established · 4.1 market domain

Segments

Score 30.5 / 100 76 providers 81 APIs Search apis.io →
Variants seen in the corpus: Segmentssegments

Providers using this tag (76)

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

Exemplar 24 Complete, well-documented, and agent-ready
Customer.ioBehavioral DataBroadcastsCampaignsCDP27 APIs87.3KitEmail MarketingCreator EconomySubscribersAutomation14 APIs85.6MailchimpCampaignsEmail MarketingMarketing AutomationNewsletters120 APIs81.5OneSignalNotificationPushEmailSMS6 APIs78.3MailerLiteEmail MarketingAutomationNewslettersSubscribers9 APIs77.2SendGridEmailEmail APIMarketing EmailSMTP63 APIs77.0KlaviyoMarketingEmailSMSCustomer Data23 APIs76.9Treasure DataCustomer Data PlatformCDPBig DataData Warehouse23 APIs76.7OptimizelyA/B TestingContent ManagementCustomer DataE-Commerce50 APIs75.1Mapp Marketing CloudCompanyMarketingMarketing AutomationEmail4 APIs74.7OutbrainAdvertisingNative AdvertisingOpen WebCTV13 APIs74.6AWeberEmail MarketingMarketing AutomationEmailNewsletters12 APIs73.5AttentiveCompanyMarTechSMS MarketingEmail Marketing19 APIs73.46senseAccount Based MarketingIntent DataB2BPredictive Analytics5 APIs73.1Boom AiCompanyArtificial IntelligenceConversational AICustomer Engagement10 APIs73.0ButtondownAnalyticsAutomationsEmailMarkdown30 APIs71.5Campaign MonitorEmail MarketingCampaignsSubscribersTransactional Email1 API71.4PlunkEmailTransactional EmailMarketingAutomation5 APIs70.6OmnisendEmail MarketingMarketing AutomationE-CommerceSMS Marketing15 APIs69.9BlueConicCustomer Data PlatformCDPCustomer Profiles28 APIs68.8MoosendEmail MarketingMarketing AutomationCampaignsMailing Lists1 API67.9Common RoomCommunity IntelligenceGo-To-MarketMember SignalsGitHub23 APIs67.7Adobe AnalyticsAdobeAnalyticsBusiness IntelligenceCustomer Intelligence22 APIs67.4ActiveCampaignMarketing AutomationEmail MarketingCRMSales Automation43 APIs67.2
Strong 19 Solid coverage with minor gaps
LyticsCustomer Data PlatformCDPPersonalizationSegmentation2 APIs65.6Constant ContactCampaignsContactsEmail MarketingEvent17 APIs65.5FactsetFinancialFinancial DataInvestment AnalyticsMarket Data460 APIs64.8BlueshiftCustomer Data PlatformCustomer EngagementMarketing AutomationCross-Channel Messaging2 APIs64.7Benchmark EmailEmail MarketingCampaignsContactsAutomation30 APIs64.6Adobe Experience CloudAnalyticsCustomer ExperienceDigital MarketingPersonalization36 APIs63.4MediaMathProgrammatic AdvertisingDSPDemand-Side PlatformCampaign Management46 APIs63.3StackAdaptProgrammatic AdvertisingDigital AdvertisingCampaign ManagementAdTech5 APIs62.3LiltCompanyArtificial IntelligenceTranslationLocalization13 APIs61.9LiveRampData ConnectivityData CollaborationIdentity ResolutionActivation11 APIs59.1CriteoAdvertisingAgent SkillsAnalyticsAudiences4 APIs59.0NextRollCompanyAdvertisingAdTechMarketing9 APIs57.5EnchargeEmail MarketingMarketing AutomationTransactional EmailSoftware-as-a-Service16 APIs57.3AutomatticCompanyContent ManagementPublishingBlogging9 APIs56.8CensusReverse ETLData ActivationData WarehouseCRM1 API56.1ezoicCompanyAdvertisingAdTechPublisher Monetization5 APIs56.1MarketoAdobeAutomationMarketingMarketing Automation68 APIs55.7AmperityCompanyEnterpriseCustomer Data PlatformCDP5 APIs54.5KissmetricsAnalyticsProduct AnalyticsBehavioral AnalyticsMarketing Analytics2 APIs54.3
Developing 14 Usable, with meaningful gaps to close
VantageBudgetsCloud PricingCost ManagementCosts25 APIs51.7EmotiveCompanyMarketingSMSMessaging8 APIs50.0iContactEmail MarketingMarketing AutomationCampaignsContacts1 API46.9StravaCyclingFitnessFitness TrackingRunning8 APIs46.6BigCommerceE-CommerceRetailCatalogOrder161 APIs43.9FreeWheel MediaCompanyAdvertisingAdTechStreaming TV5 APIs43.8WootricCustomer ExperienceNPSCSATCES8 APIs42.3SplitExperimentationFeature FlagsFeature ManagementRollouts21 APIs42.0UnleashFeature FlagsFeature ManagementProgressive DeliveryA/B Testing36 APIs41.5Jack Henry & AssociatesFinancial-ServicesBankingCore BankingDigital Banking42 APIs40.4MadHiveCompanyAdvertisingAdTechConnected TV66 APIs40.4ZenHR IncCompanyHuman ResourcesHRPayroll58 APIs40.1VantageCloud CostFinOpsCost ManagementCloud Optimization44 APIs40.0IntercomArtificial IntelligenceCustomer ServiceCustomer-SupportMessaging9 APIs39.8
Thin 14 Limited public surface area
NaviStoneCompanyMarketingDirect MailAdvertising8 APIs38.9CensusReverse ETLData ActivationData WarehouseSyncs7 APIs38.7DEV CommunityDeveloper CommunityArticlesBloggingSocial19 APIs38.0FullStorySession ReplayProduct AnalyticsDigital ExperienceBehavioral Analytics11 APIs36.6statsig18 APIs36.0OpenXAdvertisingProgrammatic AdvertisingAd ExchangeSupply Side Platform5 APIs35.5PeakonCompanySoftware-as-a-ServiceEmployee EngagementEmployee Experience8 APIs34.2ChameleonProductIn-App GuidanceOnboardingSurveys18 APIs33.3WhatfixDigital AdoptionIn-App GuidanceOnboardingAnalytics5 APIs33.0flagsmith9 APIs32.2launchdarkly27 APIs30.9GrowthBookFeature FlagsExperimentationOpen-SourceA/B Testing36 APIs30.2AppcuesProductOnboardingIn-App GuidanceAnalytics14 APIs28.3CensusConnectorsData ActivationData WarehouseDestinations10 APIs27.1
Emerging 5 Early or largely undocumented
AirshipNotificationPushEmailMobile16 APIs25.5Apache PinotAnalyticsDatabaseLow LatencyOLAP5 APIs21.8Verizon ConnectFleet ManagementTelematicsGPS TrackingVehicle Tracking18 APIs20.2Amazon Web ServicesAmazonCloudNetworkIndex1804 APIs16.7SemasioCompanyAdvertisingMarketingAdTech11.8

