# Sail Biomedicines

> Sail Biomedicines is a Cambridge, Massachusetts preclinical biotechnology company formed in
> October 2023 when Flagship Pioneering merged Laronde and Senda Biosciences. It pairs Laronde's
> Endless RNA (eRNA) circular-RNA platform with Senda's programmable nanoparticle delivery
> chemistry and applies generative AI to the combined dataset, aiming at in vivo CAR-T for
> autoimmune disease — reprogramming a patient's T cells inside the body instead of extracting,
> engineering and reinfusing them. In July 2026 Johnson & Johnson committed $785M up front plus
> up to $140M in milestones and took an exclusive option to acquire the company for $2.58B.
> The legacy catalog slug for this company is `laronde`.

## Status

Sail Biomedicines publishes **no public API**, no developer portal, no SDK, no documentation site
and no machine-readable contract. Probed 2026-08-23 against `www.sail.bio` and `sail.bio`:
`/openapi.json`, `/openapi.yaml`, `/swagger.json`, `/v1/openapi.json`, `/api-docs`, `/docs`,
`/redoc`, `/graphql`, `/llms.txt`, `/.well-known/security.txt`,
`/.well-known/openid-configuration`, `/.well-known/oauth-authorization-server`,
`/.well-known/oauth-protected-resource`, `/.well-known/api-catalog`, `/.well-known/ai-plugin.json`,
`/.well-known/agent-card.json` and `/.well-known/agent.json` all returned 404 (the apex 301s to
www). `api.`, `docs.`, `dev.`, `developer.`, `data.`, `platform.`, `mcp.`, `app.`, `portal.`,
`ir.` and `investors.sail.bio` are all NXDOMAIN. No first-party package exists on npm, PyPI,
RubyGems, crates.io, NuGet, Maven Central, Packagist or pkg.go.dev, and no GitHub organization
belonging to the company was found. The one machine-readable surface on the domain is the stock
WordPress core REST API at `https://www.sail.bio/wp-json/` (200, 252 routes, all core/plugin) —
the CMS behind a marketing site, not a product API, and deliberately not catalogued as a contract.

**This file is generated by API Evangelist from the catalog profile. It is not published by
Sail Biomedicines.**

## Company

- [Sail Biomedicines](https://www.sail.bio/): Company website.
- [About Us](https://www.sail.bio/about-us/): Company, leadership and merger history.
- [Our Science](https://www.sail.bio/our-science/): eRNA, programmable nanoparticles and the AI design layer.
- [Our Programs](https://www.sail.bio/our-programs/): In vivo CAR-T and vaccine pipeline.
- [Careers](https://www.sail.bio/careers/): Open roles.
- [Contact](https://www.sail.bio/contact/): Contact form and Cambridge, MA address.

## News

- [News](https://www.sail.bio/news/): Press releases and coverage.
- [Newsroom](https://www.sail.bio/newsroom/): Newsroom landing page.
- [Press Releases](https://www.sail.bio/article-category/press-releases/): Company announcements.
- [In the News](https://www.sail.bio/article-category/in-the-news/): Third-party coverage.
- [Sail Stories](https://www.sail.bio/stories/): Long-form science explainers.
- [RSS feed](https://www.sail.bio/feed/): WordPress feed.

## Elsewhere

- [Flagship Pioneering profile](https://www.flagshippioneering.com/companies/sail-biomedicines): Founding investor's company page.
- [LinkedIn](https://www.linkedin.com/company/sail-biomedicines)
- [X / Twitter](https://twitter.com/SailBiomeds)
- [Forge Global secondary-market listing](https://forgeglobal.com/laronde_stock/): The `laronde` listing this catalog entry was harvested from.

## Legal

- [Terms of Service](https://www.sail.bio/terms-of-service/)
- [Privacy Policy](https://www.sail.bio/privacy-policy/)

## API Evangelist

- [APIs.json profile](https://raw.githubusercontent.com/api-evangelist/laronde/refs/heads/main/apis.yml)
- [Domain security probe](https://raw.githubusercontent.com/api-evangelist/laronde/refs/heads/main/security/laronde-domain-security.yml)
- [.well-known probe](https://raw.githubusercontent.com/api-evangelist/laronde/refs/heads/main/well-known/laronde-well-known.yml)
- [Packages](https://raw.githubusercontent.com/api-evangelist/laronde/refs/heads/main/packages/laronde-packages.yml)