established · 3.4

Subscribers

Score 28.3 / 100 45 providers 51 APIs Search apis.io →
Variants seen in the corpus: Subscriberssubscribers

Providers using this tag (45)

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

Exemplar 13 Complete, well-documented, and agent-ready
KitEmail MarketingCreator EconomyAutomation14 APIs85.6Salesforce Marketing CloudAutomationContent ManagementCustomer JourneyDigital Marketing17 APIs83.5MailchimpCampaignsEmail MarketingMarketing AutomationNewsletters120 APIs81.5MailerLiteEmail MarketingAutomationNewsletters9 APIs77.2ThanxRestaurantLoyaltyGuest EngagementMarketing14 APIs76.2SendPulseMarketingMarketing AutomationEmailTransactional Email19 APIs75.7AWeberEmail MarketingMarketing AutomationEmailNewsletters12 APIs73.5AttentiveCompanyMarTechSMS MarketingEmail Marketing19 APIs73.4ButtondownAnalyticsAutomationsEmailMarkdown30 APIs71.5Campaign MonitorEmail MarketingCampaignsTransactional Email1 API71.4Zoho CampaignsEmail MarketingCampaignsMailing Lists2 APIs69.8MoosendEmail MarketingMarketing AutomationCampaignsMailing Lists1 API67.9NovuNotificationMessagingIn-AppEmail19 APIs66.6
Strong 6 Solid coverage with minor gaps
PostscriptSMSMarketingMessagingE-Commerce8 APIs64.3KindeAuthenticationAuthorizationCustomer IdentityIdentity Management31 APIs62.9ParagraphCompanyPublishingNewslettersWeb310 APIs60.8PabblyAutomationEmail MarketingSubscription BillingBilling7 APIs57.3AutomatticCompanyContent ManagementPublishingBlogging9 APIs56.8DripEmail MarketingMarketing AutomationE-CommerceCustomer Engagement12 APIs56.5
Developing 14 Usable, with meaningful gaps to close
OracleCloudDatabaseEnterpriseInfrastructure378 APIs53.0listmonkEmailNewsletterMailing ListMarketing8 APIs52.5ManyChatChat MarketingMessenger MarketingConversational CommerceMarketing Automation5 APIs51.6Amazon Security LakeData LakeSecuritySIEMThreat Detection3 APIs51.4EmotiveCompanyMarketingSMSMessaging8 APIs50.0MavrckCompanyInfluencer MarketingCreator EconomyMarketing183 APIs49.8AppsMaxCompanySoftware-as-a-ServiceMessagingBusiness Automation9 APIs47.9ServiceChannelCompanyServicesFacilities ManagementWork Orders66 APIs45.5BigCommerceE-CommerceRetailCatalogOrder161 APIs43.9KitEmail MarketingCreator EconomyNewslettersAutomation4 APIs43.2Elastic PathCommerceHeadless CommerceComposable CommerceE-Commerce100 APIs42.0Spike.shIncident ManagementOn-CallAlertingEscalation Policies17 APIs41.9TransistorPodcastingPodcast HostingAnalyticsMedia6 APIs40.2SorryStatus PagesIncident ManagementDeveloper ToolsMonitoring5 APIs39.4
Thin 11 Limited public surface area
KindeAuthenticationUser ManagementIdentityAuthorization27 APIs38.5SmartrrSubscriptionLoyaltyShopifyE-Commerce6 APIs38.2RevenueCatSubscriptionIn-App PurchasesBillingMobile12 APIs37.3NeynarFarcasterSocialDecentralizedWeb339 APIs35.7PagSeguro / PagBankPaymentsCheckoutPixBoleto33 APIs34.8StatuspageStatus PageIncident CommunicationIncident ManagementUptime4 APIs34.5SymphonyCollaborationCommunicationsFinancial-ServicesMessaging46 APIs32.3LocBox LabsCompanyMarketingPromotionsLocal Marketing1 API32.0Global System for Mobile CommunicationsMobileNetworkingNetworksStandards29 APIs31.2SkioSubscriptionShopifyE-CommerceDirect to Consumer4 APIs28.5GumroadDigital CommerceCreator EconomyDigital ProductsMemberships1 API28.4
Emerging 1 Early or largely undocumented
Amazon Web ServicesAmazonCloudNetworkIndex1804 APIs16.7

APIs with this tag (51)

