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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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Social & people
226 results- SSolana WatchdogSocial & people
Solana Watchdog: dependency advisories split by on-chain vs toolchain surface, plus known Solana/Anchor bug-class leads, for a public GitHub repo. A scan, not an audit.
Solanasolana-security-watchdog-scan.fly.devfrom $0.014 endpoints - Ssoftbot-walletcheck-mainnet.softbot.workers.devSocial & people
Solana wallet profile: verdict (established/new/suspicious/inactive) with reasons from SOL balance, token holdings, wallet age (first tx), 24h/7d activity, program-account detection, bot-like pattern heuristic and OFAC sanctions match. Use when an agent is about to pay, airdrop to, trade with, trust or whitelist an unfamiliar Solana wallet. Not financial advice.
Solanasoftbot-walletcheck-mainnet.softbot.workers.devfrom $0.0051 endpoint - Ssocial.scrapemole.workers.devSocial & people
Use to see what programmers on Lobsters are discussing right now: returns up to 25 stories from the hottest or newest page, optionally filtered to one tag, with title, URL, score, comment count, tags, submitter and time.
Basesocial.scrapemole.workers.devfrom $0.0018 endpoints
SmartPerps by AgentGateSocial & peopleSmart-money positioning for one Hyperliquid perp: how the 120 most profitable Hyperliquid accounts (30-day PnL, public leaderboard, rules-based) are positioned right now: traders long vs short, long/short/net notional in USD, bias (strong long / lean long / mixed / lean short / strong short), 1h and 24h net notional flow, snapshot age, cohort coverage. Fail-closed: stale or low-coverage snapshots
Basesmartperps.agentgate.workers.devfrom $0.0031 endpoint- Llink-rel-pingbackSocial & people
Change watch for does site use owl carousel: runs the check, compares it with the result from your previous call for the same domain (kept 90 days) and returns the current answer, changed true/false, the fields that changed with before/after values, and when it was last seen. Schedule it to be alerted when this changes. $0.02 per check.
Basesite.intel.rallylive.cafrom $0.0148 endpoints - Ssemagram.ioSocial & people
Profile details and latest posts of named Telegram channels, groups, and bots, read live
BaseSolanasemagram.iofrom $0.012 endpoints - TTELAGO Domain Age & RDAPSocial & people
Free TELAGO Korea geocode discovery preview for AI agents. Shows the paid $0.001 Korea address geocode endpoint and building-enrichment capabilities without an API key.
Baseozeejewwpjmabshxyitc.supabase.cofrom Free36 endpoints - NNamewhereSocial & people
Namewhere: Company name to official website domain, with confidence and evidence.
Basenamewhere.cybermaxtools.comfrom $0.0021 endpoint - NNamewhereSocial & people
Namewhere: Company name to official website domain, with confidence and evidence.
Basenamewhere.cybermax-tools.workers.devfrom $0.0021 endpoint - Iis-fandom-com-downSocial & people
Change watch for is trello com down: runs the check, compares it with the result from your previous call for the same query (kept 90 days) and returns the current answer, changed true/false, the fields that changed with before/after values, and when it was last seen. Schedule it to be alerted when this changes. $0.02 per check.
Basemonitor.intel.rallylive.cafrom $0.0114 endpoints - MMnemoSocial & people
Write a memory for the delegating user: fact, preference, instruction, decision or transient state with TTL. Tier B stores client-side ciphertext the server cannot read.
Basememory.reversecaptcha.funfrom $0.0016 endpoints - Landing en 24hSocial & people
Validate an Argentine tax ID (CUIT/CUIL): checks length, prefix and modulo-11 check digit offline, and returns normalized and formatted values plus entity type (person/company). Send {cuit}. Nothing is stored.
BasePolygonlandingen24h.comfrom $0.00118 endpoints - CCrypto Microdata for AgentsSocial & people
Live Korea kimchi premium: Upbit KRW vs global USD for BTC and ETH, plus USD/KRW FX. Korea crypto arb/sentiment signal. Optional symbols=BTC,ETH filter. Alias: /kr/kimchi-premium.
Basekr-x402-mvp.kgy5612.workers.devfrom $0.00163 endpoints - KKlearFlow RelaySocial & people
Inspect a real business revenue opportunity using KlearFlow scoring and revenue-leak economics.
Baseklearflow.vercel.appfrom $0.0051 endpoint - ipv4.fr network toolsSocial & people
HTTP response headers of a public URL (HEAD request, redirects reported, not followed).
Baseipv4.frfrom $0.00214 endpoints - Iis-ip-alibabaSocial & people
Bulk is ip tencent: up to 20 ips in one call, processed concurrently, results in input order with a per-item error field and a failure count. Same answer per item as the single endpoint. Batch enrichment for agents that hold a list. $0.10 per batch.
Baseip.intel.rallylive.cafrom $0.0116 endpoints - IInjectScanSocial & people
Prompt-injection scan for text your AI agent is about to read (web pages, emails, tool output, MCP tool descriptions): risk score 0-100, verdict, categories and exact spans. Detects instruction overrides, jailbreak personas, system-prompt extraction, fake chat delimiters, data-exfiltration URLs, tool hijacking, hidden Unicode and encoded payloads. Deterministic rules, no data stored.
Baseinjectscan.agentgate.workers.devfrom $0.0031 endpoint - HHirePulseSocial & people
Detect website technologies, ad pixels and DNS signals from a home page, HTTP headers, cookies and up to two public Google Tag Manager containers. Single domain. No browser JavaScript execution. Blocked, unreachable and nonexistent websites, and pages where no technology was detected (no_signals), are not charged.
Basehirepulse-gateway.hirepulse-commerce-sandbox.workers.devfrom $0.013 endpoints - Ggibai.appSocial & people
Bitcoin and digital-asset adoption scores for the world's 100 largest banks, as CSV. Answers questions like: does a given bank offer Bitcoin custody or trading, how has its position changed, and which banks lead. One row per scoring change since the index began, each with the bank, the activity (custody, trading, stablecoins, tokenization and 12 more), old and new values, a reason, a primary sourc
Basegibai.appfrom $0.015 endpoints - Ffunding.payforapi.comSocial & people
Live and historical crypto token prices (BTC, ETH, SOL, any symbol, CoinGecko id or chain:0x… address) — USDC on Base
Basefunding.payforapi.comfrom $0.0056 endpoints - FFomoScanSocial & people
Resolve a FOMO trader by stable user id (User.id or thesis authorId from a prior call). Prefer this once you have stored an id — cheaper and stable vs handle. Returns the current profile including wallets. Do not pass a handle or wallet.
Solanafomoscan.devfrom $0.019 endpoints - RReadr HTTPCheckSocial & people
HTTP endpoint health checker: follows the redirect chain of any URL, reports per-hop status codes, total timing, final URL and response headers. Query params: url (required), maxHops (optional, default 10).
Basefailure.zo.spacefrom $0.00032 endpoints - EEVM WatchdogSocial & people
EVM Watchdog: npm/Foundry dependency advisories split by on-chain vs toolchain surface, plus known Solidity bug-class leads, for a public GitHub repo. A scan, not an audit.
Baseevm-watchdog-scan.fly.devfrom $0.014 endpoints - Eenrich-domainSocial & people
Return RDAP registration, subdomains, and HTTP headers for a domain.
Baseenrich.node01.orgfrom $0.011 endpoint - Eenrich-b2b-account-firmographicsSocial & people
Company-Enrich Autonomous B2B Account & Firmographics Node: Enriches corporate domains with firmographics, technographics, and executive OSINT.
Baseenrich.agentdiet.devfrom Free1 endpoint - Ddeal-radar-x402Social & people
Recent SEC Form D private-placement filings parsed into scored leads (0-100 with reasons): issuer, website and domain when EDGAR has one, industry, related persons and roles, offering amount, amount sold, amount remaining, investor count, use of proceeds, placement agent / broker-dealer with CRD, fund vs operating company, and the sec.gov filing link. Missing values are null. Up to 25 leads per ca
SolanaBasedeal-radar-x402.vercel.appfrom $0.012 endpoints - DDevX Crypto Link CheckSocial & people
Phishing / impersonation check for crypto links before an agent or person connects a wallet or signs: brand lookalikes & typosquats of 60 wallets/exchanges/dapps, punycode, domain age (RDAP), DNS, redirects, and a page scan for seed-phrase prompts and approval-drainer code. 1-10 URLs per call.
Basecrypto-link-check.nextill-pos.workers.devfrom $0.0051 endpoint - Ccompany-enrichSocial & people
AgentDiet Semantic Distillation (/v1/distill) — Strips 85-97% of HTML token bloat
Basecompany-enrich.agentdiet.devfrom Free5 endpoints - Ccompany-enrichSocial & people
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.
Basecompany-enrich-72343955726.us-central1.run.appfrom Free5 endpoints - Bbluepages.fyiSocial & people
Batch check up to 50 addresses/Twitter handles. Returns existence flags for each.
Basebluepages.fyifrom $0.0014 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.