Credit card payment gateway api jobs

Hello; I want to create a logo with a modern style. Creative designs will be taken into consideration. We are a creative and innovative architecture firm. We want creativity to be reflected in our logo. To the competition 'business card' and signage design are also included. Once you like the logo, these two designs will be requested. If I like the design, I will pay a bonus. Name of our architecture company 'SERDAR POLAT ARCHITECTURE'

...configuration in JSON array) What we need -------------------- - Standalone PHP Script where we will be able to select an item from provided JSON. - Through DHL API we will validate the provided addresses(in the form of exel or csv) if each individual address is valid - or we should be able to select the areas of over choice over google map is shown in the provided video - this funcationaly is also provided over DHL api I think. and there demographic filters can also be applied which are provided be DHL api also shown in the video Please apply only if you the the required experience. these links may help Here is the Link how it should work

I need a professional who can help me with scraping data API from a specific website or platform. I'm looking to extract specific data points or information and potentially set up a regular scraping process. Key Requirements: - Proficiency in Web Scraping: I need someone who has experience with web scraping tools and techniques. - Data Mining Skills: The ability to identify and extract the specific data points I require is crucial. - Automation Expertise: If you have experience setting up automated scraping processes, that would be a huge advantage.

My primary goal is to create a sophisticated machine translation project that focuses on Arabic to English language conversions. This is a challenging project that requires specific skill-set and in-depth knowledge in Natural Language Processing. Featu...Processing. Features I need: - Develop a multimodal machine translation model (MMT) using visuals and text to achieve accurate translation from English to Arabic and vice versa. Ideal Freelancer should have: - Proven experience in Natural Language Processing - Strong background in Machine Translation models - Ability to select and implement the most suitable Machine Translation model or API for this project, as I am open to the best possible options. If you have the necessary skills to accomplish this task, feel fr...

I need a cross-platform native mobile application for iOS and Android that will primarily be used for fund transfer, recharge, bill payment, tax accounts, and other utility services as per attachment. The app should have a user-friendly interface and must be fast, secure and reliable. Key requirements: - Develop a cross-platform native mobile application for iOS and Android. - The application should be able to facilitate fund transfers, recharge, bill payments, manage tax accounts, and provide utility services. - Ensure that the app is user-friendly, fast, secure, and reliable. I need this project completed ASAP. Please provide your portfolio and relevant experience when you submit your bid.

I require an experienced and proficient developer who is familiar with both WebRTC and Asterisk. The objective is to expand the functionality of my current Asterisk setup by integrating it with WebRTC. The specific features to be integrated are: -Voice Calling -Video Conferencing This project seeks to enhance the communication capabilities of my Asterisk setup, thus the ideal...The specific features to be integrated are: -Voice Calling -Video Conferencing This project seeks to enhance the communication capabilities of my Asterisk setup, thus the ideal candidate would have considerable experience managing such integrations in the past. Sound knowledge of VoIP, SIP, and related technologies will be greatly appreciated. An understanding of the Asterisk framework and its API will be...

we are looking for react developer with experience in APIs to check api document and implement validations and fix the API posting . 90% of the code is already implemented , only validations and posting part needs to be fixed . this willl lead to more projects in future Key Requirements: - Proficiency in React development - Experience with API integration in React - Ability to determine and implement the most suitable React APIs for the project's needs

As an investor seeking to streamline my algorithmic trading operations, I am in need of an able Python Developer who specializes in automation tasks. This role requires ...investor seeking to streamline my algorithmic trading operations, I am in need of an able Python Developer who specializes in automation tasks. This role requires an individual with: - Mastery of Python and experience with automation tasks, most especially within the investment and stock market scenario. - Skilled and knowledgeable in stock market terminology with experience in use of Websockets for API integration Suitable candidates are expected to have good communication skills to effectively understand and implement required changes in a timely fashion. Help me maximize my trading potential with your Python ...

I need a robust and efficient platform that will help in managing i...respective stakeholders. - Integration with a CRM: A centralized place to manage our relationships. - Integration with payment gateway: Financial transactions can be done within the same platform. - Email marketing integration: To send, track, and manage email marketing campaigns. - Programme management: To integrate programme operations seamlessly. - Data collection, analysis and reporting tools: To gain meaningful insights from data. Ideal freelancers for this project should have extensive experience in portal development, knowledge about incubator operations, excellent integration skills and proficiency in data analysis and reporting. Experience in CRM, Payment gateway and Email mar...

