On this section
Guides
Code-first walkthroughs for the jobs people actually hire the API for. Each is mirrored as markdown at /docs/guides/{slug}.md.
Enrich a list of domains
Loop a CSV of domains through /v1/check with rate-limit handling, and write the disclosed stack back out as CSV.
Read guide →Build a vendor-segmented prospect list
Page through /v1/prospect, dedupe across queries, and export a segment of entities that disclose a given vendor.
Read guide →Give your AI agent the VendorStacks tool
Register an entity-due-diligence tool: function-calling definition, cost-discipline rules, and the 402 relay.
Read guide →Handle 402s and top-ups gracefully
The paywall anatomy, why nothing is ever half-charged, and the retry-after-payment pattern for scripts and agents.
Read guide →Plug into Clay / n8n / Zapier
HTTP-request node configuration for the three most common no-code pipelines: auth header, URL templates, and output mapping.
Read guide →