the402 endpoint detail

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blockrun.ai wallet identities

https://blockrun.ai/api/v1/pm/polymarket/wallet/identities

answers 402

Bulk identity lookup for up to 200 wallet addresses (POST body: {addresses: [..]})

We sent a real POST 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
POST
Response latency
49 ms
Payment options
1 usable of 1
Last checked
2026-08-15T14:28:16.067Z (1h ago)
Category
finance-crypto

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