APIs with this tag (80)

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 27 Complete, well-documented, and agent-ready
Customer.io App APIThe Customer.io App API is the workspace-management and outbound-messaging surface: trigger broadcasts, sen...87.3Customer.io Segments APICreate and manage manual segments, and retrieve segment membership information.87.3Kit Segments APIThe Segments API from Kit — 1 operation(s) for segments.85.6Mailchimp Segments APIThe Segments API from Mailchimp — 4 operation(s) for segments.81.5OneSignal REST APIThe complete OneSignal REST API as OneSignal publishes it — OpenAPI 3.1.0, info.version 11.6, 39 paths and ...78.3MailerLite Segments APIThe Segments API from MailerLite — 1 operation(s) for segments.77.2SendGrid Segments APITwilio SendGrid Legacy Marketing Campaigns Contacts: Segments API77.0Klaviyo Segments APIsegments76.9Treasure Data CDP APIThe CDP (Audience) API — 183 operations covering parent segments, segments, activations and syndications, j...76.7Optimizely Segments APIQuery customer segments and audience definitions.75.1Mapp Intelligence Analytics APIThe Mapp Intelligence Analytics API gives programmatic access to Mapp Intelligence (formerly Webtrekk) digi...74.7Outbrain Amplify APIThe complete Outbrain Amplify API surface — 77 operations across marketers, budgets, campaigns, promoted li...74.6AWeber Segments APIThe Segments API from AWeber — 2 operations for reading the saved segments defined on a list.73.5Attentive Segments APIEndpoints for submitting bulk segment member additions and removals. Use these endpoints to manage segment ...73.46sense Scribe Scoring and Segments APIScribe — "The Score Keeper". The only OpenAPI 6sense publishes itself, served anonymously at https://scribe...73.1Boom Ai Segments APIThe Segments API from Boom Ai — 7 operation(s) for segments.73.0Buttondown Segments APIThe Segments API from Buttondown — 5 operation(s) covering saved, reusable audiences built from tag and met...71.5Campaign Monitor APIREST API for managing email campaigns, subscriber lists, transactional emails, segments, journeys, template...71.4Plunk APIPlunk's own published OpenAPI 3.1.0, served at https://docs.useplunk.com/openapi.json and declaring https:/...70.6Omnisend Segments APIThe Segments API from Omnisend — 6 operation(s) for segments. Version 2026-03-15, harvested from Omnisend's...69.9BlueConic Segments APIA segment is a group of profiles characterized by a defined set of attributes & properties. The following m...68.8Moosend APIThe Moosend REST API (v3) enables programmatic access to email marketing and automation capabilities includ...67.9Common Room Segments APIThe Segments API from Common Room — 3 operation(s) for segments.67.7Adobe Analytics Segments APICreate, retrieve, update, and delete analytics segments67.4ActiveCampaign Segment Match One APIThe Segment Match One API from ActiveCampaign — 2 operation(s) that check whether a single contact matches ...67.2ActiveCampaign Segment Matching APIThe Segment Matching API from ActiveCampaign — 8 operation(s) for asynchronous match-all and match-some seg...67.2ActiveCampaign Segments APIThe Segments API from ActiveCampaign — 8 operation(s) for creating, retrieving, updating and deleting segme...67.2
Strong 22 Solid coverage with minor gaps
Lytics API v2Version 2 of the Lytics API — the current REST surface for the Lytics customer data platform. Covers accoun...65.6Constant Contact Segments APIUse segments to target a subset of your contacts that are most likely to engage with a particular campaign.65.5Factset Segments APIAccess business and geographic segment data including revenue, operating income, assets, depreciation, and ...64.8Blueshift REST APIThe Blueshift REST API: 81 operations across 21 resource groups covering customer profiles and privacy oper...64.7Benchmark Email Segments APIManage contact segments64.6Adobe Experience Cloud Segments APIOperations for managing analytics segments63.4MediaMath Audience Onboarding APIAPI for ingesting audience event data into the MediaMath Platform via real-time server-side pixel events an...63.3MediaMath Audience Segments APIAudience Segments API (DMP v2.0) for onboarding and activating first- and third-party audience data in the ...63.3MediaMath Server-to-Server Data Distribution APIAPI for syncing audience segment data through server-to-server data distribution, supporting UUID-to-segmen...63.3StackAdapt GraphQL APIFull-featured GraphQL API for creating and managing programmatic