Documentation

Stamp File

Stamp a file hash on the Minima blockchain.

AttributeDetails
MethodPOST
DescriptionThis endpoint submits a hash or returns verification data when the hash already exists on-chain. Send the hash as JSON in the body.
Endpointhttps://integritas.technology/core/v2/timestamp/post

Request Headers

HeaderValueDescription
Content-Typeapplication/jsonSpecifies the content type as JSON
x-api-keyyour-api-keyAdd your API-key from your profile at https://integritas.technology/
x-request-idyour-choiceAdd a request id to trace every step of the process

Request Body

Request TypeContent-TypeBody TypeKeysDescription
Raw dataapplication/jsonJSONhashInput hash of data

Example

{
  "hash": "a1b2c3d4e5f67890abcdef1234567890abcdef1234567890abcdef1234567891"
}

Request Examples

curl -X POST https://integritas.minima.global/core/v2/timestamp/post \
  -H "Content-Type: application/json" \
  -H "x-api-key: your-api-key" \
  -H "x-request-id: your-choice" \
  -d '{"hash":"a1b2c3d4e5f67890abcdef1234567890abcdef1234567890abcdef1234567891"}'

API Demo

Try the endpoint with your own API key and hash. The request is sent directly to the API, and the response is displayed below.

Your API key is only used for this request and is not stored.

Get your API key from integritas.technology

Add a request ID to trace every step of the process

Enter the hash to submit or check


API Response

When the hash is anchored successfully, the response includes the Minima node send command and parameters.

Example Response

{
  "service": "CORE_API",
  "apiVersion": 2,
  "requestId": "POSTMAN",
  "status": "success",
  "statusCode": 200,
  "message": "Hash anchored successfully.",
  "timestamp": "2026-01-29T15:56:34.295Z",
  "data": {
    "service": "MINIMA_NODE",
    "command": "send",
    "params": {
      "amount": "1e-22",
      "address": "0x29f774d99ae3e3494ee4a69f3a11a8248362506a9b9bc526f8c98ab6deca68f5",
      "state": {
        "99": "0xa1b2c3d4e5f67890abcdef5234567890abcdef1234567890abcdef1234567891"
      }
    },
    "status": true
  }
}

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