TraceFast
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: `
Go to this service →Our latest check (2026-10-11)
- Answering
- Yes — valid x402 payment terms
- Time to answer
- 234 ms
- Price
- $0.100 per call
- Paying buyers, last 30 days
- 3 (directory's own records)
- Paid calls, last 30 days
- 3
- Category
- Payments and on-ramps
- Address
- https://mpp.tracefast.xyz/api/v1/chains/1/consensus/proposers
Accuracy
Accuracy scores are published once a seller has enough paid checks against an independent record (at least 7 scored answers over at least 7 days). Until then no score is shown, and a missing score is never a pass.
For agents
This page as JSON: /sellers/a2c86aa7d1ff.json. Paid lookup by address: GET /api/seller?resource=… ($0.001, x402).