advertising campaigns, ad groups, creative...62.3Lilt Segments APIThe Segments API from Lilt — 3 operation(s) for segments.61.9LiveRamp Data Marketplace Buyer APIAPI enabling platforms to host third-party segments from the LiveRamp Data Marketplace and access detailed ...59.1LiveRamp Data Seller APIGeneral-availability API for data sellers in the LiveRamp Data Marketplace — create and search segments usi...59.1Criteo Commerce Grid APIThe Criteo Commerce Grid API manages audience segments for Commerce Grid, Criteo's sell-side platform. Eigh...59.0NextRoll Audience APICreate and manage audience segments — CRM (email list), custom (partner user id), composite, impression, us...57.5NextRoll CRUD APIThe core REST service behind the AdRoll and AdRoll ABM dashboards. Create and manage organizations, adverti...57.5Encharge Segments APIThe Segments API from Encharge — 4 operation(s) for dynamic segments.57.3WordPress.com REST API - wpcom/v2 namespaceThe WordPress.com and Jetpack platform extension namespace — 1,716 operations covering hosting and code dep...56.8ezoic Big Data Analytics APIThe Big Data Analytics (BDA) REST API pulls the same reports and analytics data a publisher sees in the Ezo...56.1Marketo Segments APISegment Controller55.7Amperity APIRESTful API for programmatic access to an Amperity tenant — list and manage campaigns, campaign drafts, seg...54.5Kissmetrics REST APIREST API for programmatic access to Kissmetrics reports, segments, events, properties and account metadata....54.3
Developing 13 Usable, with meaningful gaps to close
Vantage Segments APICreate, update, and delete cost allocation segments.51.7Emotive Segments APICreate, retrieve, update and archive audience segments used to target SMS broadcasts and flows.50.0iContact REST APIREST API v2.2 for managing contacts, lists, segments, campaigns, messages, sends, and reporting inside the ...46.9Strava Segments APIAccess segments — specific sections of road or trail that athletes compete on. View segment details, starre...46.6Big Commerce Customer SegmentationBigCommerce Customer Segmentation API enables the creation of externally defined customer segments that can...43.9Wootric Segments APIAccess segment definitions42.3Split Segments APIManage segments which define reusable groups of identities for targeting.42.0Unleash Segments APICreate, update, delete, and manage [segments](https://docs.getunleash.io/concepts/segments).41.5Jack Henry & Associates Segments APIUser segments for targeted experiences.40.4MadHive Segments APIThe segments API from MadHive — 1 operation(s) for segments.40.4ZenHR Inc Segments APIThe Segments API from ZenHR Inc — 2 operation(s) for segments.40.1Vantage Segments APIOperations about Segments40.0Intercom Segments APIAccess user and company segments.39.8
Thin 14 Limited public surface area
NaviStone Segments APIAudience segments38.9Census Segments APIThe Segments API from Census — 2 operation(s) for segments.38.7DEV Community segments APIThe segments API from DEV Community — 5 operation(s) for segments.38.0FullStory Segments APIRetrieve segment metadata including name, creator, and creation time.36.6statsig Segments APIManage user segments for targeting rules across gates, configs, and experiments.36.0OpenXSelect APIGraphQL API (BETA) for the OpenXSelect curation platform — query providers, segments, audiences, deals and ...35.5Peakon Segments APIRetrieving segments34.2Chameleon Segments APIThe Segments API from Chameleon — 2 operation(s) for segments.33.3Whatfix Segments APIThe Segments API from Whatfix — 1 operation(s) for segments.33.0flagsmith Segments APIManage segments within a project. Segments define groups of users based on traits and rules for targeted fl...32.2launchdarkly Segments APICreate and manage user segments for targeting groups of contexts with feature flags.30.9GrowthBook segments APISegments used during experiment analysis30.2Appcues Segments APIThe Segments API from Appcues — 5 operation(s) for segments.28.3Census Segments APIAudience segments27.1
Emerging 4 Early or largely undocumented
Airship Segments APIThe Segments API from Airship — 2 operation(s) for segments.25.5Apache Pinot Segments APIThe Segments API from Apache Pinot — 1 operation(s) for segments.21.8Verizon Connect Vehicle Segment Data APIProvides vehicle trip / segment data - the stops, drives, idles, and journey detail derived from GPS activi...20.2Amazon Web Services Segments APIThe Segments API from Amazon Web Services — 3 operation(s) for segments.16.7

