generated: '2026-08-29' method: probed source: >- https://developers.checklyhq.com/.well-known/security.txt (HTTP 200, saved verbatim to well-known/checkly-security.txt) and https://www.checklyhq.com/security/security-response/ (HTTP 200). description: >- Checkly runs a published vulnerability disclosure programme reachable from a machine-readable security.txt. Automated probes miss it because it is not served from www, api or app - only the docs host answers. published: true security_txt: url: https://developers.checklyhq.com/.well-known/security.txt status: 200 file: well-known/checkly-security.txt fields: contact: mailto:security@checklyhq.com preferred_languages: en canonical: https://checklyhq.com/.well-known/security.txt policy: https://www.checklyhq.com/security/security-response/ hiring: https://checklyhq.com/jobs defect: >- The Canonical field points at https://checklyhq.com/.well-known/security.txt, which returned 404 on probe. The document is only served from developers.checklyhq.com. www, api and app all 404. A scanner following RFC 9116 canonical resolution will conclude Checkly publishes nothing. contact: email: security@checklyhq.com method: email policy: url: https://www.checklyhq.com/security/security-response/ status: 200 bug_bounty: program: none found platforms_probed: - HackerOne - Bugcrowd - Intigriti note: No bounty platform is referenced from security.txt, the security response page or the docs. probes: - {url: 'https://developers.checklyhq.com/.well-known/security.txt', status: 200} - {url: 'https://checklyhq.com/.well-known/security.txt', status: 404} - {url: 'https://www.checklyhq.com/.well-known/security.txt', status: 404} - {url: 'https://api.checklyhq.com/.well-known/security.txt', status: 404} - {url: 'https://app.checklyhq.com/.well-known/security.txt', status: 404} - {url: 'https://www.checklyhq.com/security/security-response/', status: 200} recommendation: >- Serving the same file at https://checklyhq.com/.well-known/security.txt and https://www.checklyhq.com/.well-known/security.txt would close the gap; the content is already correct and the Canonical field already names the right URL.