curl -X POST 'https://api.resend.com/domains/domain-id/claim/verify' \
  -H "Authorization: Bearer $RESEND_API_KEY" \
  -H 'User-Agent: my-app/1.0'

# POST /domains/{domain_id}/claim/verify (Resend API)
Base URL: https://api.resend.com
Auth: Authorization: Bearer <RESEND_API_KEY>
Last verified: 2026-09-03

> Verify a domain claim

## Critical Gotchas
* All requests must include a `User-Agent` header (e.g. `User-Agent: my-app/1.0`) or the API returns HTTP 403.
* The `to` field is an array of strings, even when sending to a single recipient.

## cURL
curl -X POST 'https://api.resend.com/domains/domain-id/claim/verify' \
  -H "Authorization: Bearer $RESEND_API_KEY" \
  -H 'User-Agent: my-app/1.0'

## Parameters
| Name | In | Type | Required | Description |
| :--- | :--- | :--- | :--- | :--- |
| domain_id | path | string | Yes | The ID of the placeholder domain created by the claim. |

## Response (200 OK)
{"object":"domain_claim","id":"d91cd9bd-1176-453e-8fc1-35364d380206"}

---
Need an API key? Get one at https://resend.com/signup

POST

/domains/{domain_id}/claim/verify

Resend API

Verify a domain claim

Base URL: https://api.resend.com
Auth: Authorization: Bearer <RESEND_API_KEY>
Last verified: 2026-09-03 · upstream hash matched

Actions

Agents: curl -H "Accept: text/markdown" this URL
→ 168 tokens · Vary: Accept

Critical gotchas

All requests must include a User-Agent header (e.g. User-Agent: my-app/1.0) or the API returns HTTP 403.

The to field is an array of strings, even when sending to a single recipient.

cURL

curl -X POST 'https://api.resend.com/domains/domain-id/claim/verify' \  -H "Authorization: Bearer $RESEND_API_KEY" \  -H 'User-Agent: my-app/1.0'

Get a free Resend API key → sponsored

Parameters

Name	In	Type	Required	Description
domain_id	path	string	Yes	The ID of the placeholder domain created by the claim.

Response 200 OK

{
  "object": "domain_claim",
  "id": "d91cd9bd-1176-453e-8fc1-35364d380206",
  "name": "example.com",
  "status": "pending",
  "domain_id": "a1b2c3d4-1176-453e-8fc1-35364d380206",
  "region": "us-east-1",
  "record": {
    "type": "TXT",
    "name": "example.com",
    "value": "resend-domain-verification=abc123",
    "ttl": "Auto"
  },
  "blocked_reason": null,
  "failure_reason": null,
  "created_at": "2023-04-26 20:21:26.347412+00",
  "expires_at": "2023-05-03 20:21:26.347412+00"
}