6 services carry this tag in their source record. Tags come from the provider, not from us — a tag is a claim about what the service does, not proof that it does it well.
Paid JSON for one Substack-backed newsletter, blog, or podcast post: synthesized summary (`synthesizedSummary`), metadata, and identifiers for financial analysis. Path params are `publicationSlug` and `postSlug`. Returns...
Does newsletter@<domain> look deliverable? Builds the newsletter@ address for the domain you give and runs the verifier: syntax, MX presence, mail provider, disposable/free-provider flags, SPF/DMARC presence and a delive...
Bulk email newsletter at domain: up to 20 domains in one call, processed concurrently, results in input order with a per-item error field and a failure count. Same answer per item as the single endpoint. Batch enrichment...
Change watch for email newsletter at domain: runs the check, compares it with the result from your previous call for the same domain (kept 90 days) and returns the current answer, changed true/false, the fields that chan...
Find the newsletter page of a website: fetches the homepage, scans link text and URLs for newsletter patterns and returns the best candidate URL(s) with the anchor text, plus a confidence. Agents use it to land on the ri...
Form detection on a page: every form with its action URL, method, field names and types, and a classification (login, signup, search, newsletter, contact, checkout, other), plus whether passwords are posted over HTTPS. U...