...business card and social media posts, specifically for Instagram. The main deliverables for this project include: - A standout business card design, suited for a corporate environment - Creative and engaging social media post designs, specifically for Instagram Key requirements and expectations: - For the business card: a contemporary, professional design that reflects a corporate image. The card should be visually appealing and easy to read, with a focus on key contact details. - For the social media post designs: you should be able to create customized, visually striking posts for Instagram. These designs should align with our brand identity, be engaging to the target audience, and encourage interaction. Experience and skills required: - A strong portf...

...Optimization: A solid knowledge of SEO best practices, particularly in an e-commerce context, will be very beneficial. - Payment Gateway Integration: The site will require secure payment gateway integration to facilitate transactions. - Responsive Design: Ensuring the site is fully responsive across devices is a must. - Customizable Themes: The ability to work with and possibly customize existing themes is preferred. Ideal Skills and Experience: - Proven experience in e-commerce WordPress site development is a must. - Strong understanding of e-commerce functionalities and best practices. - A track record of creating SEO-friendly WordPress sites. - Previous experience with integrating payment gateways into WordPress. - A portfolio demonstrating past...

I'm looking for a skilled developer who can create a trading bot that can execute trades on TradingView. The bot should support scalping trading strategies. ...developer who can create a trading bot that can execute trades on TradingView. The bot should support scalping trading strategies. Key Requirements: - The bot should be able to connect to TradingView and execute trades. - The user should be able to manually enter trade details. Ideal Skills and Experience: - Strong experience in developing trading bots. - Proficiency in working with TradingView API. - Knowledge of scalping trading strategies. Please include any relevant experience you have in developing trading bots, especially those that connect to TradingView. A portfolio or examples of previous work would be hig...

I'm in need of a skilled developer to create an online store using WordPress. The store will specifically cater to digital products, hence, appropriate plugins and features will need to be implemented. Ke...store using WordPress. The store will specifically cater to digital products, hence, appropriate plugins and features will need to be implemented. Key Project Requirements: - Implement a shopping cart system - Integrate a payment gateway: Stripe along with p24, blik, sofort, skrill, giro, and ideal - The store will exclusively sell digital products The ideal candidate for this project should be adept in WordPress, have previous experience in building online stores, particularly for digital products, and have proven experience in integrating Stripe and other speci...

...version should resolve these. Fix Bugs and Security Issues: Identify and fix any existing bugs and security vulnerabilities in the current project. Ensure the new version adheres to the latest security standards. API Integration: Connect the backend with the frontend using APIs. The APIs should be well-documented, secure, and efficient, allowing seamless communication between the backend and frontend. Requirements: Proven experience with CodeIgniter 3 and 4. Strong knowledge of SQL query optimization. Expertise in identifying and fixing bugs and security issues. Experience with API development and integration. Ability to work with the existing database structure without alterations. Good communication skills and ability to provide regular updates. Deliverables: Fully ...

I am in search of a skilled website developer who can build a website for my Non-Governmental Organization (NGO). Primary Purposes: - Inform potential volunteers and dono...- Act as a platform to attract and engage new volunteers and donors. Specifications: - A Contact Form provision for visitors to reach us easily. - Blog/News section to keep the audience updated on our activities. - A secure and user-friendly Donation/Payment Gateway for effortless transactions. Design Preferences: - A design that is clean and minimalist. Ideal Skills: - Proficiency in web development and creating user-friendly interfaces. - Earlier experience with NGO websites would be a plus. - Knowledge in setting up secure online payment systems. - Exceptional creativity in creating minimali...

I need a website developed for my e-commerce business. This e-commerce website will be selling less than 50 products. The payment methods I'd like to integrate are UPI, Debit Card and Credit Card. Key requirements include: - Development of an e-commerce website - Integration of UPI, Debit Card and Credit Card payment methods - Ensuring the website is user-friendly and visually appealing Ideal skills for this project are: - Proficiency in e-commerce website development - Experience in integrating various payment gateways - Strong design skills to make the website visually appealing to potential customers

2 api only to pass value. Work with ftp

...should provide a seamless real-time tracking feature to ensure customers can monitor their shipments throughout the entire process. - In-App Payment: A secure payment gateway integrated into the app is essential for facilitating smooth and hassle-free transactions for our users. - Driver Rating System: I want a driver rating system that allows customers to provide feedback on the service they received, helping us maintain high-quality services. Ideal skills and experience: - Proficiency in mobile app development for both iOS and Android. - Prior experience in creating logistics or freight-related apps is a plus. - Ability to integrate secure payment gateways and real-time tracking features. - Understanding of user experience and interface design to create an...

