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I already run AffiliateWP on my main WordPress install and want to keep it there, yet all sales now happen on a separate Railway-hosted site. Your job is to wire the two together so AffiliateWP continues to track referrals and calculate commissions even though the checkout takes place off-site. Here is the exact flow I need: • A shopper lands on the Railway site with an affiliate referral code (or pastes a code into a coupon / promo field). • At checkout that code is validated against AffiliateWP, the order is logged through the AffiliateWP REST API, and the correct commission is awarded. • If no valid code is present, the order proceeds without affiliate attribution. Key points • Only affiliate tracking and commissions are required—no user-account syncing or data warehousing. • The trigger is the use of an affiliate code, applied specifically at checkout on Railway. • Everything must stay compatible with core AffiliateWP features (status changes, manual adjustments, payout calculations). Deliverables 1. Lightweight integration module (Node/Express middleware, serverless function, or similar) that sends order data to AffiliateWP via its REST or PHP API. 2. Secure handling of the shared secret / OAuth creds. 3. Clear setup notes so I can redeploy if my Railway app is rebuilt. 4. A quick test plan proving that referred, non-referred, and invalid-code checkouts behave as expected. I am ready to supply API keys, staging URLs, and sample orders straight away, and I’ll respond quickly to questions so we can wrap this up efficiently.
Project ID: 40400025
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Active 18 days ago
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232 freelancers are bidding on average $455 USD for this job

Hi there, I understand you want AffiliateWP on your main WordPress install to continue tracking referrals and calculating commissions when orders are completed on a separate Railway-hosted site. My approach is to build a lightweight middleware (Node/Express or a serverless function) that takes checkout data from Railway, validates the affiliate code against AffiliateWP, and posts the sale via AffiliateWP REST or PHP API. It will only handle affiliate tracking and commissions, keep core AffiliateWP features intact, and securely manage the shared secret/OAuth credentials. I’ll deliver clear setup notes so you can redeploy easily if your Railway app is rebuilt, and a concise test plan covering referred, non-referred, and invalid-code scenarios. Please share the specific AffiliateWP and WordPress versions you are running, the exact data fields you will send for each order, and your preferred authentication approach (shared secret vs OAuth). How will you handle webhooks or status changes from AffiliateWP after a payout? Do you have any constraints on hosting for the middleware (region, runtime) and expected traffic? Should I assume all orders will come with a valid affiliate code, or are there edge cases with coupon fields? What logging level do you prefer for debugging? Will you require staging URLs and test credentials upfront? Are there any existing CI/CD preferences for deployment? How should failures be surfaced in the Railway app?.
$750 USD in 13 days
9.3
9.3

Hi, hope you're doing well! This is a clean integration challenge and I'm confident I can wire it up efficiently. Here's my approach: REST API bridge to validate affiliate codes and log orders from Railway to AffiliateWP at checkout. Secure credential handling using environment variables on Railway. Graceful fallback so invalid or missing codes never block a checkout. Setup notes for easy redeployment if your Railway app is ever rebuilt. A few questions to make sure I get this right: 1. Is your Railway site built in Node.js, or a different stack, and do you already have a checkout webhook or order event I can hook into? 2. Are affiliate codes entered only via a promo field, or can they also arrive as URL query parameters that need to persist through to checkout? 3. Do you need commission status to update automatically on refunds or order cancellations, or is manual adjustment in AffiliateWP enough for now? Ready to start as soon as you share your staging URL and API keys. Looking forward to getting this wrapped up quickly! Azeem Amin
$550 USD in 7 days
9.1
9.1

With my extensive experience of over 18 years in the industry, particularly in PHP and API Development, I am more than capable of seamlessly integrating AffiliateWP with your Railway-hosted site. I clearly understand the complexity behind keeping AfffiliateWP on your main WordPress install while all sales occur on a separate site, but I have successfully tackled similar challenges in the past. My team at CnELIndia is also adept at using MySQL alongside PHP to ensure that your order data is logged through the AffiliateWP REST API accurately. Furthermore, we can guarantee a secure handling of the shared secret and OAuth creds for your peace of mind. Our ultimate goal is to provide you with a lightweight integration module that meets your exact requirements, alleviating any concerns about future rebuilds. Lastly, our professional and efficient approach ensures smooth communication and quick turnarounds. Choosing CnELIndia for this project means choosing top-notch skills, timely delivery and 100% client satisfaction.
$500 USD in 7 days
9.1
9.1

