BlockRun.AI
Get historical cumulative volume data for a market
Go to this service →Our latest check (2026-10-11)
- Answering
- Yes — valid x402 payment terms
- Time to answer
- 201 ms
- Price
- $0.009 per call
- Paying buyers, last 30 days
- 2 (directory's own records)
- Paid calls, last 30 days
- 4
- Category
- Forecasts, signals and predictions
- Address
- https://blockrun.ai/api/v1/pm/polymarket/markets/21742633143463906290569050155826241533067272736897614950488156847949938836455/volume
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/8457b8f01067.json. Paid lookup by address: GET /api/seller?resource=… ($0.001, x402).