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I’m looking for an experienced WordPress/PHP developer to build a custom payment gateway for Paid Memberships Pro integrated with NowPayments for a legal adult content website. Scope of work: Integrate NowPayments API to create crypto checkout for PMPro subscriptions Support new subscriptions and recurring payments (where supported) Handle NowPayments IPN/webhooks for: payment confirmed payment failed / expired refunds (if applicable) Sync payment events with PMPro membership status in real time Admin settings for API keys, test/live mode, and basic logs Follow PMPro gateway class structure (clean install/update) Acceptance criteria: I can enable the gateway in PMPro, enter API keys, and complete a full checkout in test mode. On payment confirmation, the user’s membership is activated immediately. On failed/expired payment, access is not granted and status is logged. Webhook events are logged for debugging. Clean, documented code delivered as a plugin. Notes: This is an adult website (18+). If you’re not comfortable with this, please don’t apply. Please share examples of previous payment gateway or PMPro/WooCommerce integrations (crypto or fiat).
N° de projet : 40215342
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103 freelances proposent en moyenne $1 092 USD pour ce travail

Hello, I hope you're doing well. I'm excited about the opportunity to develop a custom payment gateway for your adult content website using WordPress and PHP. I'll ensure seamless integration of CoinPayments with Paid Memberships Pro, supporting both new and recurring subscriptions while handling all necessary IPN/webhooks. The solution will include admin settings for API keys, test/live modes, and logging, all structured within PMPro's gateway class for clean installation and updates. To tailor the solution to your needs, could you share your preferred timeline for this project? Are there any specific features or customizations you would like to prioritize? Lastly, do you have any particular branding guidelines or design preferences for the admin settings interface? I'm looking forward to delivering a secure and efficient payment solution that enhances your website's functionality. Best regards, Azeem Amin
$1 175 USD en 7 jours
9,0
9,0

Hello, Hope you are doing well, With over my 9+ year experience in a range of web solutions, particularly in MySQL, PHP and WordPress as your job requires, I am confident that I can deliver the tailored payment gateway solution you need for your adult content site. Having worked on similar projects in the past including custom payment gateway integrations and using API like CoinPayments, I understand the nuance required to handle the specific needs common to a website in this industry. My experience with CoinPayments API and IPN/webhooks will ensure smooth operation with regards to payments confirmation, failures/expirations, and even refunds where applicable. Moreover, I'm familiar with PMPro's gateway class structure which ensures seamless integration with existing systems. My code is always clean-document and delivered as a plugin for ease of implementation. I will also provide admin settings that let you manage different aspects including test/live modes, API keys and basic logs. So, let’s get started to deliver your project impeccably on budget and on time while maintaining a smile! thank you Regards Gaurav D.
$1 125 USD en 15 jours
8,5
8,5

As an experienced and dedicated digital marketer, I understand the paramount importance of tailoring designs to match the unique needs of various clients and their intended audiences—whether it's for standard or adult websites. My extensive skills in E-commerce, Web Development (particularly WordPress), and knowledge of Cryptocurrencies make me an ideal fit for your project. Having successfully tackled similar ventures in the past, I am adept at working with payments and integrating gateways seamlessly with Content Management Systems such as Paid Memberships Pro (PMPro). My proficiency in PHP, WordPress, and Payment Gateway Integration has consistently enabled me to navigate complex tasks effectively, ensuring payment systems are robust, secure, and comply fully with both project requirements and industry standards. Beyond technical expertise, my commitment to proficiency means that you can count on clear communication and consistent updates throughout our collaboration. I'm extremely detail-oriented which ensures all user-specific post-payment actions will be executed accurately: from immediate membership activation upon successful payment to logging access denial instances. Let's embark on this project together; I assure you unequivocal satisfaction.
$1 400 USD en 40 jours
8,5
8,5

Hi, I'm Preferred freelancer and PHP/WordPress developer with 12 years of experience in SEO friendly Web development, theme development, theme customization, WooCommerce development, API integrations, and Elementor design. I've successfully worked on a variety of projects and have a proven track record of delivering high-quality, responsive, and user-friendly websites. I can assist you with: - Figma to Website - WordPress optimization - WooCommerce development - Elementor design and development - Developing WordPress/WooCommerce site from the ground up - API Integration - Custom PHP development - SEO - Website support & maintenance - Custom theme & plugin development or customization - Website design - PHP development and customization Kindly review my clients feedbacks and portfolio at https://www.freelancer.com/u/bhaveshjnariya I'm committed to delivering top-notch results on time and ensuring your project exceeds expectations. Let's connect and discuss to start right away! Best regards, Bhavesh
$800 USD en 7 jours
8,2
8,2