Hi, This is Elias from Miami. I checked your project description and understand you're looking to integrate AffiliateWP with your existing WordPress setup while ensuring all sales continue to function smoothly. I've worked on several similar integrations and understand the key technical challenges involved. I would approach this by ensuring seamless communication between the AffiliateWP plugin and Railway, focusing on maintaining data integrity and performance. I have a few questions to get a better understanding: Q1 – What specific functionalities do you want to achieve with the integration? Q2 – Are there any existing user roles or permissions in place that we need to consider? Q3 – Do you have any particular API endpoints or data sources in mind for this integration? I’d be happy to go through the details and suggest the best technical approach. Looking forward to hearing from you.
$500 USD in 3 days
8.2
8.2

Hi, I will build the lightweight middleware that validates affiliate codes at checkout on your Railway site and logs referrals back to AffiliateWP via its REST API — covering code validation, commission creation, and secure credential handling. One thing I will architect carefully: a server-side caching layer for affiliate code lookups so each checkout does not make a blocking round-trip to your WordPress install. I will cache valid codes with a short TTL and invalidate on changes — keeping checkout fast while ensuring commission accuracy and compatibility with AffiliateWP status changes and payout calculations. Questions: 1) Is your Railway app running Node/Express, or a different stack? 2) Do you have the AffiliateWP REST API addon already active, or are you using the built-in endpoints only? Looking forward to potentially working together. Thanks, Kamran
$270 USD in 10 days
8.5
8.5

Hi, I can create a lightweight integration module that connects your Railway-hosted site to AffiliateWP’s REST API, ensuring referrals and commissions are tracked accurately. The module would validate affiliate codes at checkout, sending order data directly to AffiliateWP while maintaining compatibility with existing features, like status changes and payout calculations. I’ll also ensure secure handling of your credentials and provide clear setup notes for future redeployment. A test plan will be included to confirm the integration meets your requirements. With over 10+ years of experience in PHP and API integrations, I’m confident I can have this wrapped up for you within 24 hours. Best, Priyanka
$500 USD in 7 days
8.4
8.4

We have deep experience with AffiliateWP and WordPress REST API integrations and can complete this within 24 hours. Our approach: Lightweight Node middleware on Railway detects affiliate code at checkout, validates via AffiliateWP REST API, logs order and awards commission. No valid code proceeds without attribution. Secure credential handling, core AffiliateWP compatible. Deliverables: integration module, setup docs, test plan for referred, non-referred and invalid flows. Ready immediately with your API keys and staging URLs. Can meet your 24hr deadline. Shall we start now?
$400 USD in 1 day
8.3
8.3

As a seasoned freelancer backed by a dedicated team of over 25 experienced developers, I've successfully completed a whopping 248 projects, similar to your current need to integrate AffiliateWP with Railway in a limited time frame of 24 hours or less. With an unwavering commitment to quality and innovation as exemplified by our consistent 4.9/5 rating on Freelancer, we're no stranger to delivering high-quality, tailored solutions that match the unique needs of our clients. Our extensive skill set in API Development, JavaScript, PHP, and WordPress combined with thorough experience handling CMS systems such as WordPress and sophisticated API integrations give us the advantage you need for this project. We understand the importance of affiliate tracking and commissions through the AffiliateWP REST API while ensuring compatibility with core features like status changes and payout calculations. Beyond providing the key deliverables you mentioned—a lightweight integration module, secure handling of shared credentials with clear setup notes, and comprehensive testing—I assure you that our partnership goes beyond just this project. When you choose Einnovention, you gain not only a turn-key solution delivered efficiently but also a supportive long-term partner dedicated to your success. Let's expedite this process: I'm ready when you are to get started on integrating AffiliateWP with Railway!
$500 USD in 7 days
7.9
7.9

Hi, I understand you want AffiliateWP to track referrals and commissions while checkout happens on your Railway app. The goal is to validate affiliate codes at checkout and send order data securely to WordPress so everything works seamlessly with AffiliateWP. I’ve built similar API integrations where external checkouts connect with WordPress systems. Recently, I worked with a small eCommerce store, a SaaS startup, and a local service business on referral tracking and API-based workflows. I can create a lightweight Node or serverless solution that handles validation, logging, and security cleanly. If you're ready, I can review your setup and get this running quickly.
$250 USD in 2 days
7.6
7.6

