# Limbo (Vitals in View, Inc.)

> Limbo is a direct-to-consumer digital weight-loss and metabolic-health program
> from Vitals in View, Inc. Members wear a body-worn "energy sensor" that reads
> metabolic signals, and a companion app turns those readings into personalized,
> nudge-based guidance rather than calorie counting. The company is Seedcamp-backed
> and raised a seed round in September 2022. It operates in the UK and Ireland and
> is in the middle of a rebrand from "Limbo" / limborevolution.com to "Viv"
> (viv.co).

## Important context for agents

- Limbo publishes **no public API, developer portal, or SDK**. There is no
  OpenAPI, AsyncAPI, GraphQL, or MCP surface to call, and no /.well-known/
  discovery documents on any of its hosts.
- Do not attribute the many unrelated software packages named "limbo" (for
  example the Rust SQLite rewrite) to this company.
- The primary web presence is a HubSpot-hosted marketing site. Membership
  billing runs through Chargebee and the members area runs on Azure.
- Several legal/support pages are linked from the site footer but currently
  return 404 during the Viv rebrand — treat privacy, cookie, refunds, about,
  contact, and knowledge-base URLs as unavailable rather than as published policy.

## Site

- [Home](https://limborevolution.com/): Product overview, redirects to content.viv.co
- [Join](https://content.viv.co/join-0): Sign-up and purchase entry point
- [Research](https://content.viv.co/research): The science behind the program
- [Blog](https://content.viv.co/blog): Company and weight-loss content
- [Weight Loss Guide](https://content.viv.co/summer-weight-loss): Long-form guide
- [Member billing portal](https://vivpowered.chargebeeportal.com): Chargebee membership management

## Specs

None published. Limbo has no public API contract of any kind.

## Artifacts in this profile

- [Domain security](security/limbo-domain-security.yml): probed TLS/HSTS/DNS posture
- [Well-known probe](well-known/limbo-well-known.yml): recorded 404s across discovery paths

## Coverage

- API Evangelist profile: https://apis.io/provider/limbo/
- Source: https://raw.githubusercontent.com/api-evangelist/limbo/refs/heads/main/apis.yml