AI tools that accept USDC on Arc
Circle’s layer 1 network built for stablecoin payments. 15 listings accept payment on Arc, sorted A to Z by name. Paid placements never change this order.
We check 15 of these 15 listings every day without paying. On the latest check 14 were up and 14 answered with a valid x402 payment request; paid calls we measured start at $0.001 per call (median $0.006). Status data as of Nov 10, 2026, 6:52 AM ET.
| Tool | Protocol | Networks | Tokens | Price / call | Verified |
|---|---|---|---|---|---|
| Agent402 | x402 | Base, Solana, Polygon | USDC, Global Dollar | $0.001–$0.005 | 2026-10-22 |
| anchor-x402 | x402 | Base, Solana, Polygon | USDC, JPY Coin | $0.001–$1.77 | 2026-10-22 |
| Argos Bot CTS Bridge API | x402 | Base, Arc | USDC | $0.005–$0.012 | 2026-10-30 |
| corpusAI | x402 | Base, Polygon, Arbitrum | USDC | $0.05–$3 | 2026-10-22 |
| Exa | x402 | Base, Solana, World Chain | USDC | $0.001–$0.007 | 2026-10-22 |
| InsumerAPI | x402 | Base, Solana, Polygon | USDC | $0.05–$0.15 | 2026-10-22 |
| ip402.xyz | x402 | Base, Solana, Polygon | USDC | $0.01 | 2026-10-22 |
| Locus Property Research | x402 | Base, Solana, Polygon | USDC | $0.05–$0.1 | 2026-10-22 |
| LoneStarOracle | x402 | Base, Solana, Arc | USDC, USDG | From $0.005, most calls $0.05 | 2026-10-25 |
| MapleAI | x402 | Base, Solana, Polygon | USDC | From $0.001 (varies by model and tokens) | 2026-10-27 |
| ochinimus | x402 | Base, Solana, Polygon | USDC | $0.005–$0.05 | 2026-10-22 |
| SCVD General Store | x402 | Base, Solana, Polygon | USDC | $0.001–$21 | 2026-10-22 |
| SECONDED | x402 | Base, Arc | USDC, Global Dollar | $0.25 | 2026-10-22 |
| SiteCheck API | x402 | Base, Solana, Polygon | USDC | $0.002 | 2026-10-26 |
| Vextorium | x402 | Base, Solana, Polygon | USDC | $0.003–$0.004 | 2026-10-22 |
Order: A to Z by name. We don’t rank by price, popularity or usage, and we don’t publish third-party usage statistics.
Questions
- How many AI APIs accept payment on Arc?
- 15 listings in our directory accept payment on Arc. Largest categories: dev infra (3), trust security (3), crypto data (2), data apis (2).
- Which tokens do Arc APIs accept?
- USDC (15), Global Dollar (2), JPY Coin (1), USDG (1). Tokens are as each service lists them; a token may be offered on some networks only.
- Do these APIs accept other networks too?
- 13 of 15 accept three or more networks. Open a listing to see every network it takes.
All networks: x402 APIs by blockchain network · multi-chain x402 APIs
Keep exploring
Guides
- What is x402? HTTP 402 payments for APIs and AI agents
- HTTP 402 Payment Required status code explained
- x402 for AI agents: how an agent pays for APIs in USDC
- USDC micropayments: sub-cent payments for APIs and AI agents
- What is MCP? The Model Context Protocol explained
- Agent payments: how AI agents pay for APIs, data and compute
- How to accept USDC for your API (pay-per-call with x402)
- AI agent payment protocols compared: x402, MPP, AP2, ACP and L402
- Pay-per-call AI APIs: no account, no API key, pay in USDC
- How to pay for an API with USDC via x402 (step by step)
- Best x402 APIs for AI agents, by task
- Crypto wallet sanctions screening APIs that accept x402, compared
- Paid MCP servers that accept USDC: x402 pay-per-call MCP tools for AI agents
- Where to list your x402 API: Agentic.Market, x402scan, 402 Index, Agent402, x402dash, x402-trust and PayAPI Market
- Pay-per-call web scraper API for AI agents: URL to Markdown with WebRead (x402)
- x402 agent verification: check an AI agent is registered and verified with AgentGate
- Prompt injection detection API for AI agents: scan text, web pages and MCP tools (InjectScan)
- Domain and email verification API for AI agents: DNS, SPF/DMARC, domain age and disposable checks (DomainCheck)
- OFAC sanctions check API for crypto wallets: screen an address before your agent pays it (PayGuard)
- Check npm dependencies before an AI agent installs them: vulnerable and malicious package API (PkgGuard)
- Website tech stack detection API: a pay-per-call BuiltWith / Wappalyzer alternative for AI agents (StackDetect)
- Base token honeypot checker API for agents that handle tokens (TokenVerdict, x402)
- Is it safe to sign? Pre-sign check API for AI agent wallets (SignCheck)
- Add x402 trust checks to OpenAI Agents SDK and Vercel AI SDK agents
- Prepaid credits for x402 agent APIs: pay once, call with a Bearer key
- x402 vs API keys for AI agents: which should your agent use?
- Check an x402 payTo before your agent pays (CounterpartyCheck)
- Solana token safety check API for agents that handle SPL tokens (SolVerdict, x402)
- Why your x402 endpoint isn't in x402 directories and indexers (and how to fix it)
- Is your site blocking GPTBot and ClaudeBot? Check llms.txt and robots.txt for AI agents (AgentReady)
- Where's funding cheapest to go long BTC right now? How to compare perp funding across venues (PerpRadar)
- Backtest a moving-average cross for your trading agent for 5 cents (TASignal)
- Redact seed phrases and API keys before your AI agent sends them to an LLM (LeakGuard)
- How to read Hyperliquid smart-money positioning from an agent (SmartPerps)
- How an AI agent can find and live-check a paid x402 API for a task (ToolPick)
- Build a read-only crypto trading-research agent with LangGraph or Mastra and x402 MCP tools
- Will Hyperliquid reject this order? A pre-trade order check for trading agents (PerpCheck)
- Audit your agent's tool list before it runs: token cost, schema errors and MCP server checks (ToolFit)
- Give the model 5 tools, not 50: route each agent task to the tools it needs (ToolRoute)
- Currency converter API for AI agents on ECB reference rates (FXRate)
- Crypto price API for AI agents: price snapshots and 24h movers (CryptoPrice)
- Speech-to-text API for AI agents, pay per audio minute (Transcribe)
- x402 facilitators: what they do, how to choose, and a list
- OpenRouter 429 and 402 errors: what they mean and how to fix them
Rankings
- Best x402 APIs
- New this week
- x402 market snapshot (data)
- x402 API prices per call (data)
- State of x402: November 2026 (report)
- x402 traffic report (data)
- AI tools that accept USDC on Base
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