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 14 Complete, well-documented, and agent-ready
Kit Subscribers APIThe Subscribers API from Kit — 7 operation(s) for subscribers.85.6Contacts APIREST API for creating, reading, updating, and deleting contacts in Marketing Cloud.83.5Mailchimp Subscribers APIThe Subscribers API from Mailchimp — 2 operation(s) for subscribers.81.5MailerLite Subscribers APIThe Subscribers API from MailerLite — 4 operation(s) for subscribers.77.2Thanx Subscribers APIIngest marketing subscribers.76.2SendPulse Web Push APIBrowser push notifications — websites, subscriptions, segmentation, scheduled broadcasts and delivery stati...75.7AWeber Subscribers APIThe Subscribers API from AWeber — 12 operations for adding, reading, updating, moving, searching and deleti...73.5Attentive GraphQL APIAttentive's GraphQL API (beta) at POST https://api.attentivemobile.com/v1/graphql, authenticated with the s...73.4Attentive Subscribers APIUse the Subscribers API to manage subscriptions. With this API, you can programmatically subscribe and unsu...73.4Buttondown Subscribers APIThe Subscribers API from Buttondown — 12 operation(s) covering subscriber lifecycle — creation, updates, ta...71.5Campaign 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...67.9Novu Subscribers APIA subscriber in Novu represents someone who should receive a message. A subscriber's profile information co...66.6
Strong 9 Solid coverage with minor gaps
Postscript Compliance APITCPA opt-out and data redaction for a subscriber, addressable by subscriber id, phone, email or Shopify cus...64.3Postscript Partner APIThe Postscript Partner API v2 enables partners and Shopify shops to manage SMS subscribers, read opt-in key...64.3Postscript Subscribers APIRead, filter, page and update a shop's SMS subscribers. Filters use suffixed operators (__eq, __gt, __conta...64.3Kinde Subscribers APIThe Subscribers API from Kinde — 2 operation(s) for subscribers.62.9Paragraph subscribers APIOperations related to subscriber management (requires API key)60.8Pabbly Email Marketing APIREST API for Pabbly Email Marketing — 23 documented operations across subscribers (upsert semantics on crea...57.3WordPress.com REST API - wpcom/v2 namespaceThe WordPress.com and Jetpack platform extension namespace — 1,716 operations covering hosting and code dep...56.8Drip REST APIREST API for Drip exposing subscribers, tags, custom fields, broadcasts, email campaigns, events, conversio...56.5Drip Subscribers APIThe Subscribers API from Drip — 2 operation(s) for subscribers.56.5
Developing 16 Usable, with meaningful gaps to close
Oracle Subscribers APIThe subscribers API from Oracle — 5 operation(s) for subscribers.53.0listmonk Subscribers APIThe Subscribers API from listmonk — 10 operation(s) for subscribers.52.5ManyChat REST APIREST API for managing subscribers, custom fields, tags, bot fields, flows, and sending messages in ManyChat...51.6Amazon Security Lake Subscribers APISubscriber management for data access51.4Emotive Lists API (Subscriber Engine)List Growth API for opting customers in to SMS and email from an external system. Returns the active signup...50.0Emotive Sensus Webhooks APIInbound webhook receiver on the Emotive API gateway — create subscribers singly and in bulk, set profile pr...50.0Mavrck Subscribers APIThe Subscribers API from Mavrck — 3 operation(s) for subscribers.49.8AppsMax Subscribers APIПодписчики и их сегментационные теги.47.9ServiceChannel Subscribers APIThe Subscribers API from ServiceChannel — 9 operation(s) for subscribers.45.5BigCommerce Subscribers APIBigCommerce Customers API Definition.43.9Kit API V3 (Deprecated)The legacy ConvertKit V3 API is deprecated and slated for discontinuation; new integrations should target V4.43.2Kit Subscribers APISubscriber records and lifecycle43.2Elastic Path Subscribers APIA subscriber is someone who subscribes to your plan or service.42.0Spike.sh Subscribers APIStatus page subscriber management endpoints41.9Transistor Subscribers APIPrivate (subscriber-only) podcast subscribers.40.2Sorry Subscribers APIManage subscriber lists for status page notifications39.4
Thin 11 Limited public surface area
Kinde Subscribers APIThe Subscribers API from Kinde — 2 operation(s) for subscribers.38.5Smartrr Subscribers APICustomer relationships (subscribers) - the Shopify customers who hold subscriptions, their payment methods,...38.2RevenueCat Subscribers APIv1 customer (app user) records, attributes, and state.37.3Neynar Subscribers APIOperations related to a subscriptions35.7PagSeguro / PagBank Subscribers APIThe Subscribers API from PagSeguro / PagBank — 3 operation(s) for subscribers.34.8Statuspage Manage APIREST API for managing Statuspage pages, components, component groups, incidents, incident templates, schedu...34.5Symphony Subscribers APIThe Subscribers API from Symphony — 1 operation(s) for subscribers.32.3Hownd Partner APIA secured REST API that lets an approved Hownd partner manage Subscribers on behalf of Hownd customers (mer...32.0GSMA Camara Project Scam Signal APIScam Signal API allows businesses to protect their customers from impersonation scams, particularly Authori...31.2Skio Subscribers APILook up storefront users (subscribers) and their addresses and payment methods, filter by email, and genera...28.5Gumroad v2 APIREST API for managing products, variants, offer codes, custom fields, sales, subscribers, license keys, res...28.4
Emerging 1 Early or largely undocumented
Amazon Web Services Subscribers APIThe Subscribers API from Amazon Web Services — 3 operation(s) for subscribers.16.7

