Visa APIs, now in your AI coding tools
Discover with Ask AI, test with Scenario Runner, build with MCP.
Discover: find the right products on the new Visa Developer portal
The redesigned Visa Developer portal features a cleaner navigation structure and clearer paths to documentation and API references.
We've also added Ask AI, a new AI assistant that helps you discover, learn, and integrate Visa products faster. Ask a question and get answers drawn from Visa docs, code samples, and integration guidance, plus product recommendations.
Evaluate: see the whole flow in Scenario Runner
Once you know which products fit, see how they behave together. Pick a scenario, such as a successful transaction, a decline, or a reversal, and step through it with the real request and response at every step. Scenarios can chain calls across multiple Visa products, so you can validate a complete workflow before writing any integration code. When you're done, download the full run or create a sandbox project straight from the results page. Scenario Runner is publicly available, no sandbox project or registration required.
Build and run: Visa in your AI tools
When you're ready to write code, bring Visa into the tools you're building in. Visa now supports MCP in two ways: the Visa Developer MCP for building integrations, and Visa Agent MCPs for AI agents that act on Visa products at runtime.
Visa Developer MCP
Connect one server and your AI assistant can search Visa documentation, read API schemas, and see how products work together, right inside VS Code, Cursor, Claude Code, Cline, or Codex. Ask which Visa product handles a payout to a bank account in Brazil, and your assistant gets the product, the request schema, and the required fields, then scaffolds the call from there.
Everything the server returns is generated and versioned from Visa's own API specs, so your assistant works against the API you're actually calling. It's read-only, so it can't touch accounts or move money.
{
"mcpServers": {
"visa-developer": {
"url": "https://developer.visa.com/mcp"
}
}
} Shown for Claude Code. Setup for VS Code, Cursor, Cline, and Codex is in the Getting Started guide.
Use it any time you're designing or building a Visa integration.
Visa Agents MCP
When your AI agents need to execute Visa actions in production, each participating product now has its own MCP server, with its own capabilities, scoped access, and authentication. Visa Agent MCPs are rolling out product by product, starting with Visa Direct, Visa Intelligent Commerce, and select Visa Commercial Solutions products, and are available to anyone with a Visa Developer account.
The Visa Developer team