Hello, I’m very interested in building the custom CoinPayments gateway for Paid Memberships Pro. I’ve developed custom payment integrations for WordPress/PMPro and WooCommerce, including webhook handling, subscription logic, and secure API-based checkouts. The scope and acceptance criteria are clear, and I’m comfortable working on adult (18+) platforms. What I’ll Deliver: • Custom PMPro gateway plugin following PMPro gateway class standards • CoinPayments API integration for crypto checkout • Support for new subscriptions + recurring (where CoinPayments supports it) • Secure IPN/webhook handling for confirmed, failed, expired, and refunds • Real-time sync with membership status on payment events • Admin settings: API keys, test/live mode, logging panel • Full test-mode checkout validation before handoff • Clean, documented, install-ready plugin Why choose me? • Strong PHP/WordPress plugin development experience • Prior work with payment gateways and webhook systems • Familiar with PMPro architecture and subscription flows • Security-focused (validation, signatures, logging) • Clear communication and structured delivery I can start by reviewing your PMPro setup and CoinPayments account details, then map the gateway class and webhook flow. Happy to share relevant payment-integration examples and confirm timeline before kickoff. Best regards,
$1 125 USD en 7 jours
8,4
8,4

Hi, We’ve built multiple adult sites with WordPress, including custom payment gateways for WooCommerce and Paid Memberships Pro. We understand the unique challenges of adult sites, such as payment processing and compliance, and have successfully integrated solutions like Stripe, PayPal, and more. For your project, we can leverage our experience with PMPro and similar plugins to deliver a robust solution. We’ve also developed custom plugins for WordPress that handle webhooks and sync data with external systems. Let’s schedule a 10-minute call to discuss your project in detail and ensure I fully understand your requirements. I’m ready to start immediately and can dedicate 10 hours per day to your project. Best regards, Adil
$1 069,30 USD en 21 jours
7,3
7,3

Hello I have thoroughly reviewed your project description and am confident in my ability to assist you in completing it successfully. I believe it would be highly beneficial to delve deeper into the specifics of the job to determine the most effective way forward. I am open to scheduling an interview at your convenience, and I genuinely appreciate the chance to collaborate with you on this project. Your response is eagerly anticipated, and I'm excited about the prospect of working together. Thank you for considering my proposal. Looking forward to your prompt reply! Best regards Rekha!!!
$1 200 USD en 7 jours
7,8
7,8

Hi, I am confident that I can meet and exceed your expectations for this project. I have worked on numerous e-commerce integrations and custom payment gateway projects similar to what you are described. Most importantly, I am comfortable working on adult content sites and the associated requirements. I understand the complexity of this project: integrating CoinPayments API with Paid Memberships Pro in a way that supports new subscriptions, recurring payments, handling IPN/webhooks for different payment events promptly and syncing payment events in real time. To ensure fluidity in your users' experiences and robustness in maintaining membership integrity, I will meticulously create clean code delivered as a plugin while continuously documenting it. In addition to my technical proficiency, my dedication to client satisfaction is without comparison. I diligently address any debugging issues that arise through detailed logging of failed/expired payments or webhook events. Lets Chat
$1 200 USD en 10 jours
6,8
6,8

Hello! As per your project post, you’re looking to build a custom payment gateway integration between Paid Memberships Pro and NowPayments for your WordPress based adult membership site, enabling users to subscribe using cryptocurrency while ensuring accurate membership activation, renewals, and payment status synchronization. The goal is to deliver a secure, automated crypto subscription system that connects NowPayments events with PMPro membership management in real time. My focus will be on building your custom PMPro NowPayments gateway featuring: full NowPayments API integration for crypto checkout and subscription creation, support for recurring payments where available, webhook and IPN handling for payment confirmation, failures, expirations, and refunds, real time synchronization of payment status with PMPro membership levels, and an admin settings panel for API keys, test and live mode, and transaction logs. The gateway will follow PMPro gateway class standards ensuring clean installation, compatibility, and update safety. I specialize in WordPress and PHP development with focus on custom plugin creation, payment gateway integrations, and secure membership systems. My focus will be on delivering a reliable, well structured, and maintainable crypto payment integration tailored to your membership workflow. I am confident I can deliver a secure, fully functional NowPayments integration tailored to your Paid Memberships Pro site. Best regards, Nikita Gupta.
$1 200 USD en 22 jours
6,4
6,4

