x4PayAPI Market

Generate a calendar invite (

Generate a calendar invite (.ics file) from event details. Returns a valid RFC 5545 iCalendar VEVENT with title, start and end time, timezone, location, and attendees that can be emailed or imported into Google Calendar, Outlook, or Apple Calendar. Use when an agent needs to schedule a meeting or send a calendar invitation.

1 route settlement-verified · $0.002 USDC/request · 1 endpoint · Verification · base network · x402 protocol

Verified routes

Other routes are unverified.

Networks: Base (settlement-verified)

Discovery is free. Agents search the catalogue here. Payment happens on the listing 402, not on PayAPI.

url https://payapi.market/mcp

About this API

Generate a calendar invite ( is listed in the Verification category with pricing at $0.002 USDC/request. One route has been settlement-verified by PayAPI Market on 2026-10-21. View receipt on Basescan.

Payments settle on base in USDC via the x402 protocol. AI agents discover this API through the PayAPI Market MCP server and pay per request without API keys or accounts.

This API exposes 1 endpoint.

How to call this API

Every protected route returns HTTP 402 with x402 payment requirements. An agent pays the stated USDC amount on Base and retries with the payment header. No API keys, no accounts. Browse the marketplace or list your own API.

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