Score breakdown

Frequency
60.3
log-scaled weighted occurrences
Breadth
2.1
spread across providers
Quality lift
65.8
mean composite of providers using it
Cohesion
11.9
strength of nearest seed neighbor

Related tags

Segmentation 14 co-occurrences Subscribers 12 co-occurrences Email Marketing 15 co-occurrences Marketing Automation 20 co-occurrences Campaigns 25 co-occurrences Newsletters 8 co-occurrences Audiences 10 co-occurrences Transactional Email 9 co-occurrences

Where this tag comes from

Api tag77
Provider tag7
Openapi tag50
Openapi op tag172

Cohort brief

Auto-generated

The 76 providers in the APIs.io catalog tagged Segments, scored on the Kin Score. Every figure below is computed from the catalog — nothing here is written.

Providers
76
all scored
Mean Kin Score
54
+33.3 vs catalog 20.7
Mean Agent Readiness
35.9
+26.2 vs catalog 9.7
Spread
11.8–87.3
median 56.5 · σ 18.2
How the 76 split by band
Exemplar 24Strong 19Developing 14Thin 14Emerging 5Minimal 0
Facet averages, against the whole catalog
FacetThis cohortCatalogDifferenceScored
Contract Quality 58.4 17.5 +40.9 76
Access Clarity 56.8 22.3 +34.5 76
Developer Ergonomics 51.1 17.9 +33.2 76
Operational Transparency 43.9 11.3 +32.6 76
Contract Governance 25.9 6.4 +19.5 76
Discoverability 78.8 60.4 +18.4 76

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) 61% 16% +45
MCP server (first-party) 46% 7% +39
Agent Skills 0% 0% 0
OAuth scopes 47% 9% +38
Security 99% 88% +11
Arazzo workflows 11% 2% +9
Governance rules 50% 13% +37

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 Customer.io 87.3
  2. 2 Kit 85.6
  3. 3 Mailchimp 81.5
  4. 4 OneSignal 78.3
  5. 5 MailerLite 77.2
  6. 6 SendGrid 77
  7. 7 Klaviyo 76.9
  8. 8 Treasure Data 76.7
  9. 9 Optimizely 75.1
  10. 10 Mapp Marketing Cloud 74.7
Top by Agent Readiness
  1. 1 Boom Ai 71.9
  2. 2 Adobe Analytics 66.5
  3. 3 Automattic 62.3
  4. 4 Kit 61
  5. 5 Common Room 60.8
  6. 6 OneSignal 59.2
  7. 7 Mapp Marketing Cloud 56.3
  8. 8 Omnisend 54.3
  9. 9 Factset 52.8
  10. 10 NextRoll 52.2
All 76 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/segments"
All tags 
curl "https://apis.io/api/v1/tags?limit=25"
As a scored cohort 
curl "https://apis.io/api/v1/cohorts/tag/segments"
The distribution (Pro) 
curl "https://apis.io/api/v1/cohorts/tag/segments/stats" \
  -H "X-API-Key: $APIS_IO_KEY"

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