usefulapiEventzilla MCP server
Read Eventzilla events, tickets, orders, attendees and users; open or close ticket sales. Hosted by usefulapi: connect it to Claude, ChatGPT, Cursor or any MCP client.
What can I ask?
Turn on the Eventzilla connector, then ask in plain words. The AI picks the tools.
- Which of my events are coming up and what are their dates?
- How many tickets have been sold for my next event?
- List the attendees registered for my spring workshop.
- Show the recent orders for my next event.
What you can do with Eventzilla in Claude and ChatGPT
For event organizers who sell tickets and manage registrations in Eventzilla.
See your events with tickets sold
The AI lists your events with dates, venue, status, tickets sold and total, and opens one for its details. You see how sales are going.
List the attendees of an event
The AI lists the attendees of one event with ticket type, check-in status, order reference and answers to registration questions. You can prepare a guest list.
Review the orders of an event
The AI lists the orders of one event with order reference, date, amount, number of tickets and status, and opens one order. You can sum up sales.
Check ticket types, prices and sales windows
The AI lists the ticket types of an event with price, quantity, sales window and limits, and the donation options. You can compare tickets.
Open or close ticket sales for an event
The AI publishes or unpublishes ticket sales for one event. When sales are off, attendees cannot buy tickets on the event page.
Changes dataHow do I connect Eventzilla?
Before you connect
The login page asks for your Eventzilla API key.
Create it in Eventzilla under Settings → Developers → API Credentials. Your key is used only to call the Eventzilla API on your behalf; it is never shown to anyone.
Claude claude.ai · Desktop
- Open Customize → Connectors, then click + Add → Add custom connector.
- Enter the name Eventzilla and this URL, then click Add:https://
eventzilla. usefulapi. io/ mcp - Claude opens the login page: enter your Eventzilla API key.
- In a chat, click + → Connectors and turn on Eventzilla.
Team and Enterprise: an Owner adds the connector for the organization first.
ChatGPT chatgpt.com
- Open Plugins, click +, then Add custom MCP server.
- Enter the name Eventzilla and this URL, choose OAuth as the authentication, confirm the warning and create it:https://
eventzilla. usefulapi. io/ mcp - ChatGPT opens the login page: enter your Eventzilla API key.
- In Plugins, install Eventzilla, then choose it in a chat.
No Add custom MCP server option? It depends on your account or workspace settings: see OpenAI's guide.
Claude Code
Run this command, then run /mcp in Claude Code to log in:
Cursor
Add to Cursor or add this to ~/.cursor/mcp.json:
{
"mcpServers": {
"eventzilla": {
"url": "https://eventzilla.usefulapi.io/mcp"
}
}
} VS Code
Add to VS Code or add this to .vscode/mcp.json:
{
"servers": {
"eventzilla": {
"type": "http",
"url": "https://eventzilla.usefulapi.io/mcp"
}
}
} Codex
Run these commands. The second one opens the login page:
Other clients
Windsurf, Cline, Zed and other MCP clients: add this URL as a remote MCP server (Streamable HTTP). The client then opens the login page in your browser.
Add only the URL. Do not add an Authorization header or an API key to the client config. The server signs you in with OAuth: the login page asks for your Eventzilla API key. If the config has such a header, remove it: some clients then send that header instead of the login token, and every call fails with 401.
Pricing
| Plan | Price | Limit |
|---|---|---|
| Free | $0 | 50 tool calls / month |
| Proper account | $9/mo · $90/yr | 10,000 tool calls / month |
| Pro+per account | $39/mo · $390/yr | 100,000 tool calls / month |
Each paid plan covers this Eventzilla server only. Ask your AI to run eventzilla_upgrade and choose Pro or Pro+, billed monthly or yearly (it returns a Stripe Checkout link). If you already have Pro, ask to change it to Pro+. The change requires your confirmation, keeps your billing interval and charges the price difference for the rest of the period immediately. Cancel any time with eventzilla_cancel_subscription: your paid plan continues to the end of the paid period, with no refund for the current period, and asking to resume the same plan with eventzilla_upgrade before then undoes the cancel. Or write to support@usefulapi.io.
Tools 15
Show all 15 tools (the AI picks them for you)
Read only · 10
- List events
eventzilla_list_eventsList the events in the Eventzilla account: id, title, dates and times, venue, status, tickets sold and total, categories and the public URL. Use the id (and dateid) in the other tools. Filter by status and category name. - Get event
eventzilla_get_eventOne event by id: title, description, dates, time zone, venue, status, tickets sold/total, URL, categories. - List event transactions
eventzilla_list_event_transactionsList the orders (transactions) of one event: order reference, checkout id, date, amount, number of tickets and status. Read-only. - List event attendees
eventzilla_list_event_attendeesList the attendees (registrations) of one event: name, ticket type, barcode, check-in status, order reference and answers to registration questions. The API returns the whole list in one reply (no paging). - List ticket types
eventzilla_list_ticket_typesList the ticket types of one event: id, title, price, quantity, sales window and limits, plus its donation ticket options (donation_options). - List event categories
eventzilla_list_categoriesList the event categories (names to use as the category filter in eventzilla_list_events). - Get attendee
eventzilla_get_attendeeOne attendee by id: name, ticket type, barcode, check-in status, order reference, registration answers. - Get transaction
eventzilla_get_transactionOne transaction (order) by checkout id or order reference number: amount, ticket count, status, event date. Read-only. - List organizers
eventzilla_list_usersList the account's organizer and sub-organizer users: name, company, contact details, time zone, user type. - Get organizer
eventzilla_get_userOne organizer or sub-organizer by user id.
