Documentation Index
Fetch the complete documentation index at: /llms.txt
Use this file to discover all available pages before exploring further.
Respond to structured API errors.
| HTTP status | Action |
|---|---|
| 400 | Correct invalid parameters or remove unsupported capabilities. |
| 401 | Check your key and credential header. |
| 403 | Check workspace access, plan, quota, or requested interface. |
| 409 | Resolve the idempotency conflict or active-job conflict. |
| 429 | Reduce request rate or concurrency; honor Retry-After. |
| 502 / 503 / 504 | Check service status; retry only within a bounded budget. |
error and code rather than relying on HTTP status alone. Record the X-Request-Id response header for support. Failed data requests consume no monthly quota.
upstream_blocked because eBay can require sign-in for those searches. A failure is not evidence of an empty market. Try a keyword search with a category filter where appropriate; do not silently substitute a broader search in an automated report.