Hello! I understand you run AffiliateWP on WordPress and want all sales on a separate Railway-hosted site to still credit referrals and calculate commissions. I will build a lightweight middleware (Node/Express or serverless) that validates any affiliate code at Railway checkout against AffiliateWP, logs the order via AffiliateWP REST or PHP API, and keeps all core AffiliateWP features intact. The module will securely handle the shared secret or OAuth creds, have clear setup notes for redeploying if your Railway app is rebuilt, and include a concise test plan covering referred, non-referred, and invalid codes. Deliverables: 1) a slim integration module that sends order data to AffiliateWP; 2) secure credential handling; 3) clear redeploy setup notes; 4) a quick test plan showing expected results. I’ll align with your flow where a shopper arrives with a referral code, the code is validated at checkout, and commissions are awarded only when valid. I’ll keep it lightweight and compatible with core AffiliateWP features like status changes and payouts. What is your current AffiliateWP version and PHP/WordPress setup, and are there any custom fields on the Railway checkout we must map to AffiliateWP for accurate tracking? Best regards,
$750 USD in 25 days
7.1
7.1

Hi I can connect your Railway checkout with AffiliateWP on WordPress so affiliate codes entered at checkout validate correctly and commissions are logged back into AffiliateWP. The main technical challenge is keeping off-site checkout attribution compatible with AffiliateWP’s native referral, status, payout, and adjustment logic without duplicating accounts or creating a separate tracking system. I can build a lightweight Node/Express middleware or serverless function that validates codes, securely calls the AffiliateWP REST/PHP API, and sends order data only when a valid affiliate code exists. The integration will handle referred, non-referred, and invalid-code flows cleanly, with protected API credentials, clear error handling, and logs for debugging. I’ll make sure referral records include order ID, amount, affiliate ID/code, status, and metadata needed for payout reconciliation. The setup notes will cover Railway environment variables, deployment steps, API configuration, and a simple test plan. This keeps AffiliateWP as the source of truth while allowing your Railway site to process sales externally. Thanks, Hercules
$500 USD in 7 days
7.0
7.0

Hi! My name is Marjan and I'm here to offer you my services as a skilled applicant with over a decade of experience working on Freelancer.com. l believe I am the best fit candidate for this project due to my extensive experience; I would like to have a discussion to get to know that we both are on the same page. Once the scope will be locked, I will start working on it right away.
$250 USD in 7 days
6.7
6.7

As a seasoned developer with over 11+ years of experience, I am confident in my ability to successfully integrate AffiliateWP with your Railway-hosted site, all while keeping your main installation intact. My proficiency across multiple platforms including PHP, WordPress, JavaScript, and Node.js perfectly aligns with the technical requirements of this project. Drawing from my extensive knowledge in REST and PHP APIs, I can create a lightweight integration module that effectively sends order data to AffiliateWP while guaranteeing the security of shared secrets and OAuth creds—a crucial aspect when handling sensitive information. Additionally, my skillset includes effective planning and documenting processes, thus you can expect clear setup notes that are easy to deploy, even if your Railway app is rebuilt. Lastly, I understand the urgency of the project and assure you prompt delivery without compromising on quality. If chosen, I will dedicate myself fully to ensure that referred, non-referred and invalid-code checkouts behave as expected before finalizing everything with a comprehensive test plan. Thank you for considering me for this project; I look forward to bringing the combined power of AffiliateWP and Railway Emergency exactly how you envision it!
$250 USD in 2 days
6.9
6.9

Hello, I can set up a simple and reliable link between your Railway checkout and your main WordPress AffiliateWP so referrals and commissions keep working smoothly. I’ll build a lightweight integration that validates codes, logs orders through the AffiliateWP API, and stays compatible with your existing affiliate workflows. I’ll keep everything clean, secure, and easy to redeploy, with clear notes and a small test plan for each checkout scenario. Thanks, Teo
$500 USD in 3 days
6.8
6.8

Hi, AffiliateWP’s referral creation is the likely failure point when the Railway checkout doesn’t POST to your WordPress site—AffiliateWP needs a validated create_referral call tied to its order/status flow. You want: checkout-time code validation, referral creation via AffiliateWP REST/PHP API, and compatibility with status changes/manual adjustments. I’ll: - Build a small Node/Express webhook/middleware that validates the code against AffiliateWP, creates the referral (or skips), and signs requests with a stored secret - Provide secure secret storage instructions, deploy script, and a 3-case test plan (referred / non-referred / invalid) I’ll wire the middleware to your Railway checkout callbacks, log retries, and ensure no duplicate referrals. Ready to start once you share API keys and a staging URL. — Smith
$500 USD in 7 days
6.4
6.4

