the402 endpoint detail

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blockrun.ai TOKEN_ID volume

https://blockrun.ai/api/v1/pm/polymarket/markets/TOKEN_ID/volume

payable

Get historical cumulative volume data for a market

We sent a real GET request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.0085
Network
base
Pay to
0x6E007731870EDe419CfB31889Cd5C4493CEcb04c
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
GET
Response latency
61 ms
Payment options
1 usable of 1
Last checked
2026-08-10T09:13:43.473Z (1d ago)
Category
finance-crypto

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fblockrun.ai%2Fapi%2Fv1%2Fpm%2Fpolymarket%2Fmarkets%2FTOKEN_ID%2Fvolume"