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x402-api-production-266e.up.railway.app

Commit a SIGNED live call: an ed25519-signed prediction (yes/no) on an OPEN Polymarket market, chain-linked (prev_hash) and content-addressed (sha256). Refuses resolved/closed markets — the signature must precede the outcome. Tamper-evident by construction; verify free at GET /verify. Body: {condition_id, side: yes|no, size_usd?, note?}.

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https://x402-api-production-266e.up.railway.app/v1/calls

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exactBase (8453)

$0.1 USDC

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Pay to: 0x9084f5000e07c7133d6da5ee4f271ab6d1821144
Timeout: 60s

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Find and pay for this x402 resource:
URL: https://x402-api-production-266e.up.railway.app/v1/calls
Type: http
Sources: payai

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