Which startups offer payments or checkout rails for AI agents?
The highest-ranked startups offering payments or checkout rails for AI agents in SalesBook are Crossmint, Paid, Orthogonal, Catena Labs and Kite. SalesBook ranks 17 companies in this category from dated public sources and a live check of each company's agent interfaces; the shortlist below links every profile and source.
Updated 2026-10-22 · SalesBook ranking, methodology v0.3.0 · ranks are never for sale. See also all 17 in Agent payments and commerce.
Agentic rankings measure published agent interfaces (MCP, A2A, llms.txt) and the public evidence available, not verified Fortune 500 adoption or procurement approval.
Top 10 startups offering payments or checkout rails for AI agents, ranked
- Crossmint#46Stablecoin and wallet APIs for enterprises, including agent wallets and agentic checkout.
Investors: Ribbit Capital, Franklin Templeton, Nyca, First Round, Lightspeed Faction · Source: theblock.co, checked 2026-10-19 - Paid#53Billing and monetization infrastructure for companies that sell AI agents, including results-based pricing.
Investors: Lightspeed Venture Partners, FUSE, EQT Ventures · Source: geekwire.com, checked 2026-10-19 - Orthogonal#54Single account, key and balance giving AI agents pay-per-use access to 60+ API providers via API, MCP or CLI, incl. x402 payments.
Investors: Pantera Capital, Y Combinator, Pioneer Fund, Decasonic, Blast, Outbound · Source: orthogonal.com, checked 2026-10-22 - Catena Labs#55Banking and governance platform for AI agents (accounts, payments, treasury) and the open-source Agent Commerce Kit.
Investors: a16z crypto, Acrew Capital, Breyer Capital, Circle Ventures, Coinbase Ventures · Source: fintechfutures.com, checked 2026-10-19 - Kite#58Payments and identity layer for AI agents (Agent Passport, agent app store) with stablecoin settlement.
Investors: PayPal Ventures, General Catalyst, 8VC, Samsung Next · Source: fortune.com, checked 2026-10-19 - Basis Theory#84Tokenization vault and payment orchestration that lets merchants and agentic-commerce platforms store and use card data across processors.
Investors: Bessemer Venture Partners · Source: axios.com, checked 2026-10-19 - Channel3#88Product catalog API for AI shopping: search over 100M+ products, commissions and checkout for developers, brands and enterprises.
Investors: Matrix, Y Combinator, Ludlow Ventures · Source: trychannel3.com, checked 2026-10-22 - Skyfire#92Identity and payment credentials for AI agents so they can access sites and pay across the open web.
Investors: Coinbase Ventures, a16z CSX, Circle, Ripple, Gemini, Draper Associates · Source: theblock.co, checked 2026-10-19 - Payman AI#94AI agents that run banking transactions such as payments and transfers for banks and credit unions, with audit trails.
Investors: Visa, Coinbase Ventures · Source: techflowpost.com, checked 2026-10-19 - firmly#96Agentic commerce platform (firmly Connect) that connects merchants' catalogs and native checkout to AI agents and other channels.
Source: firmly.ai, checked 2026-10-22
Questions
Which startups offer payments or checkout rails for AI agents?
The highest-ranked startups offering payments or checkout rails for AI agents in SalesBook are Crossmint, Paid, Orthogonal, Catena Labs and Kite. SalesBook ranks 17 companies in this category from dated public sources and a live check of each company's agent interfaces; the shortlist below links every profile and source.
How is this list ranked?
In SalesBook rank order under methodology v0.3.0, built only from dated public sources. Rankings are never for sale.
When was this list last updated?
2026-10-22: the most recent date a company on this list was checked against its public sources.