Guides
Guides
General guidance that applies across every Whish Money API. Start with reliability, then use the others as you build.
In this section
- Reliability & idempotency
- Errors & response format
- Testing & sandbox
- Going live
- Glossary & changelog
All guides
Reliability & Idempotency
Pick your environment, use a unique id per operation, retry safely after a timeout, and confirm the real outcome.
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Errors & response format
The shared response envelope and how to branch on status and code, including the pending case.
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Testing & sandbox
The two API hosts, how to get sandbox credentials, and where each API's test data lives.
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Going live
A step-by-step checklist to move from Sandbox to Production with callbacks and IP allowlisting in place.
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Glossary
Plain definitions for externalId, Request-id, payment modes, callbacks, and the rest.
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Changelog
What changed in the developer reference, and how each API is versioned.
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