# Checkout — Agent Score > Score: 69/100 (Grade: D) | Docs: https://www.checkout.com/docs | Checked: April 9, 2026 Checkout scored 69/100 (D) on Agent Score. 10 of 22 agent-readiness checks passed. [View full report](https://buildwithfern.com/agent-score/company/checkout-com-docs) [All companies](https://buildwithfern.com/agent-score/llms.txt) ## Summary - Total checks: 22 - Passed: 10 - Warnings: 3 - Failed: 6 ## Category Scores - page-size: 86/100 - observability: 33/100 - url-stability: 100/100 - authentication: 100/100 - content-structure: 100/100 - markdown-availability: 0/100 - content-discoverability: 64/100 ## Check Results ### content-discoverability - [pass] llms.txt found at 1 location(s) - [warn] llms.txt contains parseable links but doesn't fully follow the proposed structure: https://www.checkout.com/llms.txt: No blockquote summary found - [pass] llms.txt is 9,157 characters (under 50,000 threshold) - [warn] All 10 same-origin sampled links resolve (66 total links) (2 external links also failed; may be bot-detection or rate-limiting) - [fail] Same-origin links point to HTML and no markdown alternatives detected (5 external links excluded) - [fail] No llms.txt directive found in any of 10 sampled pages ### markdown-availability - [fail] No sampled pages support .md URLs (0/10 tested) - [fail] Server ignores Accept: text/markdown header (0/10 sampled pages return markdown) ### page-size - [pass] All 10 sampled pages contain server-rendered content - [skip] Skipped: dependency check did not pass - [fail] 1 of 10 sampled pages convert to over 100K chars (max 129K, 78% boilerplate) - [warn] 9 of 10 sampled pages have content starting at 10–50% (worst 37%) ### content-structure - [pass] No tabbed content detected across 10 sampled pages - [pass] No tabbed content found; header quality check not applicable - [pass] All 0 code fences properly closed across 1 pages ### url-stability - [pass] All 10 sampled pages return proper error codes for bad URLs - [pass] No redirects detected across 10 sampled pages ### observability - [fail] llms.txt covers 1/699 sitemap doc pages (0%); 698 missing - [skip] Skipped: dependency check did not pass - [pass] All 11 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