KryptoPay returns structured JSON errors with stableDocumentation Index
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error codes.
Common categories
- Auth errors: missing/invalid API key
- Validation errors: invalid body fields
- State errors: expired intent
- Internal errors: temporary server failures
Handling strategy
- Do not retry invalid auth/validation requests.
- Retry network and transient server failures with backoff.
- Log request context and error code for support.
- Show user-safe messages in UI and keep internal details in logs.
Example
error remains the primary machine-readable field.
