The relainptyaments RESTful API gives you everything you need to accept, route, and reconcile payments at scale — with zero friction.
Full SDKs for JavaScript, Python, PHP, Ruby, Node.js. Test everything in a full-featured sandbox environment before going live.
Sandbox environment included. Test transactions, webhooks, and refunds with no real charges — fully isolated from production.
relainptyaments is built API-first. Every feature ships with comprehensive documentation, typed SDKs, and a sandbox so you can ship fast and ship confidently.
Built for reliability and clarity
Versioned endpoints ensure your integration never breaks on updates. Predictable HTTP error codes, structured JSON responses, and granular webhook events make debugging fast and painless.
Drop-in components, zero friction
Pre-built UI components for web and mobile that handle PCI scope for you. Integrate a checkout form, card input, or payment sheet in minutes — not days.
Test everything before going live
A fully isolated test mode mirrors production behavior exactly. Simulate card declines, partial refunds, chargeback flows, and 3DS challenges — all with dedicated test credentials.
Real-time signals for every transaction
Subscribe to granular event types — authorizations, settlements, chargebacks, and more. Automatic retries with exponential backoff and signed payloads ensure secure, reliable delivery.
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Use our idiomatic SDKs or call the REST API directly. These examples walk through creating a charge token and completing a payment — the two core steps of every relainptyaments integration.
1# Step 1: Create a charge token2curl -X POST https://api.relainptyaments.com/v1/tokens 3 -H "Authorization: Bearer sk_live_your_secret_key" 4 -H "Content-Type: application/json" 5 -d '{6 "amount": 4999,7 "currency": "USD",8 "description": "Professional Plan – Monthly",9 "metadata": {10 "customer_id": "cus_8xQn2pL",11 "order_ref": "ORD-20240601-001"12 }13 }'1415# Step 2: Process the payment16curl -X POST https://api.relainptyaments.com/v1/charges 17 -H "Authorization: Bearer sk_live_your_secret_key" 18 -H "Content-Type: application/json" 19 -d '{20 "token": "tok_1A2B3C4D5E6F",21 "amount": 4999,22 "currency": "USD",23 "capture": true,24 "customer": {25 "email": "[email protected]",26 "name": "Jane Doe"27 }28 }'SDK libraries
Official clients for Node.js, Python, PHP, Ruby, Go, and Java — all on GitHub.
Idempotency keys
Pass Idempotency-Key on every POST to safely retry without duplicating charges.
Sandbox environment
Test with real card numbers and webhook payloads at no cost in the sandbox.
Payments That Work as Hard as You Do — built for merchants who demand reliability, speed, and transparency at every transaction.