x402 Blockchain API
x402 blockchain APIs: RPC, indexing, and on-chain data services that accept x402 payments per call. Discover them as machine-readable JSON and pay onchain through the 402 flow.
By task: Blockchain API
BLOCKCHAIN SERVICES ── 88 total ── for live status visit /status
STATUS ── ● online · ◐ degraded · ○ offline · ─ unknown ── live health, see /status.
VOL 30D and BUYERS 30D are a measured 30d floor across listed services, not an ecosystem total; an unmeasured service is not counted as zero.
·sh = shared payout address; volume attributed pro-quota (buyers left whole).
Sponsor · This spot is open · 25 USDC/week(?)A sponsor supports this site. Learn about sponsorship.
| STATUS | NAME | DESCRIPTION | EP | FROM $/REQ | UPTIME · DAILY ROLLUP | VOL 30D | BUYERS 30D | NETWORKS |
|---|---|---|---|---|---|---|---|---|
| ● | LiquidPad | DescriptionPay-per-request LiquidPad endpoints. Verify whether a token was deployed via LiquidPad (ERC-8004 anchored), get full agent provenance with fee split, or read the full agents registry snapshot. | 3 | $0.001 | 100.00% | $0 | 0 | Base |
| ● | AeroCheck | DescriptionTakes an Aerodrome or Uniswap v2 compatible pool address on Base and returns per token risk scores, honeypot status, risk flags and a safe, caution or avoid verdict for the pair. | 1 | $0.05 | 100.00% | $0.89 ·sh | 43 | Base/SOL |
| ● | LoneStarOracle TokenScope | DescriptionReturns a risk report for an ERC-20 token contract: risk score, GoPlus security flags, honeypot detection, liquidity, top-holder concentration, ownership status and an AI analyst verdict. | 1 | $0.15 | 100.00% | $0.89 ·sh | 43 | Base/SOL |
| ● | SolSigs | DescriptionReal-time Solana data APIs plus ProofGuard receipts for AI agents: 22 specialist workers paid per call in USDC via x402 - DEX prices, arbitrage, wallet intelligence, launch detection, plus signed trust scores and payment/fulfillment receipts. No API keys, no subscriptions. | 22 | $0.001 | 100.00% | $0 | 0 | SOL |
| ● | XRPL Microstructure | DescriptionFirst-party XRPL market-microstructure and safety data, served per call over x402 and paid in USDC on Base. Cumulative order-book depth by bps band with an execution-cost curve, a 250-issuer safety register (blackholed / global-freeze / no-freeze flags), token name-collision evidence including homographs built from invisible bytes, trustline census by issuer, wallet-level maker attribution, ledger vitals, and the XRPL agentic-payment market itself. Generated from a local rippled node on an unbroken schedule; every artifact carries its own as_of and gaps are attributed rather than hidden. | 9 | $0.05 | 100.00% | $0 | 0 | Base |
| ● | SolEnrich | DescriptionToken and wallet enrichment for Solana and Hyperliquid: token risk and due diligence reports, wallet and trader profiles, new token screening and alerts. | 23 | $0.001 | 100.00% | $79 | 22 | Base/SOL |
| ● | Cryptonly | DescriptionPay-per-call sanctions screening: checks whether a crypto address is on a sanctions list (OFAC and others). Works for EVM, Solana, Tron and Bitcoin addresses. $0.01 per check in USDC, EURC or USDT on Base or Solana; no account or API key. Not charged if the check fails. | 1 | $0.01 | 100.00% | $0 | 0 | Base/SOL |
| ● | DJZS Protocol | DescriptionDeterministic pre-execution audit of a prediction-market trade thesis. Submit the reasoning behind a trade as free text; receive PASS, WAIT, or FAIL with the taxonomy codes that fired, a risk score, and a reproducible verdict_hash. Audits the reasoning, not the transaction. Out-of-scope requests are refused free. Payable over HTTP x402 or MCP. | 1 | $2.00 | 100.00% | $4 | 1 | Base |
| ● | AltSpider | DescriptionAgent to agent commerce. Agents buy, sell, trade, and chat. The one paid door is GET /api/sample: one cent of USDC on Base, scheme exact, paid to the treasury, and it returns the live floor. No seat, no token. Dollar listings on the floor settle through PayAI. | 1 | $0.01 | 100.00% | $0.65 | 7 | Base |
| ● | Hugen DeFi Intelligence API | DescriptionDeFi data and token security API. Endpoints cover token and address risk checks, phishing and approval lookups, bridge routes and quotes, plus chain level stablecoin supply, DEX volume and protocol fees. JSON over GET, $0.01 per call in USDC on Base or Solana. | 6 | $0.01 | 100.00% | $0.76 ·sh | 310 | Base/SOL |
| ● | Julie Autonomous Security Agent | DescriptionEVM smart-contract risk screen for Base tokens. Returns honeypot score, reentrancy flags, and liquidity lock status as JSON. Pay 0.05 USDC on Base per call via x402. | 1 | $0.01 | 100.00% | $0.01 | 1 | Base |
| ● | Skuuy Private RPC Relay | DescriptionZero-log, no-signup JSON-RPC relay for 12 EVM chains. Free 2,500 calls/day/IP, then $0.001 USDC per call via x402 on Base. Point your provider URL to rpc.skuuy.com/<chain>. | 6 | $0.001 | 100.00% | $0 | 0 | Base |
| ◐ | PGA Agent: Base on-chain facts (x402) | DescriptionFour pay-per-call JSON APIs on Base, paid in USDC: base-token-facts 0.01 $ (what a token contract allows: mint, pause, blacklist, owner, proxy; verified source; DEX liquidity), base-new-tokens 0.005 $ (registry of tokens whose first DEX pair appeared in a window, with contract permissions), base-wallet-facts 0.007 $ (address facts: age, tx count, ETH/USDC balances, top tokens), base-gas-now 0.003 $ (current base fee, priority tips, L1 fee, USD cost of transfers). Facts only, sources and timestamps. Information, not investment advice. Operated by an AI agent for PGA WEBCORPO. OpenAPI: https://audit-site-web.pga-agent.fr/openapi.json | 4 | $0.003 | 100.00% | $0.12 | 6 | Base |
13 of 88 services ── category: Blockchain ── all services
Measurement methodology
Page snapshot as of .