Score breakdown

Frequency
55.9
log-scaled weighted occurrences
Breadth
1.2
spread across providers
Quality lift
64.0
mean composite of providers using it
Cohesion
8.1
strength of nearest seed neighbor

Related tags

Newsletters 9 co-occurrences Segments 12 co-occurrences Email Marketing 12 co-occurrences Segmentation 8 co-occurrences Transactional Email 7 co-occurrences Marketing Automation 12 co-occurrences Campaigns 15 co-occurrences Emails 5 co-occurrences

Where this tag comes from

Api tag49
Provider tag12
Openapi tag29
Openapi op tag118

Cohort brief

Auto-generated

The 45 providers in the APIs.io catalog tagged Subscribers, scored on the Kin Score. Every figure below is computed from the catalog — nothing here is written.

Providers
45
all scored
Mean Kin Score
52.7
+32.0 vs catalog 20.7
Mean Agent Readiness
33.6
+23.9 vs catalog 9.7
Spread
16.7–85.6
median 51.4 · σ 17.2
How the 45 split by band
Exemplar 13Strong 6Developing 14Thin 11Emerging 1Minimal 0
Facet averages, against the whole catalog
FacetThis cohortCatalogDifferenceScored
Contract Quality 57.2 17.5 +39.7 45
Access Clarity 57.5 22.3 +35.2 45
Operational Transparency 44.3 11.3 +33 45
Developer Ergonomics 48.2 17.9 +30.3 45
Discoverability 74.5 60.4 +14.1 45
Contract Governance 19.7 6.4 +13.3 45

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) 44% 16% +28
MCP server (first-party) 31% 7% +24
Agent Skills 0% 0% 0
OAuth scopes 31% 9% +22
Security 98% 88% +10
Arazzo workflows 11% 2% +9
Governance rules 40% 13% +27

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 Kit 85.6
  2. 2 Salesforce Marketing Cloud 83.5
  3. 3 Mailchimp 81.5
  4. 4 MailerLite 77.2
  5. 5 Thanx 76.2
  6. 6 SendPulse 75.7
  7. 7 AWeber 73.5
  8. 8 Attentive 73.4
  9. 9 Buttondown 71.5
  10. 10 Campaign Monitor 71.4
Top by Agent Readiness
  1. 1 Automattic 62.3
  2. 2 Kit 61
  3. 3 Salesforce Marketing Cloud 56.2
  4. 4 SendPulse 55.8
  5. 5 Drip 49.7
  6. 6 MailerLite 49.1
  7. 7 Thanx 48.1
  8. 8 Mailchimp 44.8
  9. 9 Paragraph 42.3
  10. 10 Oracle 41.9
All 45 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/subscribers"
All tags 
curl "https://apis.io/api/v1/tags?limit=25"
As a scored cohort 
curl "https://apis.io/api/v1/cohorts/tag/subscribers"
The distribution (Pro) 
curl "https://apis.io/api/v1/cohorts/tag/subscribers/stats" \
  -H "X-API-Key: $APIS_IO_KEY"

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