established · 3.5

WhatsApp

Score 26.6 / 100 67 providers 37 APIs Search apis.io →
Variants seen in the corpus: WhatsAppWhatsappwhatsapp

Providers using this tag (67)

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

Exemplar 10 Complete, well-documented, and agent-ready
BrevoMarketingMarketing AutomationEmail MarketingTransactional Email29 APIs87.3HubSpotAnalyticsCommerceContentCRM93 APIs82.4CloseCRMSales EngagementInside SalesCalling62 APIs79.1MoEngageCustomer EngagementMarketing AutomationCustomer Data PlatformPush Notifications11 APIs75.8SendPulseMarketingMarketing AutomationEmailTransactional Email19 APIs75.7Boom AiCompanyArtificial IntelligenceConversational AICustomer Engagement10 APIs73.0InfobipTelecommunicationsCroatiaCPaaSMessaging47 APIs71.0Facebook Business ManagerAdvertisingAnalyticsBusiness ManagementMarketing23 APIs68.6