FLUID Network APIThe connection layer for modern banks.

Integrate direct bank account payments with a simple, secure API

Getting Started

New to FLUID? Start here to understand authentication, environments, and make your first API call in under 5 minutes.

Complete endpoint documentation for Payment Providers and Banks APIs. Includes request/response schemas and examples.

Secure your API requests with Bearer tokens, HMAC signing, and IP whitelisting. Learn security best practices.

Receive real-time notifications for transaction events. Includes signature verification and retry logic documentation.

Step-by-step guides for common integration patterns, error handling, rate limiting, and idempotency implementation.

Error codes, status codes, country codes, currency codes, and complete response schemas for all API endpoints.