canonical ↑ 6.2

Email Marketing

Score 32.6 / 100 79 providers 32 APIs Search apis.io →
Variants seen in the corpus: Email MarketingEmailMarketing

Providers using this tag (79)

Ranked by API Evangelist rating — Exemplar and Strong are expanded by default.

Exemplar 18 Complete, well-documented, and agent-ready
BrevoMarketingMarketing AutomationTransactional Email29 APIs87.3KitCreator EconomySubscribersAutomation14 APIs85.6HubSpotAnalyticsCommerceContentCRM93 APIs82.4MailchimpCampaignsMarketing AutomationNewsletters120 APIs81.5ListrakSMS MarketingMarketing AutomationCross-Channel56 APIs77.4Adobe CampaignCampaign ManagementCustomer ExperienceMarketing Automation20 APIs77.3MailerLiteAutomationNewslettersSubscribers9 APIs77.2SendGridEmailEmail APIMarketing EmailSMTP63 APIs77.0GetResponseMarketing AutomationLanding PagesWebinars50 APIs74.1BloomreachDigital CommerceSearchMerchandisingRecommendations24 APIs73.7AWeberMarketing AutomationEmailNewsletters12 APIs73.5AttentiveCompanyMarTechSMS Marketing19 APIs73.4Campaign MonitorCampaignsSubscribersTransactional Email1 API71.4OmnisendMarketing AutomationE-CommerceSMS Marketing15 APIs69.9OntraportCRMMarketing AutomationE-Commerce4 APIs69.8Zoho CampaignsCampaignsMailing ListsSubscribers2 APIs69.8MoosendMarketing AutomationCampaignsMailing Lists1 API67.9ActiveCampaignMarketing AutomationCRMSales Automation43 APIs67.2
Strong 24 Solid coverage with minor gaps
KeapCRMSalesMarketing AutomationSmall Business32 APIs66.4SAP EmarsysMarketing AutomationCustomer EngagementOmnichannel25 APIs66.4Constant ContactCampaignsContactsEvent17 APIs65.5SilverpopMarketing AutomationCampaign ManagementDigital Marketing6 APIs64.9Benchmark EmailCampaignsContactsAutomation30 APIs64.6ClickFunnelsSales FunnelsLanding PagesE-CommerceMarketing1 API64.3SendlaneSMS MarketingE-CommerceMarketing Automation1 API63.9DotdigitalMarketing AutomationSMSMMS4 APIs63.4Infusionsoft (Keap)CRMMarketing AutomationSales Automation4 APIs63.4Inflection.ioCompanySoftware-as-a-ServiceMarketingMarketing Automation6 APIs62.9KartraCompanyMarketing AutomationCRM1 API62.8Xiaoman (OKKI)CompanyCRMForeign TradeB2B7 APIs61.9NutshellCRMSalesPipeline Management27 APIs60.8EmailOctopusEmailNewslettersCampaigns6 APIs60.5Clerk.ioArtificial IntelligenceCommerceE-Commerce2 APIs59.9KnakCompanyMarketing AutomationLanding Pages21 APIs58.7VBOUTMarketing AutomationSocial-MediaLead Management15 APIs57.7Salesforce Marketing Cloud Account Engagement (Pardot)Marketing AutomationB2B MarketingLead Generation3 APIs57.6EnchargeMarketing AutomationTransactional EmailSoftware-as-a-Service16 APIs57.3PabblyAutomationSubscription BillingBilling7 APIs57.3DripMarketing AutomationE-CommerceCustomer Engagement12 APIs56.5MarketoAdobeAutomationMarketingMarketing Automation68 APIs55.7Oracle EloquaCRMLead ManagementMarketing Automation23 APIs54.9SailthruCompanyMarketing AutomationPersonalization2 APIs54.4
