Documentation Index
Fetch the complete documentation index at: /llms.txt
Use this file to discover all available pages before exploring further.
Error format and codes returned by the API.
code, a message, and optional details:
{
"error": {
"code": "invalid_payload",
"message": "Input does not match the decision context",
"details": ["input.email: required"]
}
}
| HTTP | code | Meaning |
|---|---|---|
| 400 | invalid_json | The body is not valid JSON. |
| 400 | invalid_payload | input is missing, or does not match the declared fields (details lists the problems); or options is invalid. |
| 401 | unauthorized | Missing, invalid or revoked API key. |
| 404 | not_found | Unknown decision slug, or unknown version number. |
| 409 | no_live_version | The decision has no published version. Publish it, or pass options.version. |
| 413 | payload_too_large | The body exceeds 128 KB. |
| 429 | quota_exceeded | The monthly quota is reached. Retry-After gives the seconds until the next period; details has used and quota. |
| 502 | engines_unavailable | Neither engine could answer. details lists each attempt with its engine and error code. The run is recorded with status error and does not count toward your quota. |
429: wait for Retry-After, or upgrade the plan; retrying sooner returns the same error.502: retry once after a few seconds. Branch Pilot already retried the primary engine and tried the fallback; a second 502 usually means an incident on both providers.5xx without a JSON body: transient; retry with exponential backoff.