Verify contact

Validates the final recipient and bank payload for a bank transfer and returns contactId, purposeId, and refId. Creditor name, street, city, and country should use Latin characters.

post

/api/v1/verify-contact

Authorizations

X-Api-SignaturestringRequired

Partner Auth: EIP-191 signature by the partner's registered backend key, with X-Api-Deadline and optional X-Api-PublicKey headers. See the Signature and verify guide.

Header parameters

tokenIdstringRequired

The user's URID (NFT token id).

networkstringRequired

Network identifier: 5000 for mainnet, 5003 for testnet.

signstringRequired

Signature generated by the user's wallet key (EIP-191).

hashstringRequired

SHA3/Keccak256 hash of the original request payload.

deadlinestringRequired

Signature expiry: server timestamp plus a validity window (max 20 minutes).

Body

accountstringRequired

Recipient IBAN or account number.

bankNamestringRequired

Recipient bank name.

bicstringRequired

Recipient bank BIC.

purposeintegerRequired

Payment purpose ID from the payment purposes list.

referencestringRequired

Payment reference.

Responses

200

Response envelope. For the user API, retCode 0 means success; for the partner API, code 0 means success. Business rejections return HTTP 200 with a non-zero code.

application/json

Standard response envelope for the user API (api.ur.app).

retCodeinteger · int64Required

0 on success; non-zero indicates failure.

retMsgstringRequired

Human-readable message; error details when retCode is non-zero.

resultanyOptional

Business payload. Shape depends on the endpoint; some endpoints return it as a JSON-encoded string.

timeNowinteger · int64Optional

Server timestamp in milliseconds.

post/api/v1/verify-contact

POST /api/v1/verify-contact HTTP/1.1
Host: api.ur.app
X-Api-Signature: YOUR_API_KEY
tokenId: text
network: text
sign: text
hash: text
deadline: text
Content-Type: application/json
Accept: */*
Content-Length: 243

{
  "account": "CH93 0076 2011 6238 5295 7",
  "bankName": "Hypothekarbank Lenzburg AG",
  "bic": "HYPCH22",
  "purpose": 1,
  "reference": "Invoice 2026-001",
  "creditor": {
    "name": "Alice Doe",
    "street": "Bahnhofstrasse 1",
    "city": "Zurich",
    "zip": "8001",
    "country": "CH"
  }
}

200

Response envelope. For the user API, retCode 0 means success; for the partner API, code 0 means success. Business rejections return HTTP 200 with a non-zero code.

{
  "retCode": 0,
  "retMsg": "success",
  "result": {
    "clientPayoutRefParams": {
      "contactId": "SP",
      "purposeId": 1,
      "refId": "REF-7A6C2A8E"
    }
  },
  "timeNow": 1703123456789
}