Developing 15 Usable, with meaningful gaps to close
Act-OnCompanyMarketingMarketing Automation3 APIs52.7ResponsysCompanyMarketingMarketing Automation3 APIs52.4NimbleCRMSalesContact ManagementRelationship Management13 APIs51.2involve.meCompanyMarketingLead GenerationForms1 API49.4SAPArtificial IntelligenceBTPBusiness ApplicationsCloud31 APIs49.0SharpSpringCompanyMarketingMarketing AutomationCRM1 API48.4OptinMonsterCompanyLead GenerationMarketingConversion Optimization3 APIs48.1MetriloCompanyE-CommerceAnalyticsCRM5 APIs47.5iContactMarketing AutomationCampaignsContacts1 API46.9MailOptinCompanyMarketing AutomationLead Generation1 API46.5PoptinCompanyMarketingMarketing Automation1 API44.1KitCreator EconomyNewslettersAutomation4 APIs43.2Microsoft Dynamics 365Business ApplicationsCloudCRMEnterprise12 APIs43.0LiveIntentCompanyAdvertisingAdTechIdentity4 APIs42.4Return PathCompanyMarTechEmailEmail Deliverability1 API41.4
Thin 9 Limited public surface area
ZohoAnalyticsCollaborationCRMCustomer Service34 APIs38.5FuseWPCompanyWordPressMarketing Automation1 API36.7NewoldstampCompanyEmail SignaturesEmail Signature Management1 API34.9PlusThisCompanyMarketing AutomationMarketingCRM34.6PodiaCreator EconomyOnline CoursesDigital ProductsMemberships4 APIs34.0Beacons.aiCompanyCreator EconomyLink in BioCreator Website Builder1 API32.0LocBox LabsCompanyMarketingPromotionsLocal Marketing1 API32.0freshworks44 APIs31.6YeswareCompanySales EngagementEmail TrackingSales Productivity28.4
Emerging 7 Early or largely undocumented
Opensense (formerly SenderGen)CompanyEmail Signature ManagementBrand Management26.1Ematic SolutionsCompanyMarketingDigital MarketingMarketing Technology1 API24.0GroupbossCompanyLead GenerationMarketingMarketing Automation23.2MotivaCompanyMarketingMarketing Automation23.1HeyoCompanyMarketingSocial-MediaPromotions21.7RetainIQCompanyArtificial IntelligenceRetention Marketing15.4PicoCompanyCreator EconomyCRMMemberships1 API14.2
Minimal 6 Almost no public developer surface
ShoelaceCompanyMarketingGrowth MarketingDirect to Consumer6.9Exact TargetCompanyMarketing AutomationDigital Marketing5.0FanbridgeCompanySMS MarketingMusic5.0HabeasCompanyEmailEmail DeliverabilityEmail Reputation5.0LaunchbitCompanyAdvertisingAdTech5.0NeolaneCompanyMarketing AutomationCampaign Management5.0

