TraceFast knowledge graph
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
Answeringour last check, 2026-10-01
1 of 1checks answered this week
20 msmedian answer time
$0.05listed price per call
$0.05price it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
GET https://mpp.tracefast.xyz/api/v1/chains/1/entities/:address/attributes/at-block
| Category | Everything else |
|---|---|
| Provider host | mpp.tracefast.xyz |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 1 from 1 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-10-01 | valid payment request | 402 | $0.05 | 20 ms |
Example input (from the provider)
{
"method": "GET",
"pathParams": {
"address": "0x4838b106fce9647bdf1e7877bf73ce8b0bad5f97"
},
"queryParams": {
"block": "25000000"
},
"type": "http"
}
Promised output schema (from the provider)
{
"properties": {
"input": {
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"pathParams": {
"type": "object"
}
},
"required": [
"method"
]
}
}
}