Marketing APIs pull the numbers a campaign runs on — domain and competitor analysis, keyword clustering, email deliverability scoring, link and QR generation. Data your growth stack can query directly instead of exporting from four dashboards.
Also called growth APIs, campaign APIs, lead enrichment APIs or martech APIs22 services in this categoryCompare website URLs and get similarity scores, SEO scores, summaries, and suggested improvements for each site. Useful for overlap checks and audits.
Check an email address for disposable-domain signals and a confidence score. Filter throwaway signups using MX, blocklist, entropy, and domain age data.
Extract emails, phone numbers, addresses, and social links from a webpage URL. Useful for lead enrichment and contact lookup workflows.
Audit a webpage URL and get a grade, score, structured-data breakdown, and top fixes. Useful for page QA, SEO monitoring, and rich results checks.
Generate OG images from a title and optional label, author, domain, subtitle, reading time, template, background, and colors. Returns a binary image for social previews.
Generate thank-you emails from a content prompt, with optional language, length, and tone controls. Returns async job status and the final email text.
Generate a short product introduction from content, with language, max length, and voice tone options. Returns a job ID and result polling URL.
Validate any email address and get a structured report with syntax, MX, disposability, reachability, and a 0–100 deliverability score.
Submit text content for spam analysis and poll by job ID. Get a pass flag, score, and reason for moderation workflows.
Generate keyword lists from content with optional context, language, tone, and quantity controls. Returns async job status and keyword results.
The question you arrived with, and the endpoint that answers it.