Hello, I can develop a custom CoinPayments payment gateway for Paid Memberships Pro that handles subscriptions, recurring payments, and real-time membership syncing via webhooks, fully compatible with your WordPress/PHP setup. I’m ready to start right away. Please DM to see the work samples. I will deliver a secure, well-documented plugin with admin settings, logging, and seamless activation for test and live modes. Best Wishes, Fizza Nadeem
$750 USD en 4 jours
5,7
5,7

As a highly skilled and experienced WordPress/PHP developer with an incredible array of abilities, I believe I'm the ideal fit for your project. My proficiency in handling cryptocurrency systems, including building secure, scalable smart contract platforms (in ERC-20, BEP-20, ERC-721, ERC-1155 formats) and my expertise in blockchain integration with the likes of Uniswap and PancakeSwap is a testament to my unique compatibility with your job.
$1 125 USD en 7 jours
6,0
6,0

hi, i have reviewed the details of your project. we can build your custom coinpayments gateway for paid memberships pro. we will create a standalone wordpress plugin that follows the exact pmpro gateway class structure. our code will handle the api connection to coinpayments, process new subscriptions, and manage recurring payments where the cryptocurrency supports it. we will set up the ipn webhooks to listen for payment confirmations and failures. when a payment is confirmed, our plugin will instantly activate the user's membership in pmpro. if a payment fails or expires, access will be denied and the event will be logged. we will also build a simple admin settings page in the wordpress dashboard for your api keys, test mode toggle, and payment logs. our team has specific experience building secure, custom payment integrations for membership platforms, ensuring real time status sync and clean code. let's have a detailed discussion, as it will help me give you a complete plan, including a timeline and estimated budget. i will share my portfolio in the chat. best regards, mughiraa
$1 125 USD en 7 jours
5,5
5,5

I can handle this custom integration for your WordPress site using Paid Memberships Pro and CoinPayments. I understand you need a secure, seamless crypto payment gateway that supports new and recurring subscriptions with real-time membership status updates. I'll develop a custom PMPro gateway plugin in PHP following PMPro's class structure for easy installation and updates. CoinPayments API integration will handle payments and webhooks (IPN) for confirmations, failures, expirations, and refunds. Admin settings will allow API key management, toggle test/live mode, and basic logging for debugging. My approach ensures clean, well-documented code with secure handling of payment events and smooth UX for your adult content site. You'll be able to activate the gateway, enter keys, and test checkout flows fully. Should I prepare a technical outline and timeline for this plugin development?
$750 USD en 10 jours
5,3
5,3

Hello, Thank you for reviewing my proposal. I am a senior web development and digital solutions consultant with over 12+ years of hands-on experience, helping businesses, startups, and agencies build scalable, high-performing, and user-focused digital platforms. I dont just build websites—I focus on business outcomes: performance, usability, scalability, and long-term maintainability. What I Can Help You With Website Development & Redesign eCommerce Development Frontend & Web Applications Maintenance & Ongoing Support Design & Branding AI & Automation Why Clients Choose to Work With Me 12+ years of real-world development experience Proven delivery across multiple industries Clear communication and structured workflow Focus on quality, scalability, and performance On-time delivery with no shortcuts Long-term partnership mindset I have successfully delivered hundreds of projects with strong user experience outcomes, and in many cases, helped clients achieve significant improvements in engagement and revenue. If this aligns with what youre looking for, Id be happy to discuss your project requirements and suggest the best approach. Looking forward to working together, and happy to share my portfolio links. Best regards, Suresh Sanghvi Note: Final quotation and timeframe for this project will be provided after our discussion.
$1 125 USD en 7 jours
5,4
5,4

With nearly a decade of experience in web and mobile development, I can deliver the seamless WordPress integration you need for your adult site. I have spent a significant part of my career specializing in payment gateway integrations, which includes experiences with PMPro/WooCommerce settings like crypto and fiat. This puts me at a unique advantage to handle your specific requirement. I always prioritize clean coding practices and provide detailed documentation for easy future maintenance or updates. My proficiency in MySQL and PHP, coupled with my deep understanding of WordPress, makes me an ideal fit for this task. I am well-versed in the nuances of handling real-time payments, syncing them with membership status changes, tracking failed/expired payments, and managing refunds – all aspects crucial for ensuring a flawless user-experience on your adult website. What sets me apart is not just my skillset but also my commitment to delivering effective solutions at competitive prices. Add to that my free-after-delivery support and domain-hosting offers, and you've got yourself a robust team member ready to convert your vision into reality. Thank you once again for considering my application, I look forward to discussing the project further with you.
$1 125 USD en 7 jours
5,4
5,4

