API Reference · Trademark

Claim Trademark

Verify a specific USPTO number

POST/v1/applications/{application_id}/trademark/claim

Free (guest token or account)MCP:search_trademark

cURL example

cURL request

curl -X POST "https://api.verifiedinbox.ai/v1/applications/0192a5e0-1234-7000-8000-000000000001/trademark/claim" \
  -H "VI-Guest-Token: vi_guest_YOUR_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{
    "serial_or_registration_number": "string"
  }'

Parameters

Parameter	Type	Description
application_idpathrequired	string (uuid)	Application id.
VI-Environmentheader	string	`live` (default) or `test`. Used for anonymous callers and OAuth access tokens; API keys and web sessions carry their own environment.

Request body

application/json · required

Field	Type	Description
serial_or_registration_numberrequired	string	US registration (7 digits) or serial (8 digits) number.

Example request payload (TrademarkClaimRequest)

{
  "serial_or_registration_number": "string"
}

Response

200 OKCheck started.

application/json

Field	Type	Description
candidatesrequired	TrademarkRecord[]	— Nested fields (14) `filing_date` (string (date)) `image_url` (string) `mark_text` (string) `mark_type` (string) `method` (string): ai_vision \| perceptual_hash \| name_match_mock \| manual `office` (string) `owner` (string) `registration_date` (string (date)) `registration_number` (string) `serial_number` (string) `similarity` (number): 0..1 similarity to the customer's logo. `source_url` (string) `status` (string) `status_text` (string)
checked_atrequired	string (date-time) \| null	—
matchrequired	TrademarkRecord \| null	— Nested fields (14) `filing_date` (string (date)) `image_url` (string) `mark_text` (string) `mark_type` (string) `method` (string): ai_vision \| perceptual_hash \| name_match_mock \| manual `office` (string) `owner` (string) `registration_date` (string (date)) `registration_number` (string) `serial_number` (string) `similarity` (number): 0..1 similarity to the customer's logo. `source_url` (string) `status` (string) `status_text` (string)
messagerequired	string	—
providerrequired	string	—
statusrequired	string	— Allowed: `not_started`, `searching`, `match_found`, `no_match`, `needs_review`, `manually_verified`, `error`
trademark_service_emailrequired	string	—

Example 200 response (Trademark)

{
  "candidates": [
    {
      "filing_date": "2026-10-31",
      "image_url": "https://verifiedinbox.ai/verify/0192a5e0-1234-7000-8000-000000000001/domain",
      "mark_text": "string",
      "mark_type": "word",
      "method": "string",
      "office": "string",
      "owner": "string",
      "registration_date": "2026-10-31",
      "registration_number": "string",
      "serial_number": "string",
      "similarity": 1,
      "source_url": "https://verifiedinbox.ai/verify/0192a5e0-1234-7000-8000-000000000001/domain",
      "status": "registered",
      "status_text": "string"
    }
  ],
  "checked_at": "2026-10-31T12:00:00Z",
  "match": {
    "filing_date": "2026-10-31",
    "image_url": "https://verifiedinbox.ai/verify/0192a5e0-1234-7000-8000-000000000001/domain",
    "mark_text": "string",
    "mark_type": "word",
    "method": "string",
    "office": "string",
    "owner": "string",
    "registration_date": "2026-10-31",
    "registration_number": "string",
    "serial_number": "string",
    "similarity": 1,
    "source_url": "https://verifiedinbox.ai/verify/0192a5e0-1234-7000-8000-000000000001/domain",
    "status": "registered",
    "status_text": "string"
  },
  "message": "Everything checks out.",
  "provider": "string",
  "status": "not_started",
  "trademark_service_email": "string"
}

Other responses & possible errors

Expand a status code below to see the error code, description, and example error payload.

400 (invalid_request)`invalid_request` — the request is malformed.

`invalid_request` — the request is malformed.

Example 400 error response

{
  "error": {
    "code": "invalid_request",
    "message": "Please provide a valid domain name."
  }
}

401 (unauthenticated)`unauthenticated` — sign in / send a valid credential. `next_action.kind = sign_in`.

`unauthenticated` — sign in / send a valid credential. `next_action.kind = sign_in`.

Example 401 error response

{
  "error": {
    "code": "unauthenticated",
    "message": "Sign in or provide an API key to continue.",
    "next_action": {
      "kind": "sign_in",
      "title": "Sign in or create an account",
      "url": "/login"
    }
  }
}

404 (not_found)`not_found` — doesn't exist or isn't accessible to you (never 403).

`not_found` — doesn't exist or isn't accessible to you (never 403).

Example 404 error response

{
  "error": {
    "code": "not_found",
    "message": "We couldn't find that resource."
  }
}

422 (unprocessable)`unprocessable` / `blocked_provider` — understood but can't be done (plain-English reason).

`unprocessable` / `blocked_provider` — understood but can't be done (plain-English reason).

Example 422 error response

{
  "error": {
    "code": "unprocessable",
    "message": "Shared mailbox providers like gmail.com cannot be verified."
  }
}

429 (rate_limited)`rate_limited` — retry after `Retry-After` seconds (`details.retry_after_seconds`). `limit_reached` — a quota is used up; `details.limit` names it and `next_action` offers support.

`rate_limited` — retry after `Retry-After` seconds (`details.retry_after_seconds`). `limit_reached` — a quota is used up; `details.limit` names it and `next_action` offers support.

Example 429 error response

{
  "error": {
    "code": "rate_limited",
    "message": "Too many requests. Please wait a moment and try again."
  }
}

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