Explore APIs

Crypto price + 24h change summary (CoinGecko). 0.01 USDC/call on Base.

Triage a public GitHub issue as a paid bounty for an autonomous coding agent: state/age/assignees/labels, Algora/Opire/Paid Bounty//bounty signals, competing open PRs, claim gating (/attempt,/claim), and a verdict (pursue|contested|unfunded|stale|closed). Call before spending compute on a bounty URL.

EIP-7702 delegation & sweeper check for EVM wallets across 8 chains (Ethereum, Base, BSC, Arbitrum, OP, Polygon, Gnosis, Unichain). Paid report adds delegate bytecode analysis (sweeper/hard-coded forwarder heuristic), source-verification status, risk level and remediation advice. 1-20 addresses per call.

Full supply chain report — shipping rates, BLS PPI, NY Fed GSCPI, AI summary

StealthGuard 402 /v1/alpha/polymarket-top-whales

Current normalized overall status, fault-first components, active incident (or closedIncidentSummary if stale), and poll clocks. overallStatus and hasActiveIncident are in the 402 JSON body so you can decide whether to pay. $0.01 per call in USDC on Base or Solana, verified and settled by the PayAI facilitator - no API key, no signup.

Live staking yields with liquid staking, liquid restaking (ether.fi/Renzo/Kelp), and best_strategy recommendation. ETH, SOL, ATOM, ADA, DOT, AVAX, MATIC. $0.05/report via x402 on Base.

Stablecoins ranked by circulating supply.

Call this before your agent pays an unfamiliar x402 payTo address or endpoint. Checks public sanctions lists (OFAC SDN crypto addresses), the ScamSniffer scam list, on-chain wallet age, activity and program status on Solana or Base, and optionally the endpoint's unpaid 402 challenge (payTo mismatch, price outliers). Returns verdict ok, caution, do_not_pay or unknown, a 0-100 score, flags with evid

Read-only native Circle USDC transfers across six EVM chains and Solana.

Offline pre-sign check (no RPC, fast): decodes a transaction, EIP-712 typed data (Permit, Permit2, EIP-3009), an EIP-7702 authorization or an x402 402 + payment payload and returns SAFE/CAUTION/DANGER, every risk flag with its reason, decoded args, counterparties, x402 payment-vs-402 match and OFAC SDN screening. Use /v1/check for on-chain facts and simulation.

Daily market-regime context for trading agents: is the market risk-on or risk-off? One call returns today's issue: BTC trend filter (SMA20/50), trend scores for 9 altcoins, US equity regime (SPY vs SMA200, VIX term structure), SPY RSI(2) state and an MSTR BTC filter. Use it once a day before an agent sizes or gates trades. Rule-based, from PAPER research accounts, no track record, not advice. Issu

AgentDiet Semantic Distillation (/v1/distill) — Strips 85-97% of HTML token bloat

Universal A2A & MCP Tool Discovery, Safe-Proxy & Swarm Router (/v1/x402-broker) — Single-connection meta-router indexing 500+ MCP servers & A2A tools with 85% token compression and Prompt-Guard firewall.

AgentDiet Semantic Distillation (/v1/distill) — Strips 85-97% of HTML token bloat

Universal A2A & MCP Tool Discovery, Safe-Proxy & Swarm Router (/v1/x402-broker) — Single-connection meta-router indexing 500+ MCP servers & A2A tools with 85% token compression and Prompt-Guard firewall.

Busiest x402 services in our directory sample, of one kind (our own keyword grouping) under your price limit, with at least 2 calls per buyer: ?kind=&max_price_usd=&min_payers= (kinds: AI answers and writing, Blockchain data lookups, Web search and page reading, Prices and market data, Other)

Place a dropshipping order (price quoted per order). Ships to EU member states only. Payer wallet must be deployed (counterfactual smart accounts are not supported).

AgentDiet Semantic Distillation (/v1/distill) — Strips 85-97% of HTML token bloat

Universal A2A & MCP Tool Discovery, Safe-Proxy & Swarm Router (/v1/x402-broker) — Single-connection meta-router indexing 500+ MCP servers & A2A tools with 85% token compression and Prompt-Guard firewall.

Token security verdict for an ERC-20 on Base or Ethereum: risk score (0-100), flags, liquidity, holder concentration, honeypot indicators, top holders and a short summary.

AgentDiet Semantic Distillation (/v1/distill) — Strips 85-97% of HTML token bloat

Universal A2A & MCP Tool Discovery, Safe-Proxy & Swarm Router (/v1/x402-broker) — Single-connection meta-router indexing 500+ MCP servers & A2A tools with 85% token compression and Prompt-Guard firewall.

Performs live on-chain EVM bytecode disassembly and selector inspection across Base (8453), BSC (56), Ethereum (1), and Arbitrum (42161) to detect EIP-1967/1167 proxies, EIP-3009 transferWithAuthorization support, blacklist/pause modifiers, and fee-on-transfer settlement traps.

Code scan / security scan — inspect AI-generated Python/JS/TS source code BEFORE it runs. 45 deterministic AST rules return structured findings (rule_id, severity, line ranges, remediation) in ~100 ms with no code execution, no LLM and no data retention. Use it in agent loops that generate and execute code.

Consensus spot price across three exchanges

OFAC SDN sanctions screen for a name / entity / wallet (?name=)

Tracks institutional and high-win-rate whale wallet net inflows and outflows across Solana SPL and Base ERC-20 tokens.

Rug pull check for an ERC-20 token on Base: rug_pull true/false, confidence, 5 signals (ok/advarsel/ukendt) and the decision rule

Website uptime/latency/TLS check of a public URL, measured from a server in US Central (St. Louis). Returns status, DNS/TTFB/total ms, redirect chain, cert expiry.