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Every pay-per-call x402 API we can find, ranked by what agents actually pay for. No accounts, no API keys.
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- Paid calls · 30 days
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Crypto & DeFi
844 results- Bbounty-radar.orbit-builder.workers.devCrypto & DeFi
Agent Bounty Radar, new items only ($0.01): bounties first seen after ?since= (ISO-8601). Open crypto-paid bounties an autonomous AI agent can enter and get paid for (Taskmarket, Stacker News, Superteam Earn; human-only listings filtered out), each with reward, deadline, chain and a ready 'how to enter' command. /bounties/new?since= returns only items first seen after your last poll, with stable I
Basebounty-radar.orbit-builder.workers.devfrom $0.011 endpoint - Bbotboard.forgemesh.ioCrypto & DeFi
Post a message to the board — a public, permanent, paid message wall. Every message costs $0.005 USDC, making economic proof-of-intent the spam filter. Messages are public, timestamped, and attributed to the paying wallet's transaction hash.
Basebotboard.forgemesh.iofrom $0.0051 endpoint - BBookproofCrypto & DeFi
Read-only Polymarket market health: resolves a full Polymarket URL, slug, token ID, or search phrase, then returns spread, 1/2/5 cent depth, imbalance, fee schedule, and book freshness.
Basebookproof-api.sn95wjq846.chatgpt.sitefrom $0.0051 endpoint - Bblocksearch.devCrypto & DeFi
Get trending insights in the blockchain space.
Solanablocksearch.devfrom $0.015 endpoints - BBentCrypto Token RiskCrypto & DeFi
BentCrypto Solana Token Security API - authority and Token-2022 control analysis for AI agents
Solanabentcrypto-x402-production.up.railway.appfrom $0.012 endpoints - BBaseYieldCrypto & DeFi
Returns DefiLlama Base yield pools matching an asset symbol, ranked by reported APY.
Basebaseyield-x402.vercel.appfrom $0.011 endpoint - BBasePriceCrypto & DeFi
Returns observed Base token USD price with provider and liquidity provenance.
Basebaseprice-x402.vercel.appfrom $0.011 endpoint - Bbase-token-snapshot-20261010.genial-clove-9914.chatgpt.siteCrypto & DeFi
Base ERC-20 token market snapshot: up to ten DEX Screener trading pairs ranked by USD liquidity, with pair price quotes, 24-hour volume and buy/sell counts, price changes, on-chain contract metadata, and GoPlus risk flags, buy/sell/transfer taxes, and reported largest-holder shares. Sources and retrieval times are included. Missing or unavailable data is not evidence of safety; this API gives no c
Basebase-token-snapshot-20261010.genial-clove-9914.chatgpt.sitefrom $0.011 endpoint - Bbase-token-safety-x402.grokbot-hk.workers.devCrypto & DeFi
Base token safety snapshot: heuristic on-chain scan of an ERC-20 on Base (bytecode/proxy check, ERC-20 metadata, risky-function selector scan, owner/renounce check, Uniswap v3 / Aerodrome pool + liquidity discovery, best-effort sell simulation). Public RPC data only. Heuristic, not financial advice.
Basebase-token-safety-x402.grokbot-hk.workers.devfrom $0.011 endpoint - Bbase-sentinel-production.up.railway.appCrypto & DeFi
Cryptographic hash of a text string - sha256 (default), sha512, sha1 or md5 - returned as hex and base64. Use it for content fingerprints, integrity checks and deterministic ids; pure computation, instant.
Basebase-sentinel-production.up.railway.appfrom $0.0011 endpoint - NoHands AiCrypto & DeFi
Run BlockchainSecurity multi-hop fund-flow tracing from a starting address through an x402 paid wrapper.
Basebase-agent-preflight.bytoken2023.workers.devfrom $0.00162 endpoints - AAxiom Swap GuardCrypto & DeFi
Is this Solana token safe to buy? CLEAR / CAUTION / AVOID pre-swap verdict: authorities, Token-2022 extensions, holder concentration, liquidity, pair age, plus a live Jupiter sell-route and price-impact check at ?sizeUsd (default 100).
Baseaxiom-token-risk.jake-ea.workers.devfrom $0.011 endpoint - Aarxiv-digestCrypto & DeFi
AgentDiet Semantic Distillation (/v1/distill) — Strips 85-97% of HTML token bloat
Basearxiv-digest.agentdiet.devfrom Free5 endpoints - Aarxiv-digestCrypto & 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.
Basearxiv-digest-72343955726.us-central1.run.appfrom Free5 endpoints - Aargonaut-crypto-headline-pulse.vercel.appCrypto & DeFi
Fresh crypto news and source-linked Bitcoin, Ethereum, Base, and market headlines from four independent publisher feeds, with deterministic topic filtering and no generated claims.
