x402 Data API

Checks up to 2000 buyer-supplied OHLCV rows for ordering, duplicates, OHLC consistency and optional continuous-interval gaps. JSON report and input hash for 0.02 native USDC on Base. No market data, trading signals or performance prediction.

Solana measurements for agents on XRPL x402. One row per mint: now (price, liquidity, holders, top-10, organic), watched (age, peak liquidity, drawdown), versus_book (percentiles against the full complete set). You apply the filters. No ranking. No API key.

Two paid endpoints, USDC on Base (exact scheme, xpay facilitator). GET /launch-signals ($0.03): live pump.fun launch signals - up to 100 newest memecoin launches with normalized screening verdicts (class + reason + measured holder concentration %), current price multiple, 5-min buy/sell flow, unique buyers, volume, liquidity, dev rug-risk history (prior mints/migrations), and smart-money aggregates (counts + net USD flow, no wallet addresses), plus a market_pulse roll-up; every response discloses generated_at/tracker_data_at and an is_stale flag - stale data is disclosed, never fabricated. POST /verify-x402 ($0.015): x402 endpoint verification - pre-flight checks for any x402 API: liveness, latency, 402 handshake, payment-schema validity, payee on-chain activity. Free /health and / self-description.

The checks AI agents run before they act: verify IBANs and screen sanctions before paying, phone lines before messaging, FR/EU laws in force before advising, weather before deciding, VINs and recalls before buying. Official sources (EPC, OFAC/EU/UN, LEGI/EUR-Lex, ERA5/GFS, NHTSA vPIC), provenance in every response. You only pay for answers.

Five pay-per-call services on Base: FLUX image generation, PDF-to-Markdown conversion, and an auditable gas forecasting loop (preflight, decision journal, and on-chain audit). Priced $0.002 to $0.05 per call in USDC. No API key, account, or subscription.

Composable crypto/DeFi data for agents: gas, Hyperliquid funding+OI, DeFi yields, prices, Polymarket odds in one paid call, plus deterministic derived facts (liquidation price, net funding cost, net APY). x402 v2 exact on Base, settles via PayAI facilitator.

Pay-per-call API merchant selling web extraction, link checking, domain intelligence, web search, geoIP, and Nano blockchain data — all settled in Nano (XNO) via x402 protocol. Instant, feeless, green peer-to-peer payments on nano:mainnet.

Agent-native x402 APIs for low-cost paid-work discovery, public-web extraction and reproducible source evidence, plus HTTP health/preflight utilities. No account or API key; pay per call in USDC. Canonical stable VPS origin.

Recommend the best x402 payment facilitator by chain, token, and monthly volume. Returns ranked facilitators with fee estimates as JSON. Paid via x402 at $0.001 USDC per query on Base.

One paid unlock: live gap watch + paper book + test-wallet scalp exits. 1 USDC on Base. Not financial advice. Paper PnL is noise, not a track record.

Agent-to-agent message relay on x402 (Base USDC).

Pre-execution decision-context infrastructure for consequential machine-prepared capital actions. Sharpe Nova OS provides progressively deeper source-aware context before local authority decides. Nova does not approve, authorize, custody, route, or execute capital.

Pay-per-call crypto data API for agents: Solana & Base wallet balances, transactions, token prices/pairs, top holders, new launches, sell-check (honeypot) and utilities. x402 USDC on Base & Solana, MCP-ready.

72 pay-per-request x402 APIs for autonomous agents, USDC on Base, no account and no API key. Post-quantum ML-DSA-65 document signing and agent identity certificates (FIPS 204); signed random bytes with entropy-health attestation; bulk chain exports, health and anomaly detection; a full-text index of ~18,000 machine-payable services built from their own 402 challenges; deterministic portfolio risk and look-ahead-safe backtesting; GPU opportunity routing; structured extraction, classification and reranking; GEO audits. Self-hosted facilitator; ANM-native (animica:1) lane at a 25% discount.

Machine-buyable EU procurement intelligence with autonomous x402 products from micro lookups through focused $5 and $49 tender research.

Structural diff + patch API for agents: text and JSON diffs, RFC-6902 JSON Patch generation and application. Deterministic output suitable for automated pipelines. 0.03 USDC per call via x402 on Base.

Company risk profiles and single-question slices compiled from public records (GLEIF, SEC EDGAR, OFAC/UK/EU sanctions lists, US state registries), with every field sourced and dated and graded confidence. Paid per call over x402 in USDC on Base; companies only, no person data.

Machine-purchasable government and civic data products - CVEs, safety recalls, CPI, Federal Register, US debt, bank profiles, weather alerts, housing, air quality, UK companies - sold per call over x402 (USDC on Base). Every response carries a provenance chain and a verifiable Ed25519 attestation. MCP server at /mcp; manifests at /.well-known/x402.json and /llms.txt.

Pay-per-call URL extraction and link checking for AI agents, settled in Nano (XNO) on nano:mainnet via x402 exact scheme. Extract clean text/markdown from any URL, or check HTTP status, response time and redirect chain. No signup, no API key, no account; payment is verified directly on the Nano ledger.

Twelve pay-per-call HTTP endpoints for autonomous agents, settled in USDC on Base via x402 v2 (EIP-3009 transferWithAuthorization). No API keys, no accounts, no signup. Endpoints: crypto spot prices, IP geolocation, DNS records, hashing, Base time/block height, text statistics, FX rates, Base block data, Base transaction decoding, Base address balances, URL status/security-header checks, and an LLM chat completion served by a locally hosted 27B model. Prices $0.0005-$0.002 per call. Machine-readable: /endpoints.json, /openapi.json, /.well-known/x402.

Pay-per-call threat intelligence captured in-kernel via XDP/eBPF across a multi-node fleet. Live attacker IPs with TCP flags, TTL and OS fingerprints from real attacks — not synthetic datasets. Multi-node corroboration filters noise: only what multiple independent sensors confirmed simultaneously. Also includes ZK proofs (Halo2, Nova IVC, Plonky3 STARK), arbitrage signals, and mempool telemetry. No account, no subscription. Pure x402 USDC on Base.

Real-time aviation data including flight tracking, airport information, aircraft types, and aviation weather. Pay-per-request via x402 micropayments.

Reliable DeFi yields and clean-markdown fetch for agents, $0.01-0.04/call. Paid per call with USDC over x402 v2 (base, solana); no account or API key. Routes: GET /v1/defi/yields $0.02; GET /v1/defi/protocol/:slug $0.01; POST /v1/scrape/markdown $0.02; POST /v1/scrape/summary $0.04.

Six bounded pay-per-call public-data research APIs for AI agents, with per-service availability, structured JSON contracts, transparent USDC pricing, and no subscription.

Full market intelligence for any Hyperliquid market — core crypto perps or HIP-3 equities/commodities/FX. Prices, funding regime (realized + cross-venue predicted), order-book depth & imbalance, aggressor flow, 24h momentum, plus an AI analyst desk note. $0.02 USDC per call via x402 on HyperEVM (eip155:999).