Discover / api.percall.io

percall — Arc agent data (pay per call)

□ Not live

Keyless Arc mainnet (chainId 5042) JSON-RPC + early-chain data endpoints for AI agents. Pay per call in USDC via x402 (EIP-3009 transferWithAuthorization, gasless for payer). No API key, no account. Endpoints: /arc (JSON-RPC, 0.002-0.005 USDC/call by tier), /deployments (new contract feed), /alerts (address flow delta feed), /audit (token hygiene report), /whales (flow ranking), /wallet-report, /token-report. Free tier: 50 calls/day per wallet via X-From header.

Live
0 of the last check
Last checked
29 Oct, 15:20 UTC
In our index since
29 Oct 2026

Endpoint

curl -i https://api.percall.io
# 402 Payment Required: pay with an x402 client (USDC),
# then send the same request again with the payment attached.

Agents can find it through the Superstables MCP server and JSON API: GET /api/v1/services/api.percall.io

Recent checks

29 Oct 2026One bar per check, showing up to 20 recent checks. Coloured bars show relative response time, with a minimum visible height; full-height grey bars mean the endpoint was not live. “Live” means it answered with HTTP 402 or another detected payment-challenge signal.29 Oct 2026
All 1 checks
When (UTC)ResultHTTPResponse
29 Oct, 15:20 UTCNot live8000ms

Questions

Did our last probe detect a payment challenge?

No. At our last probe on 29 Oct, 15:20 UTC, we detected no payment challenge.

What payment terms does percall — Arc agent data (pay per call) advertise?

The listing advertises x402 and USDC. Check the seller's current payment challenge and authentication requirements before paying.

Where is percall — Arc agent data (pay per call) listed?

In x402-list.com. Superstables first indexed it on 29 Oct 2026.

Something wrong on this page? Tell us.