overlay: 1.0.0
info:
title: API Evangelist overlay — Best Bets API
version: 1.0.0
extends: openapi/cancer-gov-best-bets-openapi.yml
x-generated: '2026-09-05'
x-method: generated
x-source: Captures only API Evangelist's own enhancements over the verbatim first-party document at https://webapis.cancer.gov/bestbets/v1/swagger/v1/swagger.json.
The original is never mutated.
actions:
- target: $.info
description: Record where this contract was harvested from and how, so a reader can re-verify it.
update:
x-apis-io-source: https://webapis.cancer.gov/bestbets/v1/swagger/v1/swagger.json
x-apis-io-harvested: '2026-09-05'
x-apis-io-method: searched
x-apis-io-provider: Cancer.gov (National Cancer Institute)
x-apis-io-api: cancer-gov
- target: $.servers
description: Resolve the server URL. The published document carries '/bestbets/v1', which names no reachable
host; https://webapis.cancer.gov/bestbets/v1 is the origin this document was actually served from
and is the production base. The original is preserved untouched in openapi/_original/.
update:
- url: https://webapis.cancer.gov/bestbets/v1
description: Production host (resolved by API Evangelist from the document's own origin)
- target: $.info
description: 'Record the runtime facts this contract does not state: authentication, rate limiting and
error shape. Full detail in authentication/, rate-limits/, errors/ and conventions/ in the cancer-gov
repo.'
update:
x-apis-io-runtime:
authentication: None — answers anonymously
rate_limit: Not published; no runtime rate-limit headers returned
idempotency: None — no Idempotency-Key on any mutating operation
reversibility: None — no reversal operation and no stated recovery window for any delete
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