Circle Docs
Circle Docs is Circle's hosted x402 facilitator for USDC settlement on Arc, Base, and Polygon PoS. It is ranked #23 on the Dev Radar, in Backend & APIs, first seen 2 days ago and shared in 3 posts (136.3k views).
Facilitator Service - Circle Docs Documentation Index Fetch the complete documentation index at: /llms.txt Use this file to discover all available pages before exploring further. Skip to main content Circle Docs home page Search... ⌘ K Ask Assistant ⌘ I Search... Navigation Facilitator Service Facilitator Service Get started Assets Build onchain Crosschain transfers Agent stack Payments Liquidity services API reference Developer tools x402 facilitators Facilitator Service Facilitator Service Copy page Copy page Circle’s hosted x402 facilitator for USDC settlement on Arc, Base, and Polygon PoS Copy page Copy page Facilitator Service is…
What people said about Circle Docs on X
Agentic payments are live on Arc. Our Facilitator Service gives x402 builders a hosted path to accept Circle-issued USDC, with onchain settlement supported on Arc, Base, and Polygon. No relayer keys. No separate gas wallet. Just a cleaner path for agents to discover, pay, and keep moving.…
— @arc, 15 h ago · 592 likes · see the post
Circle x402 Facilitator Service is now live on Arc and also supports processing for Base and Polygon POS. Let your agents and APIs loose! https://developers.circle.com/facilitator-service
— @jerallaire, 2 days ago · 372 likes · see the post
Agentic payments are live on Arc. Our Facilitator Service gives x402 builders a hosted way to accept Circle-issued USDC on Arc, Base, and Polygon without running their own relayer or funding separate gas wallets. You build the service. Agents pay for it. https://developers.circle.com/facilitator-service
— @circle, 18 h ago · 313 likes · see the post
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Circle Docs in numbers
- Rank on the Dev Radar: #23 of 1225
- Shared in 3 posts by 3 accounts: @arc, @jerallaire, @circle
- 136.3k views on those posts
- First seen 2 days ago, last shared 15 h ago
- Pricing seen by Jev: not stated
- Market: Backend & APIs
FAQ
What is Circle Docs?
Circle's hosted x402 facilitator for USDC settlement on Arc, Base, and Polygon PoS It was first shared on X 2 days ago and is ranked #23 on the Dev Radar.
Is Circle Docs free?
Pricing is not stated on the page we read.
Who shared Circle Docs?
3 accounts on X, including @arc, @jerallaire, @circle, in 3 posts totalling 136.3k views.
Every post is read and classified by Jev (TypeSafe): what it is, which market it belongs to, and whether the link is a real tool. 11.2k posts from 4.9k X accounts over the last 21 days, 1.2k tools, 12 markets. Collected every 5 minutes, fully re-ranked every hour — last update 2026-09-19 16:08 UTC. Full method.