Api Endpoint

AOTrust Time Attestation

Signed time attestation: timestamp bound to a payload hash, anchored in the cumulative Merkle log

Open interactive test console

Offering

Provider
api.aotrust.link
Method
POST
Offering type
Api Endpoint
Transport type
http
Category
Other
Delivery
Not provided
Pricing model
Not provided
x402 version
2

Endpoint context

URL
https://api.aotrust.link/v1/attest/time
MIME type
application/json
First seen
2026-10-23T22:46:46.158Z
Last seen
Tags
timestamp, attestation, notarization, merkle-proof

Payment pricing

x402 payment terms are the authoritative price for calling this endpoint.

Payment option 1
0.002 USDC
Atomic price: 2000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Raw x402 terms
[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "2000",
    "payTo": "0x97E9af6B4d8a49f509DA99afaB954429Ab8Cc800"
  }
]

Observed health

Status
Healthy
Latest latency
361 ms
Average latency
567 ms
HTTP status
204
Last checked
Reachability
100% over 8 checks

Latency is measured to the first response headers. A reachable result does not verify response accuracy or merchant identity.

Input schema

{
  "body": {
    "payload_hash": "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
  },
  "type": "http",
  "method": "POST",
  "bodyType": "json"
}

Output schema

{
  "type": "object",
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "required": [
    "input"
  ],
  "properties": {
    "input": {
      "type": "object",
      "required": [
        "type",
        "method",
        "bodyType",
        "body"
      ],
      "properties": {
        "body": {
          "type": "object",
          "required": [
            "payload_hash"
          ],
          "properties": {
            "payload_hash": {
              "type": "string",
              "pattern": "^[0-9a-f]{64}$",
              "description": "sha256 hex of the payload"
            }
          },
          "additionalProperties": true
        },
        "type": {
          "type": "string",
          "const": "http"
        },
        "method": {
          "enum": [
            "POST",
            "PUT",
            "PATCH"
          ],
          "type": "string"
        },
        "bodyType": {
          "enum": [
            "json",
            "form-data",
            "text"
          ],
          "type": "string"
        }
      },
      "additionalProperties": false
    },
    "output": {
      "type": "object",
      "required": [
        "type"
      ],
      "properties": {
        "type": {
          "type": "string"
        },
        "example": {
          "type": "object",
          "properties": {
            "id": {
              "type": "integer"
            },
            "ts": {
              "type": "integer"
            },
            "kid": {
              "type": "string"
            },
            "leaf": {
              "type": "string"
            },
            "anchor": {
              "type": "object"
            },
            "verify": {
              "type": "object"
            },
            "sig_b64": {
              "type": "string"
            },
            "log_index": {
              "type": "integer"
            },
            "payload_hash": {
              "type": "string"
            }
          }
        }
      }
    }
  }
}