Changelog

2026-10-25

OpenAPI 3.1 description at bklink.uk/docs/openapi.json, for Postman and client generators. See OpenAPI and Postman.
Partner tier. Volume limits (50,000 lookups and 5,000 new valuations a key a day), paid beyond the free allowance at $0.001 a lookup and $0.02 a site valued, charged nightly to the bklink wallet. Apply on bklink.uk/api-keys. See Partner tier.
Bulk valuation jobs for partner keys: POST /api/v1/bv/valuations with up to 1,000 sites, GET /api/v1/bv/valuations/{id} for progress. See Bulk jobs.
New errors: funds_needed (429), partner_only (403), too_many_jobs (429), not_found (404, jobs), unavailable (503, jobs).
Terms: answers may be cached up to 30 days; no resale or bulk redistribution of BV. Attribution may be any working link, including rel="nofollow".
bv.caps is plain words ("nofollow"), not the badge's · nofollow.

GET /api/v1/bv/{domain} and POST /api/v1/bv (up to 100 targets), with a free key: 1,000 lookups and 25 new valuations a key a day. Sites never valued are valued on demand.