Baseargonaut-crypto-headline-pulse.vercel.appfrom $0.0071 endpoint - AArgonautWorks Base Network PulseCrypto & DeFi
Current Base mainnet block consensus, EIP-1559 fees, ETH/USD reference price, and deepest WETH-stablecoin DEX pool telemetry.
Baseargonaut-base-network-pulse.vercel.appfrom $0.0091 endpoint
CriptoNousCrypto & DeFiNews/wire pulse for one symbol or meta ($0.04). Narrative context only NFA.
SolanaBaseBNB Chain+1app.criptonous.comfrom $0.0119 endpoints- WWalletForgeCrypto & DeFi
Fetch a public URL and return cleaned markdown
Baseapi.walletforge.appfrom $0.0014 endpoints - TTollexCrypto & DeFi
First paid call: confirms your x402 integration end to end and returns live payment-rail and chain state with a signed receipt.
Baseapi.tollex.orgfrom $0.00791 endpoint - tokenizen ownership receiptsCrypto & DeFi
Ownership verification with a signed receipt. The receipt is the product: the same answer is available for free at /api/verify-ownership.
Baseapi.tokenizen.nlfrom $0.0011 endpoint - Aapi.timzinin.comCrypto & DeFi
Score ERC-20/BEP-20 token rug-pull risk from honeypot.is simulation + DexScreener liquidity/age. Detects honeypots, high taxes, thin liquidity, brand-new pairs. Heuristic signal, not financial advice. No wallet, no RPC key, no browser.
Baseapi.timzinin.comfrom $0.012 endpoints
SyraCrypto & DeFiLists conferences, launches, listings, and macro events affecting crypto. Use when an agent schedules research around catalysts or filters noise by ticker. Input: optional ticker. Returns event[] with titles, dates, and metadata.
SolanaBasePolygon+6api.syraa.funfrom $0.000161 endpoints- Aapi.slamai.devCrypto & DeFi
Returns trending tokens across the entire blockchain for a specified activity window and optional category. The size of the increase in active wallets over the activity window determines the token's trending rank.
Baseapi.slamai.devfrom $0.0014 endpoints - Ppremiumrewards.vipCrypto & DeFi
One Sense. Definition from Wiktionary, CC BY-SA 4.0 and GFDL. https://creativecommons.org/licenses/by-sa/4.0/ https://www.gnu.org/licenses/fdl-1.3.html https://en.wiktionary.org/wiki/oracle The definition text (not this shop) may be reused under those licenses. Not endorsed by Wiktionary or the Wikimedia Foundation.
Baseapi.premiumrewards.vipfrom $0.0013 endpoints - Aapi.polypulse-x402.workers.devCrypto & DeFi
Top Polymarket markets by 24h volume, with optional keyword filter. Snapshot of the most-traded open Polymarket markets in the last 24h (up to the top 300 scanned), optionally filtered by a case-insensitive keyword in the question/event title (e.g. 'bitcoin', 'election', 'fed') and by minimum liquidity. Returns odds, spread, volume, liquidity, price changes.
Baseapi.polypulse-x402.workers.devfrom $0.011 endpoint - MMachine ShopCrypto & DeFi
Remove scripts, styles, templates and markup from static HTML; return visible text with line breaks. Limit: 50000 combined input string characters; batch maximum 100. JSON POST; invalid input returns 422, size limit 413. Unpaid production requests return x402 402 before input validation.
Baseapi.pay-forge.onlinefrom $0.00427 endpoints - Aapi.netbrainis.co.zaCrypto & DeFi
Read the current on-chain compliance status for an Ethereum address from the ComplianceOracle contract (view call, no gas)
Baseapi.netbrainis.co.zafrom $0.011 endpoint
MilypayCrypto & DeFiBSB lookup 012-002
Solanaapi.milypay.xyzfrom $0.0021 endpoint- GGROUNDTRUTHCrypto & DeFi
GROUNDTRUTH creator counts: launches, rugged, died, active, survived, graduated, and the observed-only baseline the known_bad line is drawn from. Live fields from the mint feed every 5 s: last_mint_live, launched_live, bonded_live, mints_since_asof; ticker_asof = the newest mint seen. No mints_since_asof = not live.
Solanaapi.groundtruths.xyzfrom $0.012 endpoints - Aapi.finnputerdex.comCrypto & DeFi
FINNPUTER deep token safety scan (clusters + forwarded supply)
Solanaapi.finnputerdex.comfrom $0.0052 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.