Marketing & advertising
659 APIs for campaigns, ads, email marketing, SEO, or audience acquisition.
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411 APIs added in the last 30 days.
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659- AP268 operations41 revisionsAPI Explorer@instantly/api-explorer
Cold email outreach: manage campaigns, sender accounts, leads, emails and deliverability tests
- SE102 operations4 revisionsSearchable REST API@searchable/searchable-rest-api
AI search visibility: track brand mentions, citations, sentiment, traffic and competitors across AI answers
- ME708 operations215 revisionsMetricool API@metricool/metricool-api
Social media analytics, scheduling and reporting: publish posts, track account metrics and manage brands and reports
- 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
- CR212 operations9 revisionsCreatorAPI@creator-api/creatorapi
Ad tracking: manage smart links, tracking links, postbacks and profitability analytics
- HU186 operations14 revisionsHunter API@hunter/hunter-api
Email discovery and verification: find, verify and enrich contacts, plus leads, sequences 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
- ZE1,142 operations206 revisionsZernio API@zernio/zernio-api
Social, messaging and commerce: publish posts, run ads, manage inboxes, SMS, WhatsApp and blogs
- FL1,102 operations243 revisionsFlowHunt@flowhunt/flowhunt
Marketing analytics: track SEO, backlinks, search rankings, ad platforms and site audits
- OP71 operations20 revisionsOptimly@optimly/optimly
AI search visibility: track brand mentions, reports, recommendations and API keys
- OM51 operations3 revisionsom-api-service@onlymonster/om-api-service
Creator platform management: send messages, track fans, subscriptions, vault media and payouts
- EM7 operations3 revisionsemailvalidation@emailvalidation/emailvalidation
Email: check address deliverability, bulk-verify lists up to 100,000, download results as JSON or CSV
- TR85 operations3 revisionsTryPost API@trypost/trypost-api
Social media: schedule posts, manage approvals, media, channels and analytics
- BR1,664 operations39 revisionsBrandbooster API@brandbooster/brandbooster-api
Ad creation and analytics: manage ad projects, video storyboards, Meta and Google ad accounts, and product catalogs
- PR42 operations4 revisionsPrivy API@privy/privy-api
Contact lists, campaigns and flows for email/SMS marketing: manage contacts, read orders, segments and reports
- MA60 operations6 revisionsmailsac API Specification@mailsac/mailsac-api-specification
Email testing: read inbox messages, validate addresses, manage attachments and webhooks
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