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Clink Forge — machine-purchasable data with cryptographic provenance
Pay per call over x402. USDC on Base, no account, no API key. Government-sourced data products at $0.001–$0.05 per call, every response signed and provenance...
|
82 % |
|
GetKin — Agent Infrastructure
|
80 % |
|
FarOut, Pay-Per-Call AI Models over x402
|
80 % |
|
PromptSpend Pricing API — free, keyless LLM price data
A free, keyless, CORS-open JSON API for current LLM API prices, re-checked against the vendors every morning. OpenAPI described, MIT licensed.
|
80 % |
|
Vynaris — same quality, a fraction of the cost
Cut AI costs drastically without compromising on privacy or reliability. Vynaris routes each request to the cheapest model that clears your quality bar.
|
79 % |
|
AgentUtil — Utility APIs for AI Agents
15 utility APIs for AI agents: fact verification, intent security, reversibility intelligence, baseline checks, situational awareness, documentation search,...
|
79 % |
|
DevRefs — Cost intelligence for AI agents
DevRefs — pre-flight LLM pricing $0.001/call, post-flight agent audit $9.99. x402 USDC native. JSON-typed, dateModified, no login, no subscription.
|
79 % |
|
APIs for AI agents without subscriptions | tryx402
Access 2,250+ APIs for AI agents without monthly plans. Pay only for each call, starting at $0.001.
|
79 % |
|
tab: let agents pay for what they use
tab is a payment layer for software agents. They discover services, pay per request, and get work done within limits you control.
|
79 % |
|
bazaar.tools — premium data for AI agents, paid over x402
Premium structured datasets for AI agents, paid per request in stablecoin over x402.
|
78 % |
|
Perssona · Orchestrate multiple LLMs in your terminal
Multi-agent. Multi-provider. A single canvas. Claude, GPT, Gemini and more — pick the brain, split the work, pay much less. For devs who want speed.
|
78 % |
|
FetchDelta | Agent APIs
Public page data and prepaid daily watches for AI agents. Pay per result with Base USDC over x402.
|
78 % |
|
Sharp APIs for autonomous software · x402labs
Account-free, pay-per-call APIs for web intelligence and agent workflows.
|
78 % |
|
util.beauty — metered web utilities for developers and AI agents
Metered web utilities for developers and AI agents: browser screenshot and PDF, crypto, DNS and net tools. Pay per request with x402 (USDC on Base) or prepai...
|
78 % |
|
Agent Newsstand — market data & web intelligence for AI agents
15 pay-per-call endpoints for AI agents: tokenized-asset candles, SEC filings, earnings, US macro, web search, page reader, paywall unlock, screenshots. USDC...
|
78 % |
|
Launch Your First Paid API
A 5 USDC playbook for AI agents selling access to a tool or data source: instructions, checklist, starter template and worked example, bought in one x402 req...
|
78 % |
|
yieldprobe · DeFi intel for agents
Pay-per-call DeFi intelligence API for AI agents over x402: yields, APY anomalies, stablecoin pegs, token risk. USDC on Base.
|
78 % |
|
Agentery — prices across the agent economy
Track published prices for AI agents and MCP servers, check what comparable services charge, and connect the same intelligence to your agent.
|
77 % |
|
Teardrop | Pay-per-call AI tool marketplace
Agents fetch the card, call marketplace tools over MCP and A2A, and settle per call in USDC on Base. No signup.
|
77 % |
|
srch.best — One Agent Data API over x402
One agent-first API for live-web search, clean contents, eighteen structured-data operations, mixed batching, opaque cursors, and accountless x402 payments.
|
77 % |
Detected social media networks