TraceFast live Ethereum data
TraceFast live Ethereum data: balanceOf(address) for one token at the end of a block, read from contract storage. A token outside the covered set is refused (422), never a fake zero. Path address and token: 0x-prefixed, 40 hex. Query block: integer, state at the end of this block, absent = current. Docs: https://docs.tracefast.xyz/api/address-token-balance.md
Answeringour last check, 2026-09-24
1 of 1checks answered this week
352 msmedian answer time
$0.02listed price per call
$0.02price 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/tokens/:token/balance
| Category | Market data |
|---|---|
| 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 |
|---|---|---|---|---|
| 2026-09-24 | valid payment request | 402 | $0.02 | 352 ms |
Example input (from the provider)
{
"method": "GET",
"pathParams": {
"address": "0xf977814e90da44bfa03b6295a0616a897441acec",
"token": "0xdac17f958d2ee523a2206206994597c13d831ec7"
},
"queryParams": {},
"type": "http"
}
Promised output schema (from the provider)
{
"properties": {
"input": {
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"pathParams": {
"type": "object"
}
},
"required": [
"method"
]
}
}
}