12

12Backlinks API

SEO: estimate referring domains needed for page 1 rankings and find competitor backlink gaps

10 operations0 schemas1 revision

Changes

Full history

Source

View schema
Spec
OpenAPI 3.1.0
Document
12backlinks.com · JSON, 61 KB
Retrieved
Oct 19, 2026, 18:11 UTC
Digest
8936d132d496

For agents

Every page here has a markdown twin. The overview is one fetch; the llms.txt lists every operation with a link to its own markdown.

curl https://skmtc.dev/12backlinks/apis/12backlinks-api.md
curl https://skmtc.dev/12backlinks/apis/12backlinks-api/llms.txt