... Perform testing and debugging to ensure smooth functionality of the plugin. Document the development process and create user guides. Collaborate with the internal team. Requirements: Proven experience in developing plugins and interfaces for e-commerce platforms. Strong knowledge of programming languages and technologies required for the listed platforms. Experience with API integrations and web services. Familiarity with best practices regarding security and performance optimization in e-commerce. Good communication skills and the ability to clearly document technical matters. Independent and reliable work style with a focus on quality and meeting deadlines. What We Offer: An exciting project with the opportunity to develop innovative s...

...Development of an onboarding flow designed to maximize user retention and conversion. - Integration of a paywall using the Firebase Stripe Extension payment gateway for iOS, Android and Web platforms. - Record Stripe events in Firestore. - Use BLoC pattern. - Account management screen where users can view/cancel subscription with feedback form - A high-quality, intuitive, and bug-free final product that meets the standards of major app stores. Ideal Skills and Experience: - Proven experience in app development with a focus on sales and service. - Expertise in cross-platform development, particularly for iOS and Android. - Experience with integrating payment gateways, preferably Stripe. - UI/UX design skills to create an engaging onboarding flow. - Attention to deta...

I'm in need of a skilled website developer to create an ecommerce site. The website will be focused on selling physical products and will ha...create an ecommerce site. The website will be focused on selling physical products and will have less than 5 product categories. Key Requirements: - The site should incorporate a clean and user-friendly interface to enhance customer experience. - I require the integration of payment gateways for credit card and bank transfer. Ideal Skills and Experience: - Proven experience in developing ecommerce websites, particularly those focused on physical products. - Proficiency in integrating payment gateways, especially for credit card and bank transfer. - Strong understanding of user interface design to crea...

...experience in Wordpress (Elementor) to create a fun and playful mobile app game website. The website will consist of 3 pages and will be designed to be fun and playful in style. Mobile application is already live and in production so the visual styling will have to be matched. Required: all Lighthouse metrics above 90 - **Pages**: Homepage - current active games carousel (fetch via API) - leaderboards (fetch via API) - prize winners with status carousel (shipped, waiting for contact...) - download section - about section - testimonial section - CTA section Terms of service - textual content Privacy policy - textual content The ideal candidate for this project should be: - Proficient in Wordpress (Elementor) to create a dynamic and user-friendly website. - A good under...

Project Description: We are seeking a talented graphic designer to create an 8-page folded brochure and an offer card for our company. The final deliverables should be vibrant, engaging, and align with our brand identity, enhancing our communication and marketing efforts. Scope of Work: Brochure Design Type: 8-page folded brochure Size: 10 cm width x 16 cm height per page Reference: Attached Reference Content: Provided upon project commencement Style: To be in line with our existing brand guidelines (bright, engaging, informative) Offer on Card Design Size: 10.5 cm width x 14.8 cm height Reference: Reference in attached Photo as well Details to Include: Name, position, contact information, and logo Deliverables: Final designs in PDF format Open files in Adobe Illustrator...

I'm seeking an experienced developer who can integrate the TradingView API into a cross-platform mobile app. The app will essentially offer real-time market data and advanced charting features. Key Requirements: - Integration of TradingView API: The core focus of this project is to provide users with access to real-time market data and the ability to perform advanced technical analysis using TradingView's robust charting tools. - We will provide the datafeed with indicators required via web socket , the app will use this data and display a real time live chart on the app. You only need to do this chart on the app. No other funtions required. - Cross-Platform Development: You should have experience in developing cross-platform applications that run smoothly on both...

