Marketing & advertising
661 APIs for campaigns, ads, email marketing, SEO, or audience acquisition.
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412 APIs added in the last 30 days.
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661- HU187 operations15 revisionsHunter API@hunter/hunter-api
Email discovery and verification: find professional addresses by domain, verify them, manage leads and campaigns
- ZE1,142 operations208 revisionsZernio API@zernio/zernio-api
Social, messaging and commerce: publish posts, run ads, manage inboxes, SMS, WhatsApp and blogs
- SH203 operations26 revisionsshipmail API@shipmail/shipmail-api
Email: send messages, manage mailboxes, domains, audiences and calendar bookings
- AP268 operations42 revisionsAPI Explorer@instantly/api-explorer
Cold email outreach: manage campaigns, sender accounts, leads, emails and deliverability tests
- ME708 operations216 revisionsMetricool API@metricool/metricool-api
Social media analytics, scheduling and reporting: publish posts, track account metrics and manage brands and reports
- OR15 operations12 revisionsOriginalVoices API@originalvoices/originalvoices-api
Audience research: manage audiences and synthetic twins, ask open or choice questions, review studies
- TI91 operations7 revisionstinysend API@tinysend/tinysend-api
Newsletters and transactional email: send mail, manage subscribers, posts, mailboxes and webhooks
- NO135 operations46 revisionsNotra API@usenotra/notra-api
Content and GEO tooling: create posts, schedule generation, track AI search visibility, and manage webhooks
- CR212 operations10 revisionsCreatorAPI@creator-api/creatorapi
Ad tracking: manage smart links, tracking links, postbacks and profitability analytics
- AD559 operations54 revisionsAdAce Ads@adace/adace-ads
Advertising: lead capture, conversion tracking, workspace analytics and client dashboards
- FL1,102 operations244 revisionsFlowHunt@flowhunt/flowhunt
Marketing analytics: track SEO, backlinks, search rankings, ad platforms and site audits
- TG194 operations13 revisionsTG Market API@tgmarket/tg-market-api
Telegram channel search, advertiser lookup, exports and webhooks for catalog data
- AP128 operations25 revisionsAppConnect V3@cc/appconnect-v3
Email marketing: manage contacts, lists, campaigns, automations and send reports
- SE102 operations4 revisionsSearchable REST API@searchable/searchable-rest-api
AI search visibility: track brand mentions, citations, sentiment, traffic and competitors across AI answers
- MA55 operations3 revisionsMailBeast Public API@mailbeast/mailbeast-public-api
Cold email: run campaigns, manage leads, mailboxes, follow-ups and engagement analytics
- SE437 operations5 revisionsSEO Intelligence Engine@xeorank/seo-intelligence-engine
SEO audits, AI visibility scans, keyword and competitor tracking, and content gap analysis for websites
- AD56 operations18 revisionsAdaptlyPost Public API@adaptlypost/adaptlypost-public-api
Social media posting across 14 platforms: schedule posts, manage accounts, webhooks and post analytics
- OT42 operations3 revisionsOtterly Public API@otterly/otterly-public-api
AI search visibility: track brand citations and prompts across AI engines, plus content and crawl audits
- SA379 operations22 revisionsSamva API@samva/samva-api
Transactional email: send messages, track delivery, handle replies, manage contacts and campaigns
- PE117 operations5 revisionsPeec AI Customer API@peec/peec-ai-customer-api
Brand visibility in AI answers: track brands, products, sources, actions and referral traffic
- SP49 operations15 revisionsSpoofy API@spoofy/spoofy-api
Social media growth: buy followers, views, likes and members for public links via REST, SMM or MCP
- MO72 operations6 revisionsMorningscore API@morningscore/morningscore-api
SEO and website analysis: domain details, onsite issues, keywords, backlinks and AI fixes
- GL20 operations6 revisionsGlasser@glasser/glasser
Go-to-market research: web, company, people, SEO, social and market data lookups via one key
- BI161 operations17 revisionsbisibility Public API@bisibility/bisibility-public-api
SEO: track keyword rankings, run rank checks, research keywords, analyze backlinks and domain visibility
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