v3

latestOpenAPI 3.0.32026-08-05363479.3 KB

Begin an indexed-domain provider claim

The returned TXT value must remain published after verification. NHS persists only its SHA-256 token hash, then automatically rechecks domain control; raw DNS answers are not retained.

post/provider/claims

Request body

domainstring required

Domain already present in the NHS index

Response

Claim, one-time DNS TXT challenge, and ownership-freshness contract

verify_endpointstring required