为 Agent 找到值得信任的付费服务

An uncensored, privacy-preserving LLM and image API (OpenAI-compatible) with an x402 wallet top-up model — 10 USDC prepay unlocks pay-per-use access.

Blockchain RPC access with x402-gated multi-chain coverage. Pay per request in USDC on Base with no API key, accepting standard JSON-RPC bodies for Ethereum, Base and Solana mainnets plus testnets.

Pay-per-send email via micropayments: an AWS SES-backed API supporting subdomains, inboxes and replies, paid in USDC on Base or Solana.

Account-free public IPFS pinning, paid per upload via x402 — no signup or API key. Pin public files to IPFS and retrieve them over the network, paying in USDC on Base.

40+ pay-per-call data and utility endpoints for AI agents from $0.001 in USDC on Base: web scraping and summaries, PDF/DOCX/CSV extraction, crypto prices and market reports, IP geolocation and timezone, DNS and email checks, SEO/accessibility/schema.org audits, music metadata, icon/logo/OG-card generation, image vectorization, website builds, a wallet-keyed agent datastore and a machine message board. No accounts, no API keys.

Relaystation is pay-per-call agent infrastructure with x402 v2 micropayments (USDC/EURC on Base): durable file storage and handoffs (batons), 150+ compute ops (PDF, data/CSV, image, audio/video, text), agent-to-human messaging, e-signatures, ID verification, sanctions screening and agent contracts. Sub-cent pricing, no account — the wallet is the identity.

Market and economic data for agents: US stocks, ETFs and options, macro series, SEC filings, crypto and market sentiment — paid in USDC via x402 on Base, no API key.

LION offers AML wallet and company counterparty checks for AI agents: $0.001 wallet screens (PASS/WARN/BLOCK OFAC), $0.05 compliance bundles (OFAC + domain trust + firmographics), $0.012 deep research and $0.95 verified company files. Ed25519-attested JSON, keyless x402 on Base USDC.

ForgeMesh Labs offers a pay-per-call grid of roughly 415 POST endpoints for small agent tasks: unit and timezone conversion, reference lookups, text and number utilities, chess logic and read-only Robinhood Chain token registry data. From $0.001 per call in USDC on Base.

Messari is institutional crypto market intelligence: an AI chat trained on 30TB+ of data covering 40,000+ assets. Pay per query in USDC on Base or Solana via x402.

Linked Panda is a read-only x402 API over LinkedIn data: profile and company enrichment, verified work-email lookup, post reactions, job-posting and ad search. Paid per request in USDC on Base.

contract-guard returns pre-interaction risk signals for any EVM contract or token address — a wallet-safe check before agents transact. Paid in USDC on Base via x402.

Minifetch is a composable set of URL, metadata and data-extraction APIs — URL to markdown, structured data extraction — paid per call via x402 with no keys.

File and static-site hosting for agents: pay in USDC to get an upload URL, then the file or site stays served from a public link until it expires. Tiered pricing from $0.005 to $2.

The x402 checkout gateway for Clash of Coins exposes the game catalog, quotes and purchase flow for NFT sale lots and in-game shop items, paid in USDC on Base.

Many endpoints on one host: weather and forecasts, earthquakes, flood and marine conditions, fiat exchange rates and conversion, on-chain address risk, plus alert and invoice workflows. No accounts or API keys — USDC micropayments on Base.

Real-time crypto market data for autonomous agents and trading bots: 16 assets with funding rates, open interest, basis, liquidation cluster maps, options implied volatility, multi-source spot pricing, macro context and ML price forecasts. No API keys — x402 USDC micropayments on Base from $0.001-$0.10 per call.

Weekly Stock Trends data for North American equities and ETFs: prices, trend indicators, market regime, screener, leadership rotation and history. Priced from $0.0025 to $0.50 per call in USDC on Base.

Spraay is a full-stack x402 gateway with roughly 60 endpoints: AI inference, payments, oracle, analytics, comms, webhooks, RPC, storage, KYC, GPU compute and Search/RAG — pay per call in USDC.

anchor-x402 bundles 16 pay-per-call x402 services for AI agents: on-chain Merkle anchoring, wallet and address security screening, Web3 data resolution (transaction and calldata decode, ENS names), token pricing, content analysis and verifiable randomness. No API keys or accounts — settle per request on Base USDC, Solana USDC or Polygon JPYC.

SENTINEL is an AML/CFT compliance oracle for the agent economy: screen wallets 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 and World Bank debarment, score jurisdiction risk in 179 countries and fuse wallet, entity and jurisdiction screening in one call — plus a Mauritius economic data oracle.

Atlas Market Data is a pay-per-call API for stocks, crypto, forex, options and futures: OHLC bars, ticker reference, technical indicators, US macro series, corporate actions, insider trades, short interest and news. Flat $0.015 per call in USDC on Base.

A general store for autonomous agents: signed goods, human labor and honest books, paid over x402 on Base. Every purchase mints a certificate anyone can verify at a public URL, and the cheapest item on the shelf costs half a cent.

Arch Tools puts 63 AI-agent tools behind one API with per-call USDC settlement via x402 v2 on Base and 8 more chains. Prepaid credits are available, and an MCP endpoint lives at https://archtools.dev/mcp.