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Circuit and Chisel

Autonomous AI payments infrastructure

Overview

Circuit & Chisel builds the core payments infrastructure that lets autonomous AI agents transact on the web. Its main product, the Agent Transaction Protocol (ATXP), is a web-wide communications standard similar to HTTP but for AI agent payments. ATXP lets AI agents discover services, request payments, and complete the entire commerce lifecycle without human help, including real-time decisions, nested transactions, and microtransactions across the internet. The company differentiates itself by combining AI, crypto engineering, and fintech experience from founders who previously led crypto and AI partnerships at Stripe, aiming to create a new class of agent-driven commerce. Its goal is to establish ATXP as the foundational backbone for financial interactions among intelligent agents, enabling automated payments and monetization across services and data access on the web.

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About Circuit and Chisel

Simplify's Rating
Why Circuit and Chisel is rated
B-
Rated B on Competitive Edge
Rated B on Growth Potential
Rated C on Differentiation

Industries

Enterprise SoftwareFintechCrypto & Web3AI & Machine Learning

Company Size

11-50

Company Stage

Seed

Total Funding

$19.2M

Headquarters

Fairfield, CT

Founded

2025

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What believers are saying

  • June 2026 ATXP surpassed one million accounts and topped x402, MPP volumes.
  • ATXP Music generated 30,000 songs, validating pay-as-you-go AI monetization.
  • Stripe, Coinbase Ventures, Solana Ventures, and Samsung Next back ecosystem distribution.

What critics are saying

  • x402 and MPP can commoditize ATXP once standards harden in 2027.
  • One million transactions and 500,000 users still trail mainstream payments networks massively.
  • If ATXP Music, Pics, and Chat stall, Circuit & Chisel becomes protocol theater.

What makes Circuit and Chisel unique

  • Louis Amira and David Noël-Romas bring Stripe crypto-and-AI payments expertise.
  • ATXP unifies discovery, usage pricing, and settlement for autonomous agents.
  • April 2026 x402 and MPP leaderboard wins prove working agentic-commerce infrastructure.

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Funding

Total Funding

$19.2M

Above

Industry Average

Funded Over

1 Rounds

Seed funding is usually the first official round after pre-seed, when a startup has a prototype or concept. It’s typically used to develop the product, test the market, and start building the team. Investors here are often angel investors or early-stage venture capitalists.
Seed Funding Comparison
Above Average

Industry standards

$3.3M
$2M
$2.3M
$3M
$19.2M

Growth & Insights and Company News

6 month growth

8%

1 year growth

8%

2 year growth

8%
PR Newswire
Apr 16th, 2026
Circuit & Chisel tops AI commerce leaderboards with agentic payment platform ATXP

Circuit & Chisel, creator of agentic commerce platform ATXP, has topped the x402 and MPP leaderboards for machine payments and agentic commerce activity. The company has launched three pay-as-you-go products: ATXP Music for song generation, ATXP Pics for text-to-image creation, and ATXP Chat for multi-model AI access. ATXP-powered products have welcomed 500,000 users and surpassed one million transactions, with ATXP Music generating 30,000 songs in recent weeks. The platform enables AI agents to autonomously transact and access tools without subscriptions or credit card paywalls. Backed by Primary VC, ParaFi and Stripe, Circuit & Chisel builds infrastructure for agent-to-agent payments. CEO Louis Amira said the platform was created to enable AI agents to transact without human intervention.

The Mirror Democrat and Savanna Times-Journal
Apr 16th, 2026
Circuit & Chisel tops x402 and MPP leaderboards with new ATXP product rollouts.

Circuit & Chisel tops x402 and MPP leaderboards with new ATXP product rollouts. * 2 hrs ago PR Newswire NEW YORK, April 16, 2026 ATXP Music, ATXP Pics, and ATXP Chat demonstrate what builders can launch with agentic commerce infrastructure NEW YORK, April 16, 2026 /PRNewswire/ - Circuit & Chisel, creators of agentic commerce platform ATXP, today reached the top of the x402 and MPP leaderboards, two of the most closely watched public benchmarks for activity across machine payments and agentic commerce. The milestone reflects growing demand for infrastructure that enables AI agents to autonomously transact, access tools, and operate with usage-based pricing from the start. The announcement comes alongside Circuit & Chisel's rapid growth and rollout of three pay-as-you-go products: ATXP Music, ATXP Pics, and ATXP Chat, a set of products built on ATXP, Circuit & Chisel's worldwide platform for AI agents to independently act across the internet. Together, the launches show how builders can turn their ideas into real AI products while eliminating subscriptions, credit card paywalls, or fragmented billing systems. The products include: * ATXP Music: enables users to describe a song and generate a finished track with vocals in under a minute; * ATXP Pics: turns text prompts into images in seconds * ATXP Chat: gives users access to hundreds of frontier models in one place, with auto-routing designed to reduce costs on less-complex prompts. In recent weeks, ATXP-powered products welcomed their 500,000th user and surpassed 1,000,000 transactions. ATXP Music alone has generated 30,000 songs in the last few weeks and product usage is continuing to grow. "A year and a half ago, we created ATXP around a simple belief: AI agents would need a way to transact without human intervention," said Louis Amira, Co-founder and CEO of Circuit & Chisel. "In 2025, that rapidly became obvious to everyone that built an agent. Overall, we hope this serves as an invitation and encouragement to experiment and build the things they've been dreaming about." As x402 and MPP continue to become more neutral and compatible with other players, ATXP is moving activity into those ecosystems as part of a broader shift toward simpler, shared systems for AI payments. All of this feeds into the bigger idea that the next wave of AI products need more than intelligence, they'll need to handle payments, find and use tools, and run on their own in the background. ATXP is built to support that, so builders can launch faster, grow more easily, and build AI products the way people actually use them. About Circuit & Chisel Circuit & Chisel is an agentic AI payments startup building the infrastructure to power transactions between intelligent agents. Backed by Primary VC, ParaFi, and Stripe, Circuit & Chisel is developing ATXP, a new standard for agent-to-agent payments that supports real-time decision-making, nested transactions, and autonomous tool discovery. The company was founded by former Stripe and Google leaders with deep expertise in AI, crypto, and financial systems. Circuit & Chisel is enabling a future where AI can transact, discover, and operate independently, unlocking new efficiencies for businesses and accelerating the next wave of AI innovation. SOURCE Circuit & Chisel

PR Newswire
Sep 22nd, 2025
Circuit & Chisel Secures $19.2 Million and Launches ATXP, a Web-Wide Protocol for Agentic Payments

/PRNewswire/ -- Circuit & Chisel, an agentic commerce platform, today announced $19.2 million in seed funding to launch ATXP, a web-wide protocol that enables...

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