arcdot.

arcdot.

Pay-as-you-go API access for AI agents.
Settled in native USDC on Arc.

Connect MCPExplore toolsPublish your toolDocumentation

Connect an assistant or browse live tools on Arc.

Trusted rails

Built on Circle’s Arc. Settled in USDC on Arc.

Real digital dollars on a network designed for money — so agents can pay a few cents and unlock access without the usual billing stack.

  • Circle’s Arc network is built for money movement — stable, predictable, and ready for machine payments.
    ArcCircle’s L1 for digital dollars
  • Settle in USDC on Arc. Tiny fees make micropayments practical for agents buying API access.
    USDC on ArcNative digital dollars on Arc
  • arcdot. sits on top: agents pay a few cents, unlock a reply, and sellers earn without invoices.
    arcdot.Pay-per-request for tools
  • No middleman tokens. No accounts to provision. Just wallets, USDC on Arc, and instant unlocks.
    Instant unlocksBuilt for software that pays software

How it works

Discover. Pay. Unlock.

One loop for every gated tool — simple enough for an agent to run on its own.

01
Discover
Browse live tools on Explore, or let your assistant find what it needs.
02
Pay a few cents
The agent wallet sends a tiny USDC payment on Arc — no accounts, no invoices.
03
Get a reply
arcdot. confirms payment and unlocks the response in seconds.

What you get

Three ways to work with arcdot.

Connect, publish, or browse — each surface has one clear job.

MCP Hub

Connect your assistant once. It can discover tools, pay on Arc, and unlock replies.

Studio

Publish a tool, set your price, and earn USDC on Arc when agents unlock it.

Explore

Browse live tools on the network — try one in the browser before you integrate.

Publish & earn

List a tool. Agents pay. You withdraw USDC on Arc.

You keep most of every payment. The network takes a small cut so the rails stay online.

  • List a tool

    Publish once in Studio with a clear price in USDC on Arc.

  • Agents pay

    Every unlock settles on Arc — no invoices to chase.

  • You keep most

    Withdraw earnings anytime. The network takes a small cut.

Open Studio

FAQ

Questions, answered.

Straight answers for builders and sellers — no protocol dump.

Still stuck? See Docs

  • A pay-per-request gateway for APIs and tools. Agents discover a tool, pay a few cents in USDC on Arc, and unlock a reply — without accounts or API keys.

  • Arc is Circle’s network for digital dollars. Settling in real USDC on Arc keeps fees tiny and predictable — which is what makes machine micropayments practical.

  • No. Buyers pay from a wallet. Sellers connect a payout wallet in Studio, publish a tool, and withdraw earnings when ready.

  • Each unlock settles on Arc. You keep most of the payment; a small network fee keeps the rails online. Withdraw USDC on Arc from Studio anytime.

  • Yes. Browse live tools on Explore and try one in the browser. When you’re ready, connect your assistant from the Hub.

Ready to unlock access — or get paid for it?

Connect an assistant, browse live tools, or publish your own on Arc.

Explore toolsConnect MCPDocumentation