TraceFast
TraceFast knowledge graph: the attributes an address held at the end of one block, each with the window it held for. Path address: The address, `0x`-prefixed, 40 hex characters, any case. Query block: The block to answer about. Docs: https://docs.tracefast.xyz/api/address-attributes-at-block.md
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/at-block- MIME type
- application/json
- First seen
- 2026-10-16T01:52:13.818Z
- Last seen
- Tags
- blockchain, Ethereum, address-intelligence, labels, entities
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
- 47 ms
- Average latency
- 422 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": {
"block": "25000000"
},
"type": "http"
}Output schema
{
"type": "json",
"example": {
"data": {
"chainId": 1,
"address": "0x4838b106fce9647bdf1e7877bf73ce8b0bad5f97",
"block": 25000000,
"coverageBlock": 26096255,
"addressKnown": true,
"intervals": [
{
"attributeId": "address_nature:account_state_ever_touched",
"startBlock": 16976894
}
],
"coveredFamilies": [
"address_nature"
]
}
}
}