为 Agent 找到值得信任的付费服务

Pay-per-request access to third-party web search and enrichment APIs — Exa, Firecrawl, Clado, Google Maps, Whitepages, Reddit and PDL — behind a single no-auth endpoint, paid in USDC on Base or Solana.

Exa is an AI-native neural web search API built for agents. Pay per query via x402 with no API keys or accounts — get semantic, meaning-based results instead of keyword matching.

X/Twitter data for agents: tweet search, user profiles, followers, lists and communities as X v2 compatible JSON, plus write endpoints such as posting and interactions. Paid per request in USDC on Base via x402.

Loyal Spark powers onchain loyalty programs on Base: loyalty token deployment, minting to customer wallets, rewards catalogs, vouchers and P2P exchange, usable by agents over REST or MCP.

agentutility is a large pay-per-call catalog of x402 endpoints for AI agents — hundreds of tools covering PDF and document conversion, web scraping, transcription, image and video generation, on-chain and finance data, plus developer utilities. No signup or API key; every endpoint advertises its own schema and USDC price on Base or Solana.

glim.sh returns live data from Twitter, Reddit, the web, GitHub, Amazon, YouTube and Telegram, plus a chat-completions-compatible inference endpoint. Pay per call in USDC on Base via x402.

Nansen on-chain analytics for agents: wallet labels, Smart Money flows and Token God Mode, monetized per call via x402 on Base and Solana.

cn402 is a pay-per-call API for Chinese calendar and culture data: lunar and solar calendars, jieqi, BaZi astrology, I Ching, feng shui, hanzi to pinyin and simplified/traditional conversion, TCM references and China geo lookups. Priced from $0.002 to $0.16 in USDC on Base and Solana.

Public social media data across TikTok, Instagram, YouTube, X, LinkedIn, Facebook, Reddit and more, priced at $0.06 per call. Aggregates third-party scraping providers (Scrape Creators, Data365, Lightreel) behind one x402 endpoint set.

Otto AI is a DeFi assistant swarm: 37 services covering market intel, news, token analytics and trading execution across Base, Polygon and Solana, paid per call via x402.

A pay-per-call proxy over DefiLlama public data: DeFi TVL, yield pool APY, token prices, DEX and fee volumes and stablecoin supply across 30 endpoints at $0.005 per call in USDC on Base. Operated by x402 Atlas, not affiliated with DefiLlama.

2s.io exposes 316 keyless, pay-per-call endpoints across 95+ categories for AI agents — no signup or API keys, just pay per request. Coverage spans patents and trademarks (USPTO), legal records (CourtListener), government and economy (SEC EDGAR, Census, World Bank, Federal Register), finance and markets, science and medicine (arXiv, PubMed, ICD-10), vehicles and aviation (NHTSA), geo and weather, business registries (GLEIF), sanctions screening (OFAC), cybersecurity (CVE/EPSS) and web utilities.

108 pay-per-call AI and data APIs for agents — 72 LLMs plus image, video, audio, web, code, crypto, wallet, travel and utility endpoints. Pay per request in USDC on Base, MegaETH or Solana, no API keys or subscriptions.

NetIntel is a pay-per-call network and domain intelligence API — DNS, SSL/TLS, WHOIS/RDAP, email security (SPF/DKIM/DMARC), IP geolocation/reputation/risk and OSINT, plus LLM-backed text tools (classify, translate, summarize, sentiment, structured-JSON extraction). 69 endpoints, USDC on Base via x402, no API keys — just a wallet. An MCP server (netintel-mcp) is available.

x402scan ecosystem datasets over a paid API: merchants, resources, buyers, facilitators and the origin registry, priced per call in USDC on Base.

OnchainPulse is a pay-per-query intelligence API for onchain finance: pre-trade token safety verdicts on Solana and EVM, RWA and tokenized-asset data, crypto regulation summaries, ETF flow figures and a terminology decoder, all as structured JSON.

Market data for AI agents: stock quotes, earnings and news, crypto prices, DeFi TVL and yields, gas prices, SEC filings, FX rates and AI-generated analysis. Prices range from $0.001 to $0.08 USDC per call on Base.

A pay-per-call API over Google Trends: interest over time, interest by region within a country, plus related topics and queries — built for keyword research and search-demand analysis. Returns JSON, billed in USDC on Base.

Mycelia Signal is a signed cryptographic price oracle: Ed25519-signed canonical price and econ attestations for agent consumption, covering 38 price pairs and 19 econ indicators.

vaaya is the agent payment system: one MCP server that lets any agent call paid APIs — image/video generation, product demos, web search and scraping, deep/market research, lead enrichment, GTM, sandboxes, browser automation and email — pay-per-call with no API keys.

Search gift cards, eSIMs and mobile top-ups and pay for them in USDC via x402 with no account. Bitrefill endpoints cover catalog search, product detail, invoice creation, payment and status across Base, Arbitrum, Polygon and Solana.

Deepline is a pay-per-call GTM data API on Base: company and person enrichment, work and personal email lookup, phone and LinkedIn lookup, decision-maker identification and ad intelligence. Hosted via AgentCash, exposing Deepline tooling.

Real-time Strait of Hormuz crisis data for AI agents: full vessel manifests with OFAC sanctions cross-reference, full-resolution transit and index history, one-call situation snapshots and the complete daily brief. $0.01-$0.02 per request in USDC on Base, no key or account.

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