Get currency exchange rate

Delegated Contract Mode will be deprecated soon; new partners should use Managed Custody Mode. Returns the exchange rate and spread for the given asset pair.

post

/v1/exchangeRate

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

X-Api-SignaturestringRequired

Partner's EIP-191 signature (0x-prefixed hex).

X-Api-DeadlinestringRequired

Unix seconds when the request signature expires (within 5 minutes).

X-Api-PublicKeystringOptional

Partner's signer Ethereum address.

Body

inSymbolstringRequired

Input token symbol.

outSymbolstringRequired

Output token symbol.

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 partner API (openapi.ur.app).

codeinteger · int64Required

0 on success; non-zero indicates a business rejection.

messagestringRequired

Human-readable diagnostic; empty on success.

dataanyOptional

Business payload. Shape depends on the endpoint.

post/v1/exchangeRate

POST /v1/exchangeRate HTTP/1.1
Host: openapi.ur.app
X-Api-Signature: text
X-Api-Deadline: text
Content-Type: application/json
Accept: */*
Content-Length: 36

{
  "inSymbol": "EUR",
  "outSymbol": "USD"
}

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.

{
  "code": 0,
  "message": "",
  "data": {
    "rate": "0.998",
    "exchangeSpread": "0.002"
  }
}