REST API

In the following examples, replacehttps://lto.example.com with the domain or IP address of your node. 
Authorization
A node can be configured with an authorization token. This can be done in case the api of the node is exposed publicly. Once the token is configured the anchoring of hash on the chain requires an authorization header
Authorization: bearer <token>
post
Anchor a hash on the blockchain
https://lto.example.com/hash
Request
Response
Request
Body Parameters
hash
required
string
​
encoding
required
string
​
Response
200: OK
{
  "chainpoint": {
    "@context": "https://w3id.org/chainpoint/v2",
    "type": "ChainpointSHA256v2",
    "targetHash": "8c4b53f85243892edcbb3ccec947269f95ba3da2e84fee84fcc277b19fb68044",
    "anchors": [
      {
        "type": "LTODataTransaction",
        "sourceId": "6KVLV6zRSVR8tqCZZ9cqsbUJkP8fNDiY12CmXrGnrwTd"
      }
    ],
    "block": {
      "height": "483025"
    },
    "transaction": {
      "position": "0"
    }
  }
}
400: Bad Request
invalid body given
no hash given
invalid hash given
invalid encoding given
500: Internal Server Error
failed to anchor '[reason]'
get
Verify if a hash was anchored
https://lto.example.com/hash/:hash
Get chainpoint info of an anchored hash.
Request
Response
Request
Path Parameters
hash
required
string
anchor hash in hexadecimal format
Response
200: OK
{
  "chainpoint": {
    "@context": "https://w3id.org/chainpoint/v2",
    "type": "ChainpointSHA256v2",
    "targetHash": "8c4b53f85243892edcbb3ccec947269f95ba3da2e84fee84fcc277b19fb68044",
    "anchors": [
      {
        "type": "LTODataTransaction",
        "sourceId": "6KVLV6zRSVR8tqCZZ9cqsbUJkP8fNDiY12CmXrGnrwTd"
      }
    ],
    "block": {
      "height": "483025"
    },
    "transaction": {
      "position": "0"
    }
  }
}
404: Not Found
​
500: Internal Server Error
Failed to get transaction by hash and encoding '[reason]'
get
Verify if a hash was anchored
https://lto.example.com/hash/:hash/encoding/:encoding
Get chainpoint info of an anchored hash in given encoding.
Request
Response
Request
Path Parameters
hash
required
string
anchored hash
encoding
required
string
The encoding in which the hash is given. Options are
(hex, base58, base64)
Response
200: OK
{
  "chainpoint": {
    "@context": "https://w3id.org/chainpoint/v2",
    "type": "ChainpointSHA256v2",
    "targetHash": "8c4b53f85243892edcbb3ccec947269f95ba3da2e84fee84fcc277b19fb68044",
    "anchors": [
      {
        "type": "LTODataTransaction",
        "sourceId": "6KVLV6zRSVR8tqCZZ9cqsbUJkP8fNDiY12CmXrGnrwTd"
      }
    ],
    "block": {
      "height": "483025"
    },
    "transaction": {
      "position": "0"
    }
  }
}
400: Bad Request
invalid encoding given
404: Not Found
​
500: Internal Server Error
Failed to get transaction by hash and encoding '[reason]'
Windows
Next - Running a node
Identity node
Last updated 4 months ago
REST API

Authorization

postAnchor a hash on the blockchain

getVerify if a hash was anchored

getVerify if a hash was anchored

post
Anchor a hash on the blockchain

get
Verify if a hash was anchored

get
Verify if a hash was anchored
