# Vapi — Agent Score

> Score: 86/100 (Grade: B) | Docs: https://docs.vapi.ai/quickstart/introduction | Checked: April 3, 2026

Vapi scored 86/100 (B) on Agent Score. 14 of 22 agent-readiness checks passed.

[View full report](https://buildwithfern.com/agent-score/company/docs-vapi-ai-quickstart-introduction)
[All companies](https://buildwithfern.com/agent-score/llms.txt)

## Summary

- Total checks: 22
- Passed: 14
- Warnings: 1
- Failed: 5

## Category Scores

- page-size: 83/100
- observability: 80/100
- url-stability: 100/100
- authentication: 100/100
- content-structure: 100/100
- markdown-availability: 100/100
- content-discoverability: 76/100

## Check Results

### content-discoverability

- [pass] llms.txt found at 3 location(s)
- [warn] llms.txt contains parseable links but doesn't fully follow the proposed structure: https://docs.vapi.ai/quickstart/introduction/llms.txt: No H1 heading found, No blockquote summary found, No markdown links found; https://docs.vapi.ai/llms.txt: No blockquote summary found; https://docs.vapi.ai/docs/llms.txt: No blockquote summary found, No heading-delimited sections found, No markdown links found
- [pass] llms.txt is 38,484 characters (under 50,000 threshold)
- [pass] All 10 same-origin sampled links resolve (280 total links)
- [pass] 10/10 same-origin sampled links point to markdown content (100%)
- [fail] No llms.txt directive found in any of 10 sampled pages

### markdown-availability

- [pass] 9/9 sampled pages support .md URLs (100%)
- [pass] 9/9 sampled pages support content negotiation (100%)

### page-size

- [pass] All 10 sampled pages contain server-rendered content
- [fail] 3 of 9 pages exceed 100K chars (max 948K)
- [fail] 3 of 10 sampled pages convert to over 100K chars (max 948K, 3% boilerplate)
- [fail] 1 of 10 sampled pages have content starting past 50% (worst 74%)

### content-structure

- [pass] 3 tab group(s) across 1 of 10 sampled pages; all serialize under 50K chars
- [skip] 1 page(s) with tabs found, but no section headers inside tab panels to evaluate
- [pass] All 52 code fences properly closed across 12 pages

### url-stability

- [pass] All 10 sampled pages return proper error codes for bad URLs
- [pass] No redirects detected across 10 sampled pages

### observability

- [pass] llms.txt covers 100% of 1 sitemap doc pages
- [fail] 4 of 9 pages have substantive content differences between markdown and HTML (avg 20% missing)
- [pass] All 13 endpoints have appropriate cache headers

### authentication

- [pass] All 10 sampled pages are publicly accessible
- [skip] All docs pages are publicly accessible; no alternative access paths needed