api-error-handling
API Error Handling
Scope Boundaries
- Use when API error taxonomy, response schemas, and status mapping are being created or changed.
- Use proactively when failure handling is implicit, inconsistent, or incident learning needs to be codified in the contract.
- Use proactively when error payload or status-mapping diffs are detected without explicit retry/backoff policy.
- Use when retry/backoff behavior affects client correctness or operational stability.
- Do not use for transport-independent incident handling policy; use
incident-postmortemor runbook skills. - Do not use for storage internals; use
db-*.
Goal
Deliver machine-actionable error contracts that are stable across versions.
Shared API Contract (Canonical)
- Use
../api-design-rest/references/api-governance-contract.mdas the canonical contract. - Optional consistency checks (only if your repository enforces manifest validation):
python3 ../api-design-rest/scripts/validate_api_contract.py --manifest <path/to/manifest.json>
- Reuse valid API error templates in
../api-design-rest/assets/. - Use threshold derivation reference:
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