5️⃣Customer Verification

This step assumes you have successfully created a new customer record using Customer Creationstep and signed a provided challenge

Once the customer challenge has been signed and signature verified, we will proceed to customer screening and verification. Our Sandbox is currently set up to automatically approve the screening stage proceeding to verification. At this stage, you can use our Simulator to verify or reject a newly created customer.

Assuming you would like to verify the customer and proceed with next steps, you need to make an empty PATCH request to /simulator/customers/{customerId}/verify.

Verify customer

patch

Simulates customer verification success

Authorizations
Path parameters
customerIdstring · uuidRequired

Unique customer ID

Header parameters
SignaturestringRequired

HTTP message signature

Signature-InputstringRequired

HTTP message signature input

Idempotency-Keystring · uuidRequired

Idempotency key (UUID)

Responses
202
Successful operation
patch
PATCH /v1/simulator/customers/{customerId}/verify HTTP/1.1
Host: api.offblocks.xyz
Authorization: Bearer JWT
Signature: text
Signature-Input: text
Idempotency-Key: 123e4567-e89b-12d3-a456-426614174000
Accept: */*

No content

If your request was successful, you will receive an empty response with status 202 (Accepted).

The customer will be automatically activated, which you can verify by making a GET request to /customers/{customerId}.

Retrieve customer

get

Retrieves customer's details

Authorizations
Path parameters
customerIdstring · uuidRequired

Unique customer ID

Header parameters
SignaturestringRequired

HTTP message signature

Signature-InputstringRequired

HTTP message signature input

Responses
200
Successful operation
application/json
get
GET /v1/customers/{customerId} HTTP/1.1
Host: api.offblocks.xyz
Authorization: Bearer JWT
Signature: text
Signature-Input: text
Accept: */*

{
  "id": "123e4567-e89b-12d3-a456-426614174000",
  "externalId": "text",
  "chainId": "eip155:1:0xab16a96D359eC26a11e2C2b3d8f8B8942d5Bfcdb",
  "status": "initiating",
  "createdAt": "2025-06-27T09:38:06.523Z",
  "updatedAt": "2025-06-27T09:38:06.523Z"
}
{
    "chainId": "eip155:280:0x43158f45b5EbD7b1179130130DF00393928C2691",
    "createdAt": "2024-01-12T14:53:02.653457Z",
    "externalId": "27c9aa3b-f12d-43b9-8e91-5264ccc998de",
    "id": "04c5851c-4386-5bd9-9f89-08312f8aee3a",
    "status": "active",
    "updatedAt": "2024-01-12T15:05:32.166028Z"
}

Once the customer has been created and successfully verified, we can proceed to setting up accounts and cards.

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