I will build a lightweight integration between your Railway checkout and AffiliateWP using a secure Node/Express or serverless module that validates affiliate codes, logs orders via the AffiliateWP API, and correctly assigns commissions while keeping full compatibility with existing features. I will also ensure secure credential handling, provide clear setup/redeployment notes, and deliver a simple test plan to verify referred, non-referred, and invalid-code flows. Best Regards, Muhammad
$250 USD in 1 day
6.3
6.3

Hello There!!! ★★★★ ( Urgent AffiliateWP ↔ Railway checkout integration for referral tracking + commission sync ) ★★★★ Project understanding: I understand you need to connect your Railway-hosted checkout system with AffiliateWP on WordPress so affiliate referrals are tracked correctly. The system must validate referral codes at checkout, send order data to AffiliateWP via API, and ensure commissions are calculated without breaking existing AffiliateWP functionality. Services: ⚜ AffiliateWP REST API integration with external checkout ⚜ Railway Node/Express middleware or serverless function setup ⚜ Referral code validation and checkout tracking logic ⚜ Secure API authentication (tokens / shared secrets) ⚜ Handling referred, non-referred, invalid coupon flows ⚜ Commission sync with AffiliateWP payout system ⚜ Deployment notes + redeploy-ready configuration I have experience working with WordPress APIs and external Node.js integrations where checkout events are synced across systems. My approach will be fast: first replicate checkout event flow, then connect AffiliateWP API, and finally test all referral scenarios to ensure accurate tracking and zero commission mismatch. Given the urgency, I can prioritize this immediately and deliver within 24hrs as requested. Warm Regards, Farhin B.
$256 USD in 10 days
6.6
6.6

Greetings! I specialise in WordPress API integrations and custom affiliate tracking solutions, with over 9 years of experience connecting off-site checkout flows to AffiliateWP without disrupting core plugin functionality. Here's how I can help: - Build a lightweight Node/Express middleware or serverless function on Railway that validates affiliate codes against AffiliateWP and logs confirmed orders via the REST API with the correct commission attribution - Handle all three checkout scenarios cleanly — referred, non-referred, and invalid-code — so orders always proceed correctly regardless of affiliate status - Implement secure credential handling for your shared secret and OAuth tokens, keeping sensitive keys out of your codebase - Deliver clear setup notes for redeployment and a straightforward test plan covering all three checkout scenarios so you can verify everything works before going live The integration will stay fully compatible with AffiliateWP's status changes, manual adjustments, and payout calculations — nothing custom that fights the plugin. Is your Railway checkout built on Node.js, and do you currently use AffiliateWP's REST API or would this be the first external connection to your install?
$500 USD in 7 days
6.1
6.1

Hi, I’ve reviewed your requirement to keep AffiliateWP on WordPress while pushing all checkout activity through your Railway app, including validating promo codes and sending finalized orders back into AffiliateWP. I’ve built similar off-site checkout integrations where I delivered API‑driven referral tracking without touching existing WordPress user data. I previously connected custom Node services to AffiliateWP for a SaaS workflow, ensuring accurate referral attribution and automated commission status updates. The real challenge here is maintaining referential integrity when the checkout doesn’t occur inside WordPress. Missing or mis‑timed API calls can lead to incorrect commission states, so the integration needs strict validation, shared‑secret security, and predictable order lifecycle handling. I’ll implement a lightweight Node/Express middleware that validates codes against AffiliateWP, logs orders through its REST API, and updates commissions based on the order result. I’ll secure credentials via environment variables and document redeploy steps. Before starting, I want to confirm how your Railway app currently handles coupons and whether the affiliate code will map directly to AffiliateWP’s referral tokens. A clean, self‑contained module will keep this maintainable. Thanks, John allen.
$500 USD in 7 days
5.9
5.9

Hello! I am a Florida-based senior software engineer with extensive experience in PHP, JavaScript, WordPress, and API development. I carefully read your project description about integrating AffiliateWP with Railway and I understand the importance of maintaining your current setup while ensuring seamless sales tracking. With over 15 years in software engineering, I have developed a strong skill set that aligns perfectly with your project needs. I’ve successfully integrated various APIs for e-commerce and affiliate systems in the past. For example, I built a custom affiliate management system for a small online retail store, which improved their tracking accuracy and revenue significantly. To ensure the project's success, I suggest we start by mapping out your existing AffiliateWP setup, then evaluate the necessary API connections with Railway. Following that, we can implement and test the integration phase by phase to ensure everything works smoothly. Could you please clarify the following questions to help me better understand the project? 1. Are there any specific custom functionalities you need in the integration? 2. What is your timeline for this project? I am dedicated to delivering the perfect solution tailored to your needs. Let’s connect to discuss further! -James
$500 USD in 3 days
5.8
5.8

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