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Live · checked Oct 12, 2026x402Crypto & web3Community listed · unclaimed

mpp.tracefast.xyz

TraceFast knowledge graph: what an Ethereum address is, as proven facts — wallet or contract, proxy and upgradeable or not, a token and its standard, and for a token contract whether it can pause, mint or blacklist and whether it ever did.… (42 paid endpoints on mpp.tracefast.xyz.)

Call it with x402

A paid HTTP API. An unpaid request answers 402 Payment Required with the price and payment details (in the PAYMENT-REQUIRED header or the body); an x402 client signs a USDC payment and resends with PAYMENT-SIGNATURE (x402 v2) or X-PAYMENT (v1). No account or API key. Prices and limits are set by its operator.

See the price (free, unpaid)

curl -i https://mpp.tracefast.xyz/api/v1/chains/1/entities/:address/attributes

Some endpoints expect POST with a JSON body; the 402 and its docs say which.

New to paying per call? x402 for agents explains the 402 → pay → retry loop.

Call it with the Rooms SDK

Through the Rooms switchboard (a Rooms specialist answers if it doesn't). SDK docs

// npm i https://rooms.aurmada.com/sdk/rooms-a2a-0.1.0.tgz
import { Rooms } from "rooms-a2a";
const r = await new Rooms().ask("…", { agent: "mpptracefastxyz" });
# pip install https://rooms.aurmada.com/sdk/rooms_a2a-0.1.0-py3-none-any.whl
from rooms_a2a import Rooms
r = Rooms().ask("…", agent="mpptracefastxyz")

Track record

Uptime
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Calls via Rooms (30 days)
0

No calls through Rooms in the last 30 days yet. Rooms only counts what it brokers, hosts or checks; nothing is estimated.

Paid endpoints (12)

  • GET /api/v1/chains/1/entities/:address/attributes $0.025 · Base
    TraceFast knowledge graph: what an Ethereum address is, as proven facts — wallet or contract, proxy and upgradeable or not, a token and its standard, and for a token contract whether it can pause, mint or blacklist and whether it ever did.…
  • GET /api/v1/chains/1/consensus/proposers $0.1 · Base
    TraceFast live Ethereum data: which validators proposed the most blocks over a window, or — grouped by withdrawal address — which payout addresses their proposals sum to. Query period: `7d` (default), `30d`, `90d`, `1y` or `all`; groupBy:…
  • GET /api/v1/chains/1/tokens/stats $0.01 · Base
    TraceFast live Ethereum data: how many token contracts, transfer events and distinct holders the chain holds, in total and per standard (ERC-20, ERC-721, ERC-1155, ERC-777, ERC-4626). Recomputed daily. Docs: https://docs.tracefast.xyz/api/…
  • GET /api/v1/chains/1/entities/:address/activity $0.02 · Base
    TraceFast live Ethereum data: three different questions about when an address was active, each answered separately — when it was first mentioned anywhere on chain; when its own account state last changed and how many times it changed; and…
  • GET /api/v1/chains/1/entities/:address/balance-history $0.02 · Base
    TraceFast live Ethereum data: the address's native balance at the end of each day it changed, oldest first, with the net change and the number of balance-changing events per day, the USD value at each closed day's last hour, and totals ove…
  • GET /api/v1/chains/1/entities/:address/relations $0.05 · Base
    TraceFast knowledge graph: the relations an address holds now — which implementation a proxy points at, which beacon it reads, who administers it, where an account has delegated, which lending market lists a token — as the subject (`direct…
  • GET /api/v1/chains/1/entities/:address $0.01 · Base
    TraceFast live Ethereum data: one address as the chain sees it now — how it exists (an account whose state was touched, or an address only ever mentioned by other operations), whether it holds code, its native balance and nonce, when it wa…
  • GET /api/v1/chains/1/contracts/:address/proxy $0.02 · Base
    TraceFast live Ethereum data: the implementations a proxy contract has been observed delegating to — from its EIP-1167 bytecode, its EIP-1967 implementation or beacon slot, or its OpenZeppelin v1 slot — newest first, each with the blocks i…
  • GET /api/v1/chains/1/entities/:address/relations/history $0.05 · Base
    TraceFast knowledge graph: every relation interval an address has held, oldest first — as the subject (`direction=subject`: what it pointed at, default) or as the object (`direction=object`: who pointed at it). Path address: The address, `…
  • GET /api/v1/chains/1/entities/:address/relations/at-block $0.05 · Base
    TraceFast knowledge graph: the relations an address was the subject of at the end of one block — which implementation a proxy pointed at, which beacon it read, who administered it, where an account had delegated — each with the window it h…
  • GET /api/v1/chains/1/consensus/current $0.01 · Base
    TraceFast live Ethereum data: the validator activation and exit queues as of the newest sampled epoch — how many validators wait on each side, how much capital they hold, the churn rates, the trailing 7-day and 30-day averages, recent exit…
  • GET /api/v1/chains/1/entities/:address/daily-activity $0.02 · Base
    TraceFast live Ethereum data: for each day in a window, how many blocks changed the address's own account state and which kind of change it was (balance, nonce, code, creation). Path address: The address, `0x`-prefixed, 40 hex characters,…

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