# JupiterSignup (jupitersignup.com)

Builds signup pages from a plain-language description, collecting card or Venmo payments and tracking who has signed up.

- Atlas card: https://inite.ai/en/atlas/jupitersignup.com
- Site: https://jupitersignup.com
- For: Organizers of classes, camps, workshops, events and free RSVPs who want a signup form without learning a form builder
- Categories: finance
- Use 0/100 · alive 70/100

## Used for

- Take card payments for a paid multi-week class series
- Cap spots and run a waitlist for a full session
- Collect free RSVPs with head counts for an open studio

## Price

- from 10 USD/month, free plan (read 2026-10-20 on https://jupitersignup.com/pricing)

## For developers

- API docs: https://jupitersignup.com/developers
- MCP server: com.jupitersignup/jupitersignup (namespace; auth on 2026-10-20)
- MCP server card: https://jupitersignup.com/.well-known/mcp.json
- Read 2026-10-20

## MCP server, measured daily

Server: https://jupitersignup.com/mcp, checked every day since 2026-10-21 (1 checks).

- Answered: measuring, 1 daily checks so far
- Median first answer: 181 ms
- Sign-in: OAuth (the client signs the user in)
- Method: https://inite.ai/en/atlas/mcp/report

## Your data

- Certifications stated: none
- Training on your data: no (https://jupitersignup.com/privacy)
- Read 2026-10-20

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Source: INITE Atlas, https://inite.ai/en/atlas/jupitersignup.com. JSON: https://inite.ai/api/atlas/jupitersignup.com. MCP: https://inite.ai/api/mcp (atlas_lookup).