Explore APIs
Every pay-per-call x402 API we can find, ranked by what agents actually pay for. No accounts, no API keys.
- Projects
- 4.4K
- Paid endpoints
- 87K
- Paid calls · 30 days
- 885K
- Launched here
- 0
Crypto & DeFi
844 results- Ttrade-math-x402.linholiday.workers.devCrypto & DeFi
Binary Kelly stake from your p_yes and venue ask/bid, optional fee_bps and fractional Kelly. Pure compute — you supply prices.
Basetrade-math-x402.linholiday.workers.devfrom $0.0051 endpoint - TToolSchema ForgeCrypto & DeFi
Checks one LLM tool/function definition against the schema rules of OpenAI (incl. strict mode), Anthropic, Gemini and MCP without changing it. Returns a compatible true/false flag per provider and every problem with its JSON pointer path, so a tool can be fixed before an API call is rejected. Deterministic, no LLM.
Basetoolschema-forge.toolschemaforge.workers.devfrom $0.0056 endpoints
ToolMint Package TrustCrypto & DeFiPackage trust pack by path (eco + name)
Basetoolmint-pkg-trust.toolmint.workers.devfrom $0.0053 endpoints
TokenVerdict by AgentGateCrypto & DeFiBase ERC-20 token safety verdict: SAFE / CAUTION / DANGER, score 0-100 and the reasons, from a simulated buy-transfer-sell on the token's own pool (honeypot and tax detection), owner powers (mint, blacklist, pause, tax setters, upgradeable proxy, renounced), liquidity, LP burn, holder concentration, verified source and age.
Basetokenverdict.agentgate.workers.devfrom $0.0052 endpoints- Ttokensafe-production.up.railway.appCrypto & DeFi
No description yet.
Solanatokensafe-production.up.railway.appfrom $0.0081 endpoint - BBase Token CheckCrypto & DeFi
Due-diligence report for an ERC-20 token on Base: contract verification, upgradeability, owner powers (mint, pause, blocklist, fees), DEX liquidity, pool age and holder concentration, with a 0-100 score and a plain-language summary.
Basetokencheck.yukikawata.fyifrom $0.011 endpoint - Ttoken-dex-pool-liquidity-intelCrypto & DeFi
Token-Intel Real-Time DEX Pool Liquidity & Slippage Oracle: Analyzes on-chain DEX liquidity depth, volume, and price impact across major AMMs.
Basetoken.agentdiet.devfrom Free1 endpoint - Ttoken-verdict.restockalarm.workers.devCrypto & DeFi
One-call verdict for an ERC-20 token on Base: risk (incl. holder concentration) + rug-pull + momentum + contract flags, verdict avoid/high_risk/caution/low_risk and a one-line English summary · Pay per call: $0.01 — or starter pack: 40 credits = 20 calls for $0.02 (valid 7 days): https://token-verdict.restockalarm.workers.dev/v1/starter-pack
Basetoken-verdict.restockalarm.workers.devfrom $0.011 endpoint - Ttoken-safety.50to50k.workers.devCrypto & DeFi
Solana token safety report: mint and freeze authorities, risky Token-2022 extensions (permanent delegate, transfer fee, transfer hook, pause, non-transferable), real sellability through a Jupiter sell quote with price impact at $100 and $1000, liquidity, holder concentration, pool age, and a 0-100 risk score with explained flags.
Solanatoken-safety.50to50k.workers.devfrom $0.012 endpoints - Oorbit Token RiskCrypto & DeFi
Token risk / rug check / honeypot / scam safety screen for Base + Solana memecoins and tokens. $0.015 per call for up to 10 tokens: 25% cheaper per call than AX1 q-verdict ($0.02, one Base token per call) and over 10x cheaper per token in a 10-token batch ($0.0015/token). Returns raw numbers, not prose: liquidity, liquidity/FDV, top-holder concentration, mint & freeze authority, Token-2022 transfe
Basetoken-risk.orbit-builder.workers.devfrom $0.00092 endpoints - Ttoken-intelCrypto & DeFi
AgentDiet Semantic Distillation (/v1/distill) — Strips 85-97% of HTML token bloat
Basetoken-intel.agentdiet.devfrom Free5 endpoints - Ttoken-intelCrypto & DeFi
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.
Basetoken-intel-72343955726.us-central1.run.appfrom Free5 endpoints - BBase Token CheckCrypto & DeFi
Due-diligence report for an ERC-20 token on Base: contract verification, upgradeability, owner powers (mint, pause, blocklist, fees), DEX liquidity, pool age and holder concentration, with a 0-100 score and a plain-language summary.
