For AI agents: a documentation index is available at /llms.txt. Markdown versions of all documentation pages are available by appending .md to the URL path.

Let AI agents discover
and pay for your API.

Get your API listed in Visa CLI.

Existing endpoint

I have an x402
or MPP endpoint already

Your API already speaks HTTP 402. Apply to get listed in the Visa CLI Merchant Registry to reach new users.

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Managed onboarding

I want to
accept agentic
micropayments

Learn more about how we can handle the protocol implementation and enable you to monetize your API. No prior experience needed.

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How it works

Watch an agentic micropayment in action
with a demo of the Visa Spend Momentum Index

Request access to Visa SMI as a paid agent endpoint.

Visa CLI

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Join the beta to install visa-cli and pay gated endpoints from your terminal.

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