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The OpenAPI document defines api_key security for /v1/request-money. You authenticate by sending your integrator secret on every protected request.

API key

Example

Error responses

Strip or redact X-API-Key values from application logs, APM traces, and support bundles.
Your host may terminate TLS, enforce IP allowlists, or require mutual TLS in front of this service. Treat this page as the contract for the application process; follow any additional controls your integration contact documents.
Plan a key rotation with your integration contact so you can switch REQUEST_API_KEY and client headers without downtime, if your deployment supports overlapping keys.