Basetoken-check.yukikawata.workers.devfrom $0.011 endpoint - TTitan FrameworksCrypto & DeFi
Token-efficient LangChain, LlamaIndex, Ollama, and XRPL docs via MCP (search, syntax, error diagnosis)
Basetitan-frameworks-production.up.railway.appfrom $0.0011 endpoint - RRF Legality CheckCrypto & DeFi
RF band catalogue search: given a frequency or band name fragment, returns every matching band with range, region, uses and legality.
Solanatill.davidlightlabs.iofrom $0.0018 endpoints - Ttask-radar-x402.vercel.appCrypto & DeFi
Crypto price + 24h change summary (CoinGecko). 0.01 USDC/call on Base.
Basetask-radar-x402.vercel.appfrom $0.0127 endpoints - TTali Agent ToolsCrypto & DeFi
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.
Basetali-agent-tools.talibot.workers.devfrom $0.013 endpoints - DDevX 7702 Sweeper CheckCrypto & DeFi
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.
Basesweeper-check.nextill-pos.workers.devfrom $0.011 endpoint - Sstealthguard-402.onrender.comCrypto & DeFi
StealthGuard 402 /v1/alpha/polymarket-top-whales
SolanaBasestealthguard-402.onrender.comfrom $0.0116 endpoints - Sstatus-state-api.replit.appCrypto & DeFi
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.
BaseSolanastatus-state-api.replit.appfrom $0.0166 endpoints - Sstablecoins: Largest stablecoinsCrypto & DeFi
Stablecoins ranked by circulating supply.
Basestablecoins.x402utils.workers.devfrom $0.0011 endpoint - Ssolana-x402-microtools-mainnet.valecity.workers.devCrypto & DeFi
Probe one public HTTPS URL without following redirects; inspect x402 v2 challenge
Solanasolana-x402-microtools-mainnet.valecity.workers.devfrom $0.0036 endpoints - Ssolana-wallet-x402Crypto & DeFi
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
BaseSolanasolana-wallet-intel.falcon-sol.workers.devfrom $0.0034 endpoints - SSolana PulseCrypto & DeFi
Use before sending SOL or paying fees, to confirm the wallet really holds enough. Never rely on a balance remembered from earlier in a conversation. Reads a wallet's native SOL balance directly from the chain.
Solanasolana-pulse-gateway-1021990235790.us-central1.run.appfrom $0.0124 endpoints - SSolana IntelCrypto & DeFi
Wallet health score: portfolio risk mix, verification, organic quality
Solanasolana-app-production.up.railway.appfrom $0.0013 endpoints - Ssol.mapleai.shopCrypto & DeFi
OpenAI-compatible chat completion, priced by counted input tokens + max output tokens at per-model rates
Solanasol.mapleai.shopfrom $0.0016 endpoints - Ssoftbot-tokencheck-mainnet.softbot.workers.devCrypto & DeFi
Solana token safety check: verdict (safe/caution/avoid), 0-100 risk score and reasons from mint/freeze authority, Token-2022 extensions, holder concentration, age and DEX liquidity. Use when an agent is about to buy, swap, accept or recommend an unfamiliar Solana token. Not financial advice.
Solanasoftbot-tokencheck-mainnet.softbot.workers.devfrom $0.011 endpoint - Ssoftbot-sitecheck-mainnet.softbot.workers.devCrypto & DeFi
Website trust check: verdict (trustworthy_likely/caution/risky) with reasons from domain age (RDAP), DNS (A/MX/NS), HTTPS reachability and redirect chain, security headers, phishing/malware list snapshots, brand lookalike/typosquat detection, tech fingerprint and page title. Use when an agent is about to open, click, submit credentials or payment to, recommend or trust an unfamiliar URL or website
Solanasoftbot-sitecheck-mainnet.softbot.workers.devfrom $0.0031 endpoint
SignCheck by AgentGateCrypto & DeFiOffline 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.
Basesigncheck.agentgate.workers.devfrom $0.0051 endpoint- Sshopify-spyCrypto & DeFi
AgentDiet Semantic Distillation (/v1/distill) — Strips 85-97% of HTML token bloat
Baseshopify-spy.agentdiet.devfrom Free5 endpoints
Service data comes from the Coinbase CDP and PayAI discovery lists and refreshes every few hours. Usage is paid calls over the last 30 days. APIs launched here are verified by us; the rest are paid directly to their owners.