Get latest reserve proof

Fetch an issuer's most recent proof and its verification result.

Sandbox APIhttps://sandbox-api.nuvante.io

Returns the latest proof artifact and the pass or fail result for the issuer's current reserves. Needs the viewReserves capability.

Parameters

Get latest reserve proof parameters
Field	Type	Required	Description
Authorization	string · header	Yes	Bearer sandbox API key with `reserves:read`, or an issuer tenant admin JWT.
issuerId	string (UUID) · path	Yes	The participant ID of the issuer whose proof you want.

Responses

200Latest proof artifact and result.

404No proof has been generated for this issuer yet.

Create a sandbox API key

Request

curl --request GET \
  --url 'https://sandbox-api.nuvante.io/api/v1/reserves/323e4567-e89b-42d3-a456-426614174002/proof' \
  --header 'Authorization: Bearer nvt_sandbox_your_key' \
  --header 'Accept: application/json'

Response

{
  "data": {
    "issuerId": "323e4567-e89b-42d3-a456-426614174002",
    "result": {
      "pass": true,
      "keyId": "reserve-policy-v1-sandbox"
    },
    "artifact": {
      "issuerId": "323e4567-e89b-42d3-a456-426614174002",
      "keyId": "reserve-policy-v1-sandbox",
      "generatedAt": "2026-08-19T13:00:00.000Z",
      "pass": true,
      "snapshot": {
        "reservesGbp": "1200000.0000000",
        "supplyIssued": "1000000.0000000",
        "centralBankDepositRatio": 0.4
      }
    }
  },
  "meta": {
    "commandId": "f23e4567-e89b-42d3-a456-426614174043"
  }
}