APIs with this tag (32)

Ranked by the provider's API Evangelist rating — the Kin Score is scored per provider, not per API, so every API of a provider shares its band. How the rating works →

Exemplar 5 Complete, well-documented, and agent-ready
MailerLite Classic API (Legacy)The MailerLite Classic API serves legacy MailerLite Classic accounts. New integrations should target the cu...77.2GetResponse API v3The complete GetResponse API v3 — a JSON REST API of 220 operations across 141 paths and 42 product areas, ...74.1Campaign Monitor APIREST API for managing email campaigns, subscriber lists, transactional emails, segments, journeys, template...71.4Zoho Campaigns APIREST API for managing email campaigns, mailing lists, subscribers, templates, and analytics in Zoho Campaig...69.8Moosend APIThe Moosend REST API (v3) enables programmatic access to email marketing and automation capabilities includ...67.9
Strong 19 Solid coverage with minor gaps
Sendlane APIREST API for managing contacts, lists, campaigns, automations, custom fields, sender profiles, tags, and cu...63.9Kartra APIKartra's inbound developer API. One endpoint, POST only, form-encoded, with the operation selected by `acti...62.8Nutshell Audiences APIEmail-marketing audiences — static lists of contacts used to organize people for marketing sends. 2 operati...60.8Nutshell Editions APIMarketing email editions — individual email sends and their metadata. 2 operation(s) across 2 path(s).60.8EmailOctopus Automation APIEnqueue an existing contact into an EmailOctopus automation. Write-only — the v2 API exposes no operation t...60.5EmailOctopus Campaign APIRead campaigns and their three report projections — summary counters, per-link clicks, and per-contact enga...60.5EmailOctopus Contact APIManage subscribers on a list: create, read, update, delete, upsert by email address, and update many at onc...60.5EmailOctopus Field APIDefine the per-list custom fields contact records are written against. Fields are keyed by a stable tag slu...60.5EmailOctopus List APICreate and manage subscriber lists, the aggregate root of the EmailOctopus data model. Fields, tags and con...60.5EmailOctopus Tag APICreate, rename, delete and list the tags used to segment contacts on a list. Tags are keyed by slug rather ...60.5VBOUT Email Marketing APIThe Email Marketing API from VBOUT — 10 operation(s) for email marketing.57.7VBOUT EmailMarketing APIThe EmailMarketing API from VBOUT — 25 operation(s) for emailmarketing.57.7Account Engagement API v5Version 5 REST API for managing prospects, accounts, campaigns, emails, forms, lists, and engagement progra...57.6Encharge Broadcasts APIThe Broadcasts API from Encharge — 1 operation(s) for sending broadcasts.57.3Encharge REST APIREST API (v1) for managing people, person fields, segments, tags, broadcasts, email templates, sending doma...57.3Pabbly Email Marketing APIREST API for Pabbly Email Marketing — 23 documented operations across subscribers (upsert semantics on crea...57.3Drip MCP ServerDrip operates a remote Model Context Protocol server at https://api.getdrip.com/mcp, protected by its OAuth...56.5Drip REST APIREST API for Drip exposing subscribers, tags, custom fields, broadcasts, email campaigns, events, conversio...56.5Sailthru APIThe core Sailthru HTTPS API. All requests are GET, POST or DELETE calls to https://api.sailthru.com/, auth54.4
Developing 5 Usable, with meaningful gaps to close
Oracle Responsys REST APIThe Responsys REST API (v1.3) manages profile lists and recipients, profile extension tables, supplemental ...52.4SAP Emarsys Customer Engagement APIREST APIs for marketing automation, customer engagement, and personalized campaign management across email,...49.0iContact REST APIREST API v2.2 for managing contacts, lists, segments, campaigns, messages, sends, and reporting inside the ...46.9Kit API V3 (Deprecated)The legacy ConvertKit V3 API is deprecated and slated for discontinuation; new integrations should target V4.43.2Dynamics 365 Marketing APIAPI for managing marketing campaigns, customer journeys, email marketing, and lead scoring.43.0
Thin 2 Limited public surface area
Zoho CampaignsThe Zoho Campaigns API provides programmatic access to email marketing capabilities, allowing integration w...38.5Freshworks Freshmarketer APIThe Freshmarketer API provides developer access to marketing automation capabilities within the Freshmarket...31.6
Emerging 1 Early or largely undocumented
Ematic Solutions Core APIThe Ematic Solutions Core API is a RESTful, JSON-only web service (labelled "beta" by Ematic) that lets an ...24.0

Score breakdown

Frequency
56.6
log-scaled weighted occurrences
Breadth
2.2
spread across providers
Quality lift
61.7
mean composite of providers using it
Cohesion
37.3
strength of nearest seed neighbor

Related tags

Marketing Automation 53 co-occurrences Transactional Email 16 co-occurrences Campaigns 34 co-occurrences Landing Pages 13 co-occurrences Newsletters 12 co-occurrences Subscribers 12 co-occurrences Segments 15 co-occurrences Segmentation 12 co-occurrences

Where this tag comes from

Provider tag75
Api tag32
Openapi tag2
Openapi op tag29

Cohort brief

Auto-generated

The 79 providers in the APIs.io catalog tagged Email Marketing, scored on the Kin Score. Every figure below is computed from the catalog — nothing here is written.

