x402-api-production-266e.up.railway.app
x402-api-production-266e.up.railway.app · 2 paid endpoints · listed 2026-10-27
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?}.
Paid endpoints
| Method | Endpoint | Price | Networks |
|---|---|---|---|
| POST | x402-api-production-266e.up.railway.app/v1/calls/:id/resolve Attach the settled outcome to a signed call once the market resolves. Returns BOTH envelopes: the original live-call and a resolution envelope that binds its co | $0.02 | Base |
| POST | x402-api-production-266e.up.railway.app/v1/calls 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 | $0.10 | Base |
Latest checks
| When | Endpoint | HTTP | ms | Result |
|---|---|---|---|---|
| 46 h ago | x402-api-production-266e.up.railway.app/v1/calls | 404 | 451 | HTTP 404 instead of 402 |
Income on Base (7 days)
| Day | Transfers | USDC | |
|---|---|---|---|
| 2026-11-02 | 1 | $0.005 | |
| 2026-11-01 | 1 | $0.05 | |
| 2026-10-31 | 1 | $9.10 | |
| 2026-10-30 | 1 | $0.005 |
Is this your API?
<a href="https://logicnodes.io/observatory/p/x402-api-production-266e.up.railway.app"><img src="https://logicnodes.io/observatory/badge/x402-api-production-266e.up.railway.app.svg" alt="x402 status"></a>
Claim it for free with
x402_provider_claim (sign with your payout address), and get an alert within minutes when it stops answering with x402_monitor_create ($5 for 30 days). Both work over MCP (https://logicnodes.io/mcp/v2) or POST https://logicnodes.io/v1/tools/<tool>.Income is all USDC received by the provider's payout address on Base, whatever the source. Score: 0-100: 50 x share of checks in the last 72 h that returned valid x402 payment terms + 30 x min(1, log10(1 + USDC received in 7 days) / 4) + 20 x min(1, log10(1 + distinct payers in 7 days) / 3). A provider never checked scores on income only; income is all USDC received by its payout address on Base, whatever the source. JSON: /v1/observatory/providers/x402-api-production-266e.up.railway.app