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dependency_unavailable

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A required service is temporarily unavailable. Returned with HTTP 503; retrying can succeed.

PropertyValue
HTTP status503
RetryableYes
typehttps://fylane.dev/errors/dependency-unavailable

This error is transient. Retry with backoff, reusing the same idempotency key so the retry cannot double-charge you.

Example response
{
  "type": "https://fylane.dev/errors/dependency-unavailable",
  "code": "dependency_unavailable",
  "message": "A required service is temporarily unavailable.",
  "retryable": true,
  "request_id": "req_01JBQ8Z5T7WXK9MNP2RSTVA3C4",
  "docs_url": "https://fylane.dev/docs/errors/dependency-unavailable"
}

Quote the request_id if you contact support. It is the same value returned in the X-Request-Id header and it identifies this exact request in our logs.