Marketing & advertising
660 APIs for campaigns, ads, email marketing, SEO, or audience acquisition.
Collections
New this month
410 APIs added in the last 30 days.
The biggest APIs
The APIs with the most operations.
Most active
Most new revisions in the last 90 days.
All APIs
660- LI199 operations13 revisionsLinkbreakers API@linkbreakers/linkbreakers-api
Link management, QR codes, analytics and dashboards, custom domains, webhooks and AI agent workspaces via REST
- AP268 operations28 revisionsAPI Explorer@instantly/api-explorer
Cold email outreach: manage campaigns, sender accounts, leads, emails and deliverability tests
- SI1 operation155 revisionsSingle-send@hubspot/marketing-single-send
Marketing email: send single transactional or marketing emails to individual contacts
- OM71 operations22 revisionsOmniSocials API@omnisocials/omnisocials-api
Social media: schedule, publish and analyze posts across 13 platforms, plus inbox and media
- HU183 operations13 revisionsHunter API@hunter/hunter-api
Email finding and verification: search domains, verify addresses, manage leads, campaigns and sequences
- ME708 operations207 revisionsMetricool API@metricool/metricool-api
Social media analytics, scheduling and reporting: publish posts, track account metrics and manage brands and reports
- ZE1,142 operations205 revisionsZernio API@zernio/zernio-api
Social, messaging and commerce: publish posts, run ads, manage inboxes, SMS, WhatsApp and blogs
- LO73 operations5 revisionsLocal Falcon API@localfalcon/local-falcon-api
Local search and AI visibility: scan rankings, manage locations, campaigns, reviews and Google Business Profile posts
- IT159 operations8 revisionsIterable API@iterable/iterable-api
Marketing automation: send email, SMS, push and in-app messages, run campaigns and journeys, manage user lists
- PA153 operations27 revisionsPageAudit@pageaudit/pageaudit
Web page audits: check pages for SEO, AI crawler access and sitemap issues, and retrieve saved reports
- EM125 operations6 revisionsEmelia API@emelia/emelia-api
Multichannel outreach: email, LinkedIn and WhatsApp campaigns, contact lists, email finding and verification
- DA27 operations5 revisionsData Manager API@google/datamanager
Ads data ingestion: send first-party users, events and audience members, manage user lists and licenses
- GR113 operations21 revisionsGroundmail API@groundmail/groundmail-api
Transactional email: send messages, manage domains, senders, templates and webhooks
- SH203 operations23 revisionsshipmail API@shipmail/shipmail-api
Email: send messages, manage mailboxes, domains, audiences and calendar bookings
- AD94 operations9 revisionsAdCrunch API@adcrunch/adcrunch-api
Ad campaign data, mutations and agent context for connected ad accounts across Meta, Google and TikTok
- BU197 operations4 revisionsbundle.social API@bundle/bundle-social-api
Social media: schedule posts across 14+ platforms, read comments and DMs, and pull analytics
- BU133 operations46 revisionsButtondown API@buttondown/buttondown-api
Newsletters: manage subscribers, emails, automations, tags, segments and webhooks
- OC22 operations8 revisionsOcoya API@ocoya/ocoya-api
Social media: schedule posts, run AI campaigns, and manage brands and channels
- AD113 operations68 revisionsAdobe Target Admin and Reporting APIs@adobe/adobe-target-admin-and-reporting-apis
Marketing: manage Target activities, audiences, offers and at.js settings, plus performance and orders reports
- TG181 operations12 revisionsTG Market API@tgmarket/tg-market-api
Telegram channel search, catalog exports, reports and webhooks, billed per returned row
- MA117 operations3 revisionsMailrith API@mailrith/mailrith-api
Email marketing: manage subscribers, sequences, broadcasts, forms and landing pages
- BR1,663 operations38 revisionsBrandbooster API@brandbooster/brandbooster-api
Ad creative: generate AI video, storyboards and photoshoots, manage catalogs, accounts and ad analytics
- SN652 operations80 revisionsSnowSEO API@snowseo/snowseo-api
SEO tools: audit sites, track keywords and AI visibility, manage CMS articles and analytics links
- CO360 operations10 revisionsContentStudio API v1@contentstudio/contentstudio-api-v1
Content and social media: schedule posts, analyze performance across networks, generate AI images, carousels and videos
Showing 1 to 24 of 660
Load more