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Api Endpoint

TraceFast

TraceFast knowledge graph: every attribute interval an address has held, oldest first — when it became a contract, when its code was removed, when it first held state. Path address: The address, `0x`-prefixed, 40 hex characters, any case. Query limit: 1..=500, default 100. Docs: https://docs.tracefast.xyz/api/address-attribute-history.md

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Offering

Provider
mpp.tracefast.xyz
Method
GET
Offering type
Api Endpoint
Transport type
http
Category
Blockchain And Crypto
Delivery
Not provided
Pricing model
Not provided
x402 version
2

Endpoint context

URL
https://mpp.tracefast.xyz/api/v1/chains/1/entities/:address/attributes/history
MIME type
application/json
First seen
2026-10-16T01:52:13.818Z
Last seen
Tags
blockchain, Ethereum, address-intelligence, labels, entities

Website

Payment pricing

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

Payment option 1
0.025 USDC
Atomic price: 25000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Raw x402 terms
[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "25000",
    "payTo": "0x2A65491E93Ad0d484b74405401A38e2E0E5EDd7e"
  }
]

Observed health

Status
Healthy
Latest latency
124 ms
Average latency
813 ms
HTTP status
402
Last checked
Reachability
100% over 14 checks

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

Input schema

{
  "method": "GET",
  "pathParams": {
    "address": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"
  },
  "queryParams": {
    "limit": "10"
  },
  "type": "http"
}

Output schema

{
  "type": "json",
  "example": {
    "data": {
      "chainId": 1,
      "address": "0x4838b106fce9647bdf1e7877bf73ce8b0bad5f97",
      "intervals": [
        {
          "attributeId": "address_nature:account_state_ever_touched",
          "startBlock": 16976894
        }
      ],
      "coveredFamilies": [
        "address_nature"
      ],
      "truncated": true
    }
  }
}