MERIDIAN APIAn integration
An integration
built to maintain
Typed contracts, idempotent operations, signed events, and a safe sandbox, with access granted after project review.
Integration-ready architecture
MERIDIANMERIDIAN API
REST v1
HMAC-SHA256
OpenAPI
Live operating layer
Built around the actual flow
What your business gets
API & webhooks
One contract
Payments, refunds, balances, holds, and payouts follow the same structure.
01Replay control
Idempotency-Key protects every write.
02Reliable events
Webhook attempts are signed, logged, and retried by policy.
03How it works
built to maintain
Access
An approved project receives sandbox access and a one-time secret.
Integrate
Use the typed client or the REST contract.
Validate
Test success, failure, timeout, refund, and replay.
Launch
Production access starts with project-specific methods and limits.
Operational picture
Everything that matters, in one operating layer
Status, project rules, and events stay connected. Teams can see what is happening now and which configuration was applied to every operation.
- One contract
- Replay control
- Reliable events
Current projectAPI & webhooksMERIDIAN / 01
01REST v1Captured
02HMAC-SHA256Captured
03OpenAPICaptured
Event trailLIVE
MERIDIAN PAYMENTS
Talk to our team