Providers
79
all scored
Mean Kin Score
50.7
+30.0 vs catalog 20.7
Mean Agent Readiness
28.1
+18.4 vs catalog 9.7
Spread
5–87.3
median 55.7 · σ 21.4
How the 79 split by band
Exemplar 18Strong 24Developing 15Thin 9Emerging 7Minimal 6
Facet averages, against the whole catalog
FacetThis cohortCatalogDifferenceScored
Access Clarity 65.4 22.3 +43.1 79
Developer Ergonomics 49.2 17.9 +31.3 79
Operational Transparency 41.2 11.3 +29.9 79
Contract Quality 44.2 17.5 +26.7 79
Discoverability 75 60.4 +14.6 79
Contract Governance 20 6.4 +13.6 79

A facet is averaged over the members that carry it, not over the whole cohort — the “Scored” column is that count. Averaging an absent facet as zero would score our own coverage gaps as the providers’ posture.

What this cohort publishes
ArtifactThis cohortCatalogDifference
MCP server (any) 53% 16% +37
MCP server (first-party) 30% 7% +23
Agent Skills 0% 0% 0
OAuth scopes 48% 9% +39
Security 96% 88% +8
Arazzo workflows 6% 2% +4
Governance rules 28% 13% +15

mcp_pct counts any mcp/ artifact including ones API Evangelist derived from the provider OpenAPI; mcp_first_party_pct counts only servers the provider publishes. Prefer the latter.

Top by Kin Score
  1. 1 Brevo 87.3
  2. 2 Kit 85.6
  3. 3 HubSpot 82.4
  4. 4 Mailchimp 81.5
  5. 5 Listrak 77.4
  6. 6 Adobe Campaign 77.3
  7. 7 MailerLite 77.2
  8. 8 SendGrid 77
  9. 9 GetResponse 74.1
  10. 10 Bloomreach 73.7
Top by Agent Readiness
  1. 1 Kit 61
  2. 2 Knak 58.8
  3. 3 Bloomreach 58.5
  4. 4 HubSpot 54.4
  5. 5 Omnisend 54.3
  6. 6 Inflection.io 54.2
  7. 7 GetResponse 50.4
  8. 8 Drip 49.7
  9. 9 Brevo 49.6
  10. 10 MailerLite 49.1
All 79 members of this roster resolve to a scored provider in the catalog.Generated from the catalog build of 25 August 2026, across 26891 providers, using the same computation served by the APIs.io cohort API. Briefs are published for rosters of 5 or more scored providers; below that a distribution is not meaningful.

Work with this as data

Every tag here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for tags

7 MCP tools reach this
  • find_tagsBrowse and filter every tag in the catalog.
  • get_cohortThis tag as a scored cohort — every provider carrying it, with scores.
  • cohort_statsPRO — the distribution across this tag: mean, median, band split, adoption rates.
  • cohort_rankingsPRO — the leaderboard, on composite AND agent-readiness axes.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools

Call it yourself

curl for this page
This tag 
curl "https://apis.io/api/v1/tags/email-marketing"
All tags 
curl "https://apis.io/api/v1/tags?limit=25"
As a scored cohort 
curl "https://apis.io/api/v1/cohorts/tag/email-marketing"
The distribution (Pro) 
curl "https://apis.io/api/v1/cohorts/tag/email-marketing/stats" \
  -H "X-API-Key: $APIS_IO_KEY"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no email required.

GitHub Google LinkedIn

A second provider on the same verified email joins the account you already have.