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Router.so - Headless Forms Documentation

docs.router.so · visit site →

Probe-verified · tier 2 · checked 23 Aug 2026

Documentation for Router.so, an open source tool for managing forms and capturing leads with API and self-hosting options.

form management documentationvia mintlifyformslead captureapiendpoints

What we tested

Probed live on 23 Aug 2026 against rubric v1. 4 of 5 checks passed.

PROBE-VERIFIEDtier 2 of 3
✓Markdown negotiationAccept: text/markdown
✓Markdown twin at a predictable URL/page.md
✓llms.txt/llms.txt
—API catalogRFC 9727
✓MCP server answers/.well-known/mcp/server-card.json → tools/list

What its MCP server offers

We connected, ran tools/list, and recorded what came back on 23 Aug 2026. 3 tools, served from routerso.main-kill-isr.mintlify.me — the standard set for sites on mintlify.

search_router_so_headless_formsquery_docs_filesystem_router_so_headless_formssubmit_feedback

What an agent could do here

Read from the page’s own content, with the wording each was drawn from. Inference is kept separate from tested facts — an agent completing the action is tier 3.

UNVERIFIED
read“Fetch the complete documentation index at: https://docs.router.so/llms.txt”
https://docs.router.so/llms.txt
read“Follow our quickstart guide to set up Router.so quickly”
https://docs.router.so/forms/endpoints/
read“Learn how to use Router.so's API to create leads”
https://docs.router.so/api-reference/introduction/
read“Discover how to self-host Router.so for complete control and customization”
https://docs.router.so/open-source/self-hosting/

Context

4,827 sites in the index share the type documentation, of which 1,248 are transactional.

How we grade

Three tiers. Every listing shows which one it has reached, and when. The rubric.

tier 1
Declared
The site says agents are welcome in its robots.txt. A permission, not a capability.
✓
tier 2
Probe-verified
We fetched the site and tested each signal ourselves. Dated, repeatable, re-checked on a schedule.
this site · 23 Aug 2026
tier 3
Behaviourally verified
An agent completed the action end to end — booked, bought, submitted — and it worked.
coming
Own this site?

1 check did not pass when we last looked: API catalog. Each is a small, specific fix; the rubric says exactly what we look for.

Behavioural verification — an agent completing your booking, purchase or contact flow end to end, with the date published here — opens to a small founding cohort first. Leave an email to be in it.

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Record generated from a live database query. Method: about the index.