Changes data · 1
- Turn ticket sales on or off
eventzilla_toggle_event_salesWRITE: publish (status true) or unpublish (status false) ticket sales of one event. Unpublishing stops attendees from buying tickets on the event page; publishing starts public sales again. Existing orders are not touched and no money moves through this tool. Idempotent.
Your usefulapi plan · 4
- Usage status (free-tier meter)
eventzilla_usage_statusReport the caller's current usage: the plan, calls used this month, the limit of the plan (the free monthly cap or the Pro fair use limit), remaining, and whether the limit is reached. Read-only; does not count against the meter. - Request a missing feature
eventzilla_request_featureTell usefulapi that the user needs something the Eventzilla tools cannot do yet (a missing tool, field or filter). Call it only when the user asks for something none of the tools can do, and tell the user that you send the request. Do not call it for errors or for normal requests. Do not include personal data, credentials or customer records. Stored with the product name and the client type (for example Claude or Cursor), without the user's account. At most 5 requests per day. Does not count against the meter. - Upgrade to Pro or Pro+
eventzilla_upgradeGet a paid plan for Eventzilla (the free tier caps monthly usage). Pro: 10,000 tool calls a month, for normal use — plan "monthly" ($9/month) or "yearly" ($90/year, 2 months free). Pro+: 100,000 tool calls a month, for automations and heavy use — plan "plus" ($39/month) or "plus_yearly" ($390/year). Without a plan it returns both Pro and Pro+, each with a payment link, for the user to choose; with a plan, one link. An existing Pro subscription changes to Pro+ in place: call without confirm first, as the reply states the exact charge for this account (the price difference for the rest of the period, or in a free Pro trial the full Pro+ price, as the trial ends); then call with confirm: true. Cancel any time: the plan then runs to the end of the paid period, so it also suits a one-time job. A link opens Stripe Checkout in the browser; after payment the account upgrades automatically. Does not count against the meter. - Cancel the Pro subscription
eventzilla_cancel_subscriptionCancel the caller's Eventzilla Pro subscription at the end of the paid period (no refund for the current period; Pro continues until then, then the free tier applies). Requires confirm: true. Run eventzilla_upgrade later to undo the cancel before the period ends. Does not count against the meter.
FAQ
What can I do with Eventzilla in Claude or ChatGPT?
See your events with tickets sold. List the attendees of an event. Review the orders of an event. Check ticket types, prices and sales windows. Open or close ticket sales for an event. See what you can do for the details.
Is this an official Eventzilla product?
No. usefulapi is an independent service. It is not affiliated with or endorsed by Eventzilla. The server calls the Eventzilla API with your own Eventzilla access, so it sees only the data that your account can see.
Can I connect Eventzilla to Claude or ChatGPT?
Yes. In Claude, add this server's URL as a custom connector. In ChatGPT, add it as a custom MCP server in Plugins. Then log in once. Cursor, VS Code, Claude Code and Codex work too. See the setup steps.
What do I need to connect?
The login page asks for your Eventzilla API key. See Before you connect for where to find it.
Do I put my Eventzilla key or an Authorization header in the client config?
No. Add only the URL. Do not add an Authorization header or an API key to the client config. The server signs you in with OAuth: the login page asks for your Eventzilla API key. If the config has such a header, remove it: some clients then send that header instead of the login token, and every call fails with 401.
How do you keep my Eventzilla credentials?
The login stores them encrypted in the authorization grant of your connection. The server uses them to call the Eventzilla API for you and to derive a private account id for usage metering. usefulapi does not show them on any page or in any reply. To stop all access, remove the connector and change or delete these credentials in Eventzilla.
Can the AI change my Eventzilla data?
Yes, if you approve it. 1 of the 11 Eventzilla tools can create or change data. The other 10 are marked read-only. Most MCP clients ask you to approve a tool call before it runs.
What does it cost?
The Free plan gives 50 tool calls / month. Pro costs $9/mo or $90/yr, with 10,000 tool calls / month. Pro+ costs $39/mo or $390/yr, with 100,000 tool calls / month. Each subscription covers this Eventzilla server only. Cancel any time: your paid plan then runs to the end of the paid period. Run eventzilla_usage_status to see how many calls you used.
How do I subscribe or cancel?
Ask the AI to run eventzilla_upgrade and choose Pro or Pro+, billed monthly or yearly: it returns a Stripe Checkout link. If you already have Pro, ask to change it to Pro+. After you confirm, your existing subscription changes in place, keeps its billing interval and charges the price difference for the rest of the period immediately. To cancel, run eventzilla_cancel_subscription. Your paid plan continues to the end of the paid period.
What if a Eventzilla tool that I need is missing?
Tell the AI what you wanted to do. It can send the request with eventzilla_request_feature. We store the text with the server name, the type of AI client and the tool you tried, not with your account, and read every request when we plan new tools. You can send up to 5 requests per day.
Which AI clients can I use?
Any client that supports remote MCP servers (Streamable HTTP) with OAuth login: Claude (web and desktop), Claude Code, ChatGPT, Codex, Cursor, VS Code, Windsurf and others.
This is a Model Context Protocol endpoint — meant to be connected from an AI client, not opened in a browser. An invalid_token response at the URL is the auth gate working as designed; clients authenticate automatically.
Need a tool this server does not have, or a connection to another system? We build custom integrations and MCP servers.