Hello! I need someone who is an expert in web programming with PHP to translate any kind of PDF for free in using PHP. This PDF must not lose its quality. It must remain intact and it must preserve the ORC format, style and all. I want the translation to be exactly like the one from onlinedoctranslator.com. I know you're going to tell me that the Google Translate api isn't free, but you can use this library (link removed) . Then it has to choose the number of pages in the PDF. Even if the PDF is 100 pages or more, it must be able to translate it. It must support encrypted PDFs and PDFs protected by passwords. I will use your code in my site. You can visit it and you'll see that the PDF translation is missing. I've told you everything and I hope you'll give ...

...app-oriented, with main categories dedicated to specific apps, and subcategories under each app to organize products effectively. - **Vendor Dashboards**: Critical for vendors to manage their products, sales, discounts, wallet, delivery options, and other details effectively.. - **API Integration**: I need a sophisticated API to allow for seamless integration with different systems and services, allowing for extended functionality and data exchange. Payment integration with all major payments gateway, also 2 local payments gateway WhatsApp Integration: WhatsApp Invoicing: Send invoices and order updates via WhatsApp to keep customers informed. Customer Enquiries: Enable customers to make inquiries through WhatsApp, enhancing communication and support...

...being made. So long as it functions in a similar way. If not familiar you can view telethon api - **Expected Behavior**: The scraping script is supposed to collect data that matches specific regex patterns. This means that it's not just supposed to collect all messages or only new messages since the last run, but rather those that align with the predefined regex matches. It should give me the option to select which groups get scraped, how far back it crawls back and download/read/regex match/save data. I'm looking for a Python guy who can help me rectify these problems and ensure the script runs efficiently. Experience with Telegram/telethon API, regex, and web scraping is crucial for this task. So if you're a Python developer with

I'm in need of a multi-faceted graphic designer for various design tasks, including logo creation, flyer design, manual design, business card design, and more. Primarily, I need a manual designed for my company's policies. Key Requirements: - Experience in designing logos, flyers, business cards, and manuals - Ability to translate company policies into engaging and visually appealing manuals - Knowledge of various graphic design software and tools - Strong project management skills to handle multiple design tasks Your expertise in manual design is crucial as the primary goal is to translate our company's policies into a comprehensive, visually appealing manual. This requires the ability to present complex information in a clear and engaging manner. Please provide...

I'm looking to get a taxi service website developed. Th...facilitate ride booking. Customers should be able to make bookings through the website. Key Features: - **Fare Calculator**: It is essential that the website includes a fare calculator. This ensures that customers are aware of the costs of their rides before booking. - **Online Payment**: The primary payment method would be online. It is crucial that the website is integrated with a reliable online payment solution to process these transactions smoothly. Ideal Skills: - Web Development - UI/UX Design - Payment Gateway Integration - Experience with Booking Systems - Experience with Transportation Industry Websites Please let me know if you require any further details. I'm open to sugges...

I'm in search of a mobile application developer to create an engaging and innovative app designed for young kids...for young kids and families. Key Requirements: - **Purpose**: The primary goal of the app is to entertain preschoolers (0-5 years) with engaging content. - **Features**: The app should have colorful visuals to captivate the young audience. Skills and Experience: - Prior experience in developing entertainment apps for children will be highly valued. - Familiarity with integrating ChatGPT REST API is a plus, though not mandatory. - Strong capabilities in creating visually appealing and engaging user interfaces. If you have a creative edge, experience in child-friendly app development, and are ready to develop a delightful app for kids, I'd love to discuss th...

Sorry but I’m looking for a COMPANY LOGO FOR MY CREDIT REPAIR ??‍? COMPANY CALLED HTX CREDIT PLUG ? Preferably A BLACK & WHITE LOGO THAT STANDS OUT

...a custom payment gateway for my platform. This gateway will be integrated using an API and I already have the API documentation for this. Key requirements: - Custom Payment Gateway Development: This project involves developing a brand new payment gateway from scratch. - API Integration: The developed gateway needs to be seamlessly integrated into the platform using the provided API documentation. Ideal skills and experience: - Strong background in payment gateway development and integration. - Experience with API integration, particularly for payment systems. - Familiarity with creating secure and scalable payment solutions. - Ability to understand and work with e...

I am looking for an experienced Android app developer to create a cutting-edge e-commerce platform. The app needs to support multiple languages and integrate the Google Pay payment gateway. The ideal candidate for this project should have: - Proficiency in Android development and a solid portfolio showcasing similar e-commerce app projects. - Experience with integrating payment gateways, preferably Google Pay. - Ability to implement multi-language support within the app. - Excellent communication skills and a proactive work approach. If you have the skills and experience required, please submit your proposal, including your relevant past work and an estimated timeline for the completion of this project.

