Developer Portal
Build with PLUTO
Integrate global Stellar payments into your application with ease. Choose between standard subscription-based flows or the agentic x402 pay-per-request protocol.
Integration Paths
Select the architecture that fits your project's needs.
Path 01 · Subscription
Subscription API Guide
Traditional merchant integration: register, use API keys, create payment links, and manage lifecycle/webhooks.
Security
How to verify HMAC signatures
Validate Stellar webhook requests using the exact HMAC-SHA256 scheme implemented in the backend.
Path 02 · x402
x402 Agentic Payments
Use x402 as pay-per-request pricing for charged endpoints with your merchant account and API key.