Hi, With 15+ years of experience in software application development and a Master's Degree in Computer Science, I am confident that I can introduce CoinPayments successfully into your WordPress adult content site. I have previously integrated various payment gateways, including cryptocurrency gateways, into WordPress sites. One example is my work with Avaya where I helped establish payment systems for a range of their clients. Additionally, my proficiency in MySQL, PHP, and WordPress ensures clean code and adherence to project objectives. Moreover, I understand the criticality of real-time event handling in your project and uphold the importance of accurate logging systems for debugging. My skill set covers this requirement perfectly as my developments primarily target scalability and real-time data processing. Management being essential for any system is another expertise area developed over my career—I look forward to implementing that in syncing your payment events with PMPro memberships efficiently.
$1 125 USD en 30 jours
4,7
4,7

With a decade of experience in web and software development, including extensive expertise in API Integration, Cryptocurrency Payment Processing, PHP, and WordPress, my team and I at Web Crest are excellently poised to handle this project. I understand that your project requires integrating the NowPayments API into Paid Memberships Pro to create a custom payment gateway for your adult site. Drawing on my vast portfolio (some available on request), I have successfully developed countless plugins with complex features similar to the ones you need, ensuring compatibility and adherence to clean installations and updates. Furthermore, given the nature of your adult site, security is critical. Trust that I am highly familiar with creating secure payment gateways and managing sensitive data. Your site's payment requests will be implemented properly with NowPayments IPN/webhooks as required for payment events such as confirmation, failing/expired payments, and refunds. Additionally, we will ensure a real-time sync between PMPro membership statuses and payment events for seamless user experience.
$1 000 USD en 7 jours
4,8
4,8

I'm Ricardo Palma, a senior WordPress/PHP developer with experience building bridges between financial APIs and membership systems. I've built custom gateways that handle thousands of IPN events, ensuring that the subscription status in Paid Memberships Pro (PMPro) always accurately reflects reality on the gateway. Technical Strategy: Native Crypto-Payment Gateway We won't use workarounds. We'll build a PMPro Gateway Class Extension, ensuring your site remains stable through future WordPress updates. 1. CoinPayments API Integration Checkout Flow: We'll create a transaction using the CoinPayments API that generates the payment address and the exact amount in the cryptocurrency chosen by the user. Session Management: We'll implement a subtle polling system or a professional waiting page while the initial transaction is detected, improving the UX in a sector where instant gratification is key. 2. The IPN Engine (Webhooks) and Security Signature Validation: Each CoinPayments IPN notification will be validated with the "IPN Secret" to prevent fraudulent payment injection attacks. Status Mapping: status >= 100: Immediate activation of PMPro membership. status < 0: Log of failure and access denial. status == 0: Membership in "Pending" status. 3. Adult-Friendly Architecture Discreet Logging: Debug logs will record transactions and API errors without storing unnecessary sensitive data, maintaining site privacy.
$900 USD en 10 jours
4,3
4,3

With 8 years of experience in WordPress and PHP plugin development, I specialize in building secure, custom payment gateway integrations and membership systems. I have strong expertise in developing compliant, well-documented solutions for subscription-based platforms, including crypto payment workflows. Price: $1200 (Fixed Cost) — includes (custom CoinPayments gateway for PMPro, webhook/IPN handling, admin settings panel, logging system, documentation) Skills & Experience: Advanced WordPress plugin and PHP development Paid Memberships Pro custom gateway integration CoinPayments API and IPN/Webhook implementation Subscription and membership lifecycle management Secure handling of crypto transactions and callbacks Clean, modular, and update-safe plugin architecture Debugging tools, logging, and technical documentation I will deliver a fully functional, secure, and PMPro-compliant payment gateway plugin with test/live mode support, real-time membership sync, and clear documentation for long-term maintenance.
$1 200 USD en 30 jours
4,3
4,3

Hi, We can develop a custom CoinPayments payment gateway plugin for Paid Memberships Pro on your WordPress site, fully supporting crypto checkout, new subscriptions, and recurring payments where supported. The plugin will handle IPN/webhooks for payment confirmations, failures/expired payments, and refunds, syncing membership status with PMPro in real time. Admin settings will allow API key entry, test/live mode, and basic logging. We’ll deliver clean, documented code following PMPro’s gateway class structure, fully testable in sandbox mode. Examples of prior PMPro and crypto integrations are available—ready to start immediately and ensure seamless payment flow.
$800 USD en 15 jours
4,1
4,1

Brasília, Brazil
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