I'm on a journey to create a full tarot deck consisting of both Major and M...envision the art to be distinctly illustrative, rich in detail, and creatively showcasing each tarot's unique symbolism. - Design Requirements: I have comprehensive notes for each card to guide your design process, ensuring the resulting artwork aligns with the narrative and energy I envision. - Skills and Experience: Ideally, I am seeking a seasoned graphic designer with prior experience or a strong interest in tarot. Familiarity with symbolic representation and the ability to intertwine it coherently within the art is imperative. This project demands not only artistic talent but also a keen understanding of tarot card symbolism. If you possess these skills and have a love for tarot, pl...

I am in need of a skilled developer to build me an Android app specifically for tourism and car booking services. Key Features Required: - The app must have a Payment Gateway feature incorporated into it for efficient and user-friendly transactions. Ideal Skills & Experience: - Proven experience in Android app development - Previous work with tourism and/or car booking apps is a plus - Knowledge about implementing Payment Gateway features for app transactions will be highly valued - Demonstrable capacity to deliver quality work on time. The final deliverable should be a fully-functioning Android app as per the described specifications. I value open communication and expect frequent progress updates. Looking forward to seeing your bids.

...User-submitted items with high-resolution images, detailed descriptions, prices, and availability Categories and subcategories for easy navigation Advanced search and filtering options (by category, price range, condition, seller rating, etc.) E-commerce Functionality: Secure shopping cart system Smooth checkout process with multiple payment options (credit cards, PayPal, etc.) Order tracking and history Payment Gateway Integration: Integration with major payment processors like Stripe or PayPal Secure transaction handling Rating and Reviews: System for buyers to rate and review sellers and products Display of ratings and reviews on product and seller profiles Messaging System: Direct messaging between buyers and sellers for negotiation and queries...

Just create 2 api to pass value. WOrk with ftp only. Simple work

I am currently experiencing payment processing errors with my PayPal plugin. All of my sales are automatically cancelled and I am not being notified. -Ideal Skills/ Experience: * Proven experience in troubleshooting PayPal plugin problems * Comprehensive understanding of payment processing * Ability to identify and solve connection issues. Let's collaborate to sort this out promptly to resume normal business operations.

I'm seeking an experienced software developer to create an accounting applic...developer to create an accounting application that is compatible with the Windows operating system. It's a high priority that this application seamlessly integrates with Zoho Books. Key Features: - Integration with Zoho Books Required Skills and Experience: - Software development - Familiarity with accounting software - Knowledge in developing Windows applications - Experience working with Zoho Books API would be a significant advantage Timeline: - The project needs to be completed within a month. This role is perfect for a problem solver who has an eye for detail and understands the importance of creating user-friendly applications. If you think this project aligns with your skills, I'...

...an experienced game developer who can bring our design concepts to life, creating a seamless and engaging front end for both web and mobile platforms. Must be developed using Phaser or Construct. Then I have this basic UI that also needs to be connected. We have an API/Backend developed already. The developer needs to be able to connect it. **Project Scope:** - Develop the front-end architecture for our platform, optimized for both web and mobile devices. - Ensure integration of visual content with live API connections for real-time data visualization. - Collaborate closely with our UX/UI designers to implement the visual and interaction design. - Conduct thorough testing across different platforms to ensure functionality and responsiveness. - Maintain reg...

I am in need of a versatile developer who can build an integrated messaging system that ties together Facebook Messenger, Slack, and Instagram. The key features of this project include: - Ability to both manually and automatically respond to the received messages. - The automatic response should apply only to text messages. Desired Skills & Experience: - Extensive experience in API integration. - Deep understanding of Facebook Messenger, Instagram and Slack platforms. - Experience in designing systems that handle both automatic and manual responses to messages. - Familiarity with algorithms to effectively auto-reply text messages.

I am in need of a skilled developer who can convert my WordPress website into a React application. The website is fintech-related and currently serves as a headless WordPress site. I would ...serves as a headless WordPress site. I would like to transform it into a fully functional, responsive React web application. The end goal is to create a fast and dynamic user experience for my visitors. Key requirements: - Conversion of the existing WordPress site into a React application. - Payment gateway integration (specifically Paystack) - Ensuring the new React site is fully responsive across devices. The ideal candidate should have experience in: - Front-end development with React - Integrating payment gateways, specifically Paystack - Experience working with headless Wo...

