{"revision":"6ba549855354e504","language":"en","entry":{"id":"complete-move","kind":"endpoint","group":"manage","title":"Complete a move","method":"POST","path":"/v1/moves/{nonce}/complete","paths":[],"summary":"At the new address, signed by the move's key, with the secret: the kept version is published through the same path as a card's next version. A second call gets the same answer.","response":"201 with identity, version, url, logIndex, publishedAt, checkpoint, receipt and receiptSignature; 200 with the same and again true afterwards.","parameters":[{"name":"nonce","description":"The move's nonce: 22 characters of base64url.","in":"path","required":true}],"sample":"/v1/moves/MOVE_NONCE/complete","access":"signed","base":"directory","notes":["Moving a browser from the directory's old address to its new one (since 6 November 2026): a key lives on the origin that made it, so the new address makes a key of its own and the card adds it with a version signed at the old address, in the same browser. The version is kept until the new key comes back with the secret."],"errors":["400 invalid_json","400 invalid_nonce","400 invalid_parameter","400 invalid_signature_alg","400 invalid_timestamp","400 wrong_format","401 invalid_signature","401 missing_signature","401 stale_timestamp","403 key_banned","403 move_forbidden","404 no_move","404 not_found","409 replayed_nonce","409 version_conflict","410 move_expired","413 payload_too_large","429 rate_limited","500 internal_error","503 busy"],"related":["signed-requests"],"bodyFields":[{"name":"secret","description":"The move's 32-byte secret in base64url, which the old page handed to this one.","in":"body","required":true}],"live":false,"responseObjects":[],"errorFormat":"json","errorDetails":[{"status":400,"code":"invalid_json","description":"The body is not a JSON object, contains duplicate keys or has trailing data.","action":"Send one valid JSON object with `Content-Type` application/json.","scope":"endpoint"},{"status":400,"code":"invalid_nonce","description":"The signed-request nonce has an invalid format.","action":"Generate a fresh 16 to 128-character nonce using letters, digits, _ or -.","scope":"endpoint"},{"status":400,"code":"invalid_parameter","description":"A path, query or body field is missing, malformed or outside its accepted range.","action":"Correct the field named in `error.message` before sending again.","scope":"endpoint"},{"status":400,"code":"invalid_signature_alg","description":"`X-Signature-Alg` is unsupported.","action":"Use a supported signing algorithm and matching key/signature encoding.","scope":"endpoint"},{"status":400,"code":"invalid_timestamp","description":"The signed-request timestamp is not Unix milliseconds.","action":"Use an integer Unix timestamp in milliseconds and sign the corrected request.","scope":"endpoint"},{"status":400,"code":"wrong_format","description":"The request or the read belongs to the other log format than this server’s: a v1 record on a format 2 log, or a format 2 read on a format 1 log.","action":"Read `format` in GET /v1/log (absent means 1) and send the shape of that format.","scope":"endpoint"},{"status":401,"code":"invalid_signature","description":"The HTTP request signature does not verify.","action":"Sign the exact method, path and body bytes, without changing them afterwards.","scope":"endpoint"},{"status":401,"code":"missing_signature","description":"The request requires a device signature and its headers are missing or unreadable.","action":"Send `X-Public-Key`, `X-Signature` and the signed-request metadata. An API key does not replace a device signature.","scope":"endpoint"},{"status":401,"code":"stale_timestamp","description":"The signed timestamp is outside the accepted clock window.","action":"Compare the server Date header with your clock, then generate a fresh nonce, timestamp and signature.","scope":"endpoint"},{"status":403,"code":"key_banned","description":"The device signing key is suspended by Veil staff.","action":"Use an authorised active key or ask staff to review the restriction.","scope":"endpoint"},{"status":403,"code":"move_forbidden","description":"The move is not the caller's to complete: another key signs, the secret is not the move's, or the old page has not approved it yet. The three get the same answer.","action":"Complete a move only from the browser that started it, with the secret its approval returned.","scope":"endpoint"},{"status":404,"code":"no_move","description":"This directory has one address, so there is no browser to move.","action":"Make a card or log in at this address.","scope":"endpoint"},{"status":404,"code":"not_found","description":"The requested card, key, alias, code or resource was not found.","action":"Check the identifier. Temporary codes and previews may already have expired or been used.","scope":"endpoint"},{"status":409,"code":"replayed_nonce","description":"The signing key already used this nonce.","action":"Check whether the previous request succeeded before making a fresh signed request.","scope":"endpoint"},{"status":409,"code":"version_conflict","description":"The version cannot be published against the card’s current state.","action":"Read the latest card, reconcile the intended change and sign a new version.","scope":"endpoint"},{"status":410,"code":"move_expired","description":"The move waited more than ten minutes.","action":"Start a new move.","scope":"endpoint"},{"status":413,"code":"payload_too_large","description":"The request body exceeds this endpoint’s byte limit.","action":"Reduce the encoded body. API-key management accepts at most 8 KiB.","scope":"endpoint"},{"status":429,"code":"rate_limited","description":"An anonymous, signed-request or API-key allowance was exceeded.","action":"Wait at least `Retry-After` seconds. Share a queue and retry budget across your workers.","scope":"endpoint"},{"status":500,"code":"internal_error","description":"An unexpected server error occurred. Internal details are not returned.","action":"Retry reads with bounded backoff. Check write results before sending a new signed operation.","scope":"endpoint"},{"status":503,"code":"busy","description":"The application has reached a temporary concurrency or database limit.","action":"Wait `Retry-After` seconds and retry with bounded backoff.","scope":"endpoint"}],"sections":[{"kind":"code","language":"shell","code":"curl -fsS -X POST 'https://veil.pub/v1/moves/MOVE_NONCE/complete' \\\n  -H \"X-Public-Key: $NEW_KEY\" -H \"X-Signature: $REQUEST_SIGNATURE\" --json @complete.json"}],"responses":[{"status":201,"contentType":"application/json","description":"201 with identity, version, url, logIndex, publishedAt, checkpoint, receipt and receiptSignature; 200 with the same and again true afterwards.","fields":[{"name":"identity","type":"integer","description":"The card's number."},{"name":"version","type":"integer","description":"The version that added the key."},{"name":"logIndex","type":"integer","description":"Its entry in the log."},{"name":"receipt","type":"string","description":"The receipt the old key signed."}]}],"responseHeaders":[{"name":"Content-Type","value":"application/json","description":"Use the declared media type before choosing a parser."},{"name":"Date","value":"HTTP date","description":"Server time. Compare it with your clock when signing requests."},{"name":"Cache-Control","value":"no-store","description":"Do not persist private or temporary responses in a shared cache."},{"name":"Retry-After","value":"integer seconds, on rate_limited or busy","description":"Wait at least this long before retrying. Other 429/503 codes do not necessarily include it."}],"documentationUrl":"https://veil.pub/docs/complete-move","supportsBrowserFetch":false,"browserMode":"local-or-server"}}