API-first from the ground up.

AlterFlux's REST API gives you full control over payment flows, webhook events, and merchant management. Built for developers who don't like surprises.

API Endpoints

POST /v1/charges Create a new payment charge

GET /v1/charges/{id} Retrieve charge status

POST /v1/refunds Issue a full or partial refund

GET /v1/merchants/{id} Retrieve merchant account details

POST /v1/webhooks Register a webhook endpoint

GET /v1/settlements Retrieve settlement reports

Integration features

RESTful JSON API

Standard HTTP verbs, predictable response formats

Webhook events

Real-time push notifications for charge.completed, charge.failed, dispute.created, settlement.processed

Idempotency keys

Safely retry requests without risk of duplicate charges

Sandbox environment

Full test environment with simulated card responses

API versioning

Backward-compatible versioning so upgrades don't break your integration

SDKs

Node.js, Python, PHP (coming soon)

View full API documentation