Discover / api.percall.io
percall — Arc agent data (pay per call)
Not checkedKeyless 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.
- Listed price
- $0.005
- Checks
- Not checked
- In our index since
- 14 Oct 2026
Endpoint
curl -i https://api.percall.io/alerts # 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
Questions
What price is recorded for percall — Arc agent data (pay per call)?
Its listed price is $0.005.
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 14 Oct 2026.
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