...for entries) -> click on item to display details - events that are currently happening (exhibitions) -> click on item to display details - plus the ability to forward an event to a friend - plus the ability to follow an event - the app is currently purchased on a one-off basis. TO BE Mandatory criteria – no final payment until these are met 1. Enable SUBSCRIPTION payment for the app from the apple store – must facilitate the option to enable users to subscribe to a quarterly payment model. This is a must. 2. Error trapping - must be able to fail a call or function without crashing the app 3. All dates are in dd/mm/yyyy 4. The Search function must work across all prizes not just those currently calling 5. The code must be deposited in our github 6....

I'm seeking a knowledgeable app developer capable of creating an e-commerce app compatible with both iOS and Android platforms. The integral functionality includes a user-friendly payment gateway, user profiles, and push notifications. Skills and Experience: * Proficient in iOS and Android app development * Past experience in creating e-commerce applications * Familiar with integrating payment gateways * Ability to incorporate user profile features * Knowledge on implementing push notifications effectively. Your proposal should showcase your previous work on similar applications and outline your approach to this project.

I'm seeking a skilled live streamer experienced in gaming, specifically card games, for the Kwai platform. Key Requirements: - Proficient in live streaming on Kwai - Demonstrated experience in gaming, especially card games - Able to engage an audience and keep them entertained

I'm looking for a developer who can help me set up an OTP campaign using Twilio specifically for user verification through SMS. Key Requirements: - Utilize Twilio's API for OTP: The main focus of this project is to create a seamless OTP system for user verification. - SMS Integration: The OTP verification process must be conducted via SMS. - Previous Experience: It would be beneficial if you have prior experience with similar Twilio OTP campaigns. Please note that this project is strictly for user verification, not for transaction authentication or password reset. Your experience in this specific area would be greatly beneficial.

I'm in need of an experienced developer to help with fetching and displaying user transaction details from WordPress to a React front-end in a headless WordPress project. Key tasks include: - Fetching user credit and debit details from WordPress: This data should be gathered and displayed in a user-friendly interface on our React front-end. As mentioned, we're looking to do this as soon as possible. The ideal candidate should have: - Strong experience in WordPress: knowledge of how to extract specific user data. - Proficient in React: able to work on a headless WordPress setup. - Good communication skills: as this project needs to be completed quickly. Please get in touch if you have the required experience and availability.

We are seeking a skilled developer or development team to create a comprehensive web crawler system. This system should scrape, structure, and update information from web pages, handle large projects, and be accessible via a powerful API. The system should offer user-friendly features for both individuals and businesses and include flexible user management for both customers and employees. Project Requirements 1. Web Crawling and Data Extraction -Develop a system capable of scraping entire websites and extracting data from each page. -The system should divide the scraped information into sections to facilitate easy reading and understanding. -For e-commerce sites, the system should identify and structure the following information: --Product category (including breadcrumbs for hiera...

I'm in desperate need of a talented technical expert to help me create a seamless P2P money transfer app for both iOS and Android platforms. Key features this app needs to include are: - Person-to-person money transfers, similar to Venmo or Cash App - Integration with a secure and efficient payment gateway Ideal candidate should have: - Extensive experience in iOS and Android development - Prior experience with e-commerce or payment applications - A strong understanding of payment gateway integration Let's connect if you have the requisite skills and experience to deliver this project successfully. I am excited to hear your ideas and approaches.

I need a minimal working example of PPPOS in IDF framework v4.4.7. The requeriments are: - Minimal example with SIM800L modem. - Create and configure esp_netif for PPP (create the driver, and task to receive data from modem and send to esp_netif) - Configure the modem via AT commands (PPP conection ATD*99#) - After succesfull connection, make a http request for testing. The most import...Minimal example with SIM800L modem. - Create and configure esp_netif for PPP (create the driver, and task to receive data from modem and send to esp_netif) - Configure the modem via AT commands (PPP conection ATD*99#) - After succesfull connection, make a http request for testing. The most important thing: DO NOT USE esp_modem component. The example must do not use any component, simply the esp_netif ...