API PLANNING AND TEST WORKSHEET Space Office | Original planning template | 2026-10-28 Guide: https://www.spaceoffice.ai/blog/api 1. TASK AND BOUNDARY Business task / user / useful result: Read versus write operation / side effects / explicit exclusions: Current source of truth / receiving application / owner: Freshness required / what the interface cannot establish: 2. DOCUMENTED CONTRACT Provider / exact documentation URL / checked date / version: Supported plan and operation / approved base URL / environment: Method / path / query / headers / body: Required fields / types / allowed values / units / time zones: Response status / schema / absent, null and empty values: Pagination / rate limits / timeouts / version-change policy: Access mechanism / operation and object-level permissions: Never place real confidential credentials in this worksheet. 3. FICTIONAL AVAILABILITY EXAMPLE GET /v1/availability?item=projector-01&date=2026-11-12 Illustrative response map: item_id: projector-01 date: 2026-11-12 available_units: 2 as_of: 2026-10-28T09:00:00Z This is teaching notation, not a working provider endpoint. Match the returned item/date, interpret quantity and check freshness. A lookup does not reserve equipment, accept payment, or guarantee stock. Zero available units is different from missing or uninterpretable data. 4. FIELD MAP Source field | destination | meaning | transformation | validation Unknown or missing value / defined application behavior: Date/time handling / stable identifiers versus display names: Data minimization / storage and log rules: 5. PERMITTED TEST CASES Case | approved fixture/account | expected technical result | expected customer behavior | actual result | evidence | owner Normal lookup / valid empty or zero availability: Missing input / invalid date / unsupported value: Unknown or undisclosed resource: Unauthenticated request / authenticated but unauthorized object: Malformed or unexpected response / absent field: Rate limit / temporary service error / timeout / no response: Write timeout and duplicate-prevention rule, if writes are in scope: Only use approved environments, accounts, and records. Do not probe a real provider or unrelated account without authorization. 6. OPERATING DECISIONS Customer message for unavailable, stale or uncertain results: Read-on-demand / polling / supported webhook / permitted export: Retry and timeout rule / relevant provider guidance: Who owns credentials, rotation, revocation and access review: Monitoring / escalation / pause or rollback / provider changes: 7. SPACE OFFICE PACKET AND HUMAN RELEASE Lithium: backend API and full-stack implementation work. Carbon: functional, security and API test planning/evidence. Hydrogen: coordination and review against the contract and task. Human: grant access; verify data handling, permissions and results; approve deployment and consequential requests. Exact reviewed documentation, configuration and implementation version: Open questions / access gaps / reviewer / approval / date: