x402 List

x402 Protocol Service Directory

All x402 Services

SERVICES ── 62 total ── showing 62 ── for live status visit /status

All x402 services with description, category, endpoint count, per-request price, and supported networks. Click a column header to sort.
NAME DESCRIPTION CATEGORY EP $/REQ NETWORKS
SolSigs 20 Solana data endpoints for AI agents, paid via x402 micropayments in USDC. No API keys, no subscriptions - agents pay per call. blockchain 20 $0.001 SOL
Jeeves-DeepSeek Pay-per-call DeepSeek chat API via x402 micropayments. No signup, no API keys -- just a USDC wallet on Base. Full chat completions endpoint compatible with any x402 client. AI 1 $0.003 BSE
Bulk DMARC Record Lookup Give this tool a list of domain names and it will instantly check each one's DMARC email security record. DMARC is a standard that tells email providers how to handle fake or spoofed emails pretending to come from your domain. For each domain you submit, you get back whether a valid record exists, what the policy is (none, quarantine, or reject), whether reporting addresses are set up, and the full raw record text. Perfect for auditing many domains at once without any setup. Other 1 $0.01 BSE
Sivut Public Data APIs x402-paid public data APIs on Base USDC: SEC crypto filing radar, SEC CSV snapshots, filing markdown, x402 seller intelligence, seller scoring, page markdown, and public-site contact/opportunity briefs. Data 8 $0.003 BSE
Greenwood Financial Intelligence Real-time SEC EDGAR insider trading signals, congressional STOCK Act disclosures, FEC political contribution monitoring, and compound signals — cross-referenced and scored. Pay per query via x402 on Base mainnet. No subscriptions, no API keys. Finance 7 $0.002 BSE
Skim Skim is the x402-native clean reader for AI agents: send a URL, get back agent-ready markdown plus structured metadata in milliseconds. Pay per call in USDC over HTTP 402 - no signup, no API keys. In a production benchmark - 15 real paid calls to skim402.com over the public internet, each verifiable on-chain - Skim ran 2.3x faster than Firecrawl at the median. Its clean output also runs about 4x smaller than raw HTML, because it strips the ads, newsletter popups, and navigation your agent doesn't need. Endpoints for single reads, JS-rendered pages, batch reads, and structured extraction. Content 4 $0.002 BSE
AsterPay Trust, discovery and EUR settlement layer for AI agent payments. KYA agent trust scoring (0-100) with sanctions screening and ERC-8004 identity, x402 micropayments, crypto/market analytics, and USDC to EUR SEPA Instant settlement aligned with MiCA. Finance 3 $0.001 BSE/POL
AIScan AI visibility auditing for websites, pay-per-capability via x402 on Base. 15 endpoints: cheap HTTP checks (llms.txt, Schema.org, MCP discoverability) from 0.06 USDC, full category scores (AEO, GEO, Agent Readiness, MCP Readiness) 0.15-0.20, complete 80+ check audit 0.35, copy-paste fix generation 0.55, competitor gap analysis 0.80. The only scanner with MCP Readiness scoring. Free capability catalog at /api/agent/index. AI 15 $0.06 BSE
PopaDex Personal Finance Reference API Read-only personal finance reference-data and calculation API for AI agents: tax estimates, disposable-income comparisons, sub-central tax rates, and social-security contribution data. Finance 4 $0.01 BSE
LedgerBrain x402 KYA KYT KYE Compliance API x402 pay-per-use KYA, KYT, and KYE crypto compliance API for AI agents. Provides address risk reports, transaction risk screening, entity due diligence, compliance risk screening, and auditable report outputs via USDC payments on Base. No LedgerBrain API key required for x402 endpoints. Blockchain 3 $1.00 BSE
TrustBoost PII Sanitizer Privacy firewall for autonomous AI agent pipelines. Sanitizes PII before text reaches LLMs. x402 native — returns HTTP 402 with PAYMENT-REQUIRED header. 8 languages including LATAM (RFC/CUIT/CPF). Proof of Sanitization anchored on Solana via Helius. EU AI Act compliant. AI 1 $149.00 SOL
AgentLair AgentLair is identity, trust, and infrastructure for AI agents. Anonymous x402-payable endpoints: pay 0.001 USDC for an A2A AgentCard trust audit, 0.005 USDC to resolve an agent handle to its DID + JWKS, 0.01 USDC to query a trust score, or 0.0001 USDC to submit behavioral events. No API key required — payment is authentication. AI 5 $0.000 BSE
WDH.sh — QR Codes QR code generation for agents, paid per call in USDC on Base via x402. Other 1 $0.001 BSE
MadeOnSol MadeOnSol delivers real-time Solana memecoin intelligence via x402 micropayments — pay per request in USDC on Solana, no API keys or subscriptions. Endpoints cover a live KOL wallet trade feed (1,000+ tracked wallets), KOL convergence/coordination signals, PnL leaderboards, trading pairs, hot & trending tokens, and Pump.fun deployer alerts. Each call returns structured JSON with KOL identity, token details, and on-chain enrichment. Data 7 $0.005 SOL
Insurance DOI Bulletin Feed (x402) Normalized state Department of Insurance bulletins and NAIC Model Law 668 adoption feed. Micropayment-gated REST API via x402 protocol. Supports Polygon (eip155:137) and Arbitrum (eip155:42161) chains with USDC payments. Pricing: $0.001/request for bulletins, $0.002/request for search. Data 4 $0.001 POL
LiquidPad Pay-per-request LiquidPad endpoints. Verify whether a token was deployed via LiquidPad (ERC-8004 anchored), get full agent provenance with fee split, or read the full agents registry snapshot. blockchain 3 $0.001 BSE
TradeOS Crypto Intelligence Plain read-only crypto intelligence APIs for agents, dashboards, screeners, and research workflows. Finance 9 $0.15 BSE
AgentHub Low-cost x402 utilities for AI agents: prompt-injection scanning, URL inspection, Markdown storage, JSON validation, sanitized page hosting, and website auditing. Paid endpoints use Base mainnet USDC via x402; fixed demos only show response shape. ai 6 $0.003 BSE
Agent Tools 9 agent-native utility tools — DNS health, WHOIS, email validation, IP geolocation, URL health, HTTP headers analysis, QR codes, text extraction, tech stack detection. REST API + MCP server with x402 micropayments on Base mainnet. Data 9 $0.001 BSE
GDELT News Intelligence API AI-friendly JSON API for global news intelligence built on GDELT. Provides recent news, sentiment, geographic distribution, translingual coverage, and entity graph endpoints via x402 payments on Base USDC. Data 5 $0.01 BSE
SolSigs Pay-per-call Solana blockchain intelligence — live DEX prices, arbitrage scanning, wallet scoring, token launch detection, Polymarket odds, chain narrative summaries, and aggregated RPC relay. 7 endpoints under HTTP 402 with USDC micropayments on Solana. Blockchain 7 $0.001 SOL
websearch Obscura headless browser through a custom Rust API. ~100ms results. $0.01 Data 5 $0.01 BSE
Fia Signals x402 crypto market-intelligence and token-risk API for autonomous agents, led by a delivery-verified /fear-greed checkout route on Base USDC. Finance 7 $0.03 BSE
true402 The machine-native marketplace (bazaar) — agents discover and pay for services with HTTP 402 (USDC on Base). No accounts, no API keys; the wallet is identity. Stalls: LLM inference (OpenAI-compatible, 340+ models) and SEO/GEO web-page audit. AI 2 $0.000 BSE
EconDash Global macroeconomic data API with 753 indicators across 298 countries. AI agents get pay-per-call access to GDP, inflation, employment, trade, and other World Bank/FRED/OECD indicators. Returns structured JSON with time series, rankings, country profiles, and metadata. Designed for agent-driven economic analysis, dashboards, and automated research. Data 15 $0.02 BSE
Crinkl Crinkl provides real-time, verified, identity-free commerce signals from U.S. consumers who are rewarded in Bitcoin for purchase participation. Agents can buy privacy-safe aggregate demand insights without raw receipts, wallet histories, or personal data. Data 6 $0.001 BSE/SOL
402s.shop 12 utility endpoints (QR codes, screenshots, OG images, PDF rendering, web scraping, WHOIS, YouTube transcripts, AI summarization) priced from $0.001 USDC on Base mainnet. Two payment rails: x402 (autonomous, no signup, no key) or pre-paid credits (card / 100+ cryptos via NowPayments). Hosted MCP server included for Claude Desktop / Cursor / Cline. Other 12 $0.001 BSE
Askew Security and DeFi intelligence for AI agents. Live DeFi yield comparison across 5 chains (DefiLlama-sourced), SOL/ATOM staking routing (native vs liquid), Guardian security threat summary, agent-economy research search, and a combined strategic feed. USDC micropayments on Base mainnet via xpay.sh facilitator. Free preview at /yields/preview and /health. Finance 5 $0.002 BSE
Find or Verify Email finder and verifier API, paywalled per-call with x402 (USDC on Solana). Data 3 $0.03 SOL
SENTINEL Compliance Intelligence First comprehensive AML/CFT compliance oracle for the agent economy. Screen wallet addresses against 12,997+ sanctioned crypto addresses (OFAC SDN, USDT/USDC Blacklists, Ransomwhere, OpenSanctions, UK OFSI). Search 1.1M+ entities across OFAC/UN/EU sanctions, PEPs, Interpol wanted, World Bank debarment. 179-country jurisdiction risk scoring. Compound intelligence endpoints fuse wallet + entity + jurisdiction screening in one call. Plus Mauritius economic data oracle (forex, fuel, stocks, weather, macro, monetary). ERC-8004 Agent #27961 on Base. CDP Facilitator integrated. Finance 11 $0.001 BSE
AxonGate AxonGate is an x402-paid Clean Context Broker on Base. It converts public web pages into clean Markdown for RAG, autonomous research, and LLM context preparation. Data 1 $0.03 BSE
DeepBlue Trading API Pay-per-call crypto market intelligence: 5-min trading signals (BTC/ETH/SOL/XRP momentum), fear/greed index, on-chain whale tracking, Polymarket prediction market analytics. Live autonomous trading bot with verified track record. USDC via x402 (Base/Solana). Top-converters: /market-mood and /whale-moves at $0.01/call. Finance 12 $0.001 BSE
Satoshi API Satoshi API is Bitcoin fee intelligence for AI agents. It gives wallets, bots, and agent workflows send-now-or-wait timing guidance, next-block fee pressure, transaction context, and fee-estimator accuracy through x402 pay-per-call endpoints. Data 5 $0.005 BSE
Fly Labs Agentic Market Pay-per-call data APIs for AI agents. YouTube transcripts and engagement data settled in USDC on Base via x402. Versioned JSON schemas, no signup, no keys. Coinbase CDP facilitator. Data 2 $0.02 BSE
AgentNews The frontpage of the agentic internet — AI agents bid to post, vote, and comment. All actions gated by x402 micropayments on Base. Content 3 $0.50 BSE
Spraay Gateway Full-stack x402 gateway: AI inference, payments, oracle, analytics, comms, webhooks, RPC, storage, KYC, GPU compute, Search/RAG. ~60 endpoints. AI 4 $0.008 BSE/SOL
AgentMail API-first email inboxes for AI agents. Full SDK surface is payment-gated: inboxes, messages, threads, attachments, websockets. AI 1 $2.00 AVX/BSE/POL/SOL
Robtex DNS, IP, AS, and Lightning Network intelligence. 53 endpoints covering DNS lookups, reverse DNS, IP geolocation, BGP/ASN analysis, reputation scoring. Data 4 $0.005 BSE
AskClaude Pay-per-query Claude (Haiku/Sonnet/Opus) plus 8 packaged tools. No subscription, no account. AI 5 $0.01 BSE
Neynar Farcaster protocol data API (users, casts, feeds, reactions). x402 pay-per-request in USDC on Base. Data 3 $0.01 BSE
Interzoid Data-quality APIs — name matching, company standardization, email validation, company intelligence. 50+ endpoints x402-payable. Data 3 $0.01 BSE
Zerion Wallet, DeFi portfolio, and on-chain data API. Pay-per-request x402 on Base and Solana with no API key. Data 3 $0.01 BSE/SOL
StableEmail Pay-per-send email via micropayments. AWS SES backend. Supports subdomains, inboxes, and replies. USDC on Base or Solana. AI 3 $0.02 BSE/SOL
Mycelia Signal Signed cryptographic price oracle. Ed25519-signed canonical price/econ attestations for agent consumption. 38 price pairs + 19 econ indicators. Data 2 $0.01 BSE
Browserbase Pay-per-use headless browser sessions for AI agents. No API keys, no accounts — pay with crypto via x402 on Base. Compute 2 $0.002 BSE/SOL
Pinata Account-free public IPFS pinning, paid per upload via x402. No signup or API key required. Content 1 $0.001 BSE
Venice AI Uncensored, privacy-preserving LLM and image API (OpenAI-compatible). x402 wallet top-up model with 10 USDC prepay. AI 1 $10.00 BSE/SOL
Stakevia Pay-per-request Solana validator due-diligence reports. Blockchain 1 $1.00 SOL
Otto AI AI-powered DeFi assistant swarm — 37 services covering market intel, news, token analytics, trading execution. Multi-chain (Base, Polygon, Solana). AI 3 $0.001 BSE/POL/SOL
SocioLogic RNG Cryptographically secure RNG (CSPRNG with rejection sampling). Random ints, UUIDs, dice, coin flips, weighted samples. Data 3 $0.01 BSE
QuickNode Blockchain RPC provider with x402-gated multi-chain access. Pay-per-request in USDC on Base with no API key. Compute 3 $0.000 BSE/BSP/POL/SOL
Nansen On-chain analytics — wallet labels, Smart Money flows, Token God Mode. Monetized per-call via x402 on Base + Solana. Data 3 $0.01 BSE/SOL
CoinMarketCap Pay-per-call cryptocurrency market data (quotes, listings, metadata) via x402 micropayments. Data 1 $0.01 BSE
Messari Institutional crypto market intelligence — AI chat trained on 30TB+ data covering 40,000+ assets. USDC on Base or Solana. Data 1 $0.25 BSE/SOL
CoinGecko Crypto price and on-chain DEX data API. x402-gated endpoints for agents — pay-per-call USDC on Base or Solana. Data 3 $0.01 BSE/SOL
Snack Money Micropayment API — send USDC "Snacks" (tips, rewards) to social identities (X, Farcaster, GitHub, email, domain). Single and batch payments. Finance 3 $0.01 BSE/SOL
Gloria AI Real-time crypto news intelligence — headlines with sentiment, feeds, recaps. Paid per-call in USDC on Base. Data 3 $0.03 BSE
ActionGate x402 + Stripe billing proxy for APIs/MCP servers. Ships built-in safety tools: risk-scoring, simulation, policy-gate. AI 3 $0.02 BSE
Exa AI-native semantic/neural web search API. Pay-per-query via x402 for agents without API keys. AI 1 $0.007 BSE
Minifetch Composable URL/metadata/data extraction APIs — URL to markdown, structured data extraction. Data 1 $0.002 BSE/SOL
GoldRush x402-native blockchain data — balances, NFTs, transactions, DEX, pricing across 100+ chains. Currently on Base Sepolia testnet. Data 2 $0.000 BSP
httpay Pay-per-call API marketplace — 300+ endpoints. Token intelligence, MEV risk, yield, copy-trade, gas-optimizer, universal gateway. Finance 3 $0.02 BSE
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