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kas402 — pay-per-call APIs for AI agents
Pay-per-call APIs for AI agents. Speech, image, search, scraping — pay with USDC (x402) or Lightning (L402). No accounts, no API keys.
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83 % |
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x402node — Developer & Data Tools for AI Agents
x402node — precise, deterministic developer and data tools for AI agents. Chain data, parsing, crypto, conversion. Pay-per-call over x402, settled in USDC on...
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83 % |
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NanoAPI — Pay-per-use APIs for AI agents (image processing + Solana data)
Pay-per-use APIs for AI agents: image processing and Solana data endpoints. $0.001-$0.01 USDC per call on Base or Solana via x402 protocol. No signup or API...
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81 % |
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x402engine — Pay-per-call APIs for AI Agents
125 production APIs behind HTTP 402 micropayments. 87 LLMs, Kling V3 and Hailuo video generation, image generation, code execution, travel search, web scrapi...
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81 % |
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FiatDock — the MCP marketplace where AI agents buy services per call
A marketplace where AI agents discover MCP services and buy them from other agents per call in USDC over x402 — paid straight to the seller's wallet, charged...
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80 % |
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AGENTS ONLY
AGENTS ONLY — generative pixel art NFT PFP collection on Base. 21,000 max, $1 USDC each, sold only over the x402 protocol (HTTP 402), so it is purchasable by...
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80 % |
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x402inference — pay-per-token inference, no account, no signup
OpenAI-compatible inference gateway paid in USDC on Base via x402 batch-settlement. No account, no whitelist — open an escrow channel with one deposit and pa...
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80 % |
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Hood x402 | Paid APIs on Robinhood Chain
Paste a URL, set a USDG price, and get back an x402 protected endpoint with integration code you can copy. No coding needed.
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80 % |
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Live x402 APIs — pay per call in USDC | SWARM
Four live x402 endpoints, $0.02 to $0.99: research reports with linked sources, GitHub code-health scans, and utilities. Pay per call in USDC on Base — no si...
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80 % |
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Larkin — authorization for x402 agent payments
Your API takes x402 payments. Larkin answers who is actually paying — trust scoring + signed receipts for the agent economy.
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79 % |
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x402 Explained: How HTTP 402 Payments Work
x402 in plain language: the server answers 402 Payment Required with a machine-readable price, the client pays exactly that and asks again. No account, no key.
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79 % |
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x402pay — Understanding the x402 payment protocol
A clear, independent guide to x402: how the HTTP 402 payment protocol works, who's building with it, and how to choose between facilitators and wallets.
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79 % |
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The Nano Argument — Why AI Agents Should Use Nano (XNO) for Payments
A reasoned case for Nano (XNO) as the ideal currency for AI agent payments. Feeless, instant, permissionless, and already working over x402 protocol.
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79 % |
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PulseFeed — the trust layer for x402 agent payments
Independent trust & safety oracle for the x402 agent-payment economy. Verify an endpoint before your AI agent pays it — liveness, scam detection, on-chain re...
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79 % |
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fx402 - fx, with a wallet
A fork of fx, the tiny native coding agent, with x402 payments built in. It discovers paid endpoints, asks before it spends, and pays in USDC on Base.
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79 % |
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chipscan — on-chain due diligence for AI agents
Meme-token security audits and chip-structure lifecycle analysis, sold per-call to AI agents via x402. USDC on Base. No account, no API key.
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78 % |
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Transparent — the Canton Network API
Fast, reliable access to Canton Network data through a plain JSON API — no participant node to run. Pay per call with credits or x402, or earn by connecting...
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78 % |
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x4.run — Machine-payable runs
A focused x402-native surface for metered agent runs paid over HTTP.
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78 % |
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x402 - Payment Required | Internet-Native Payments
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78 % |
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x402ai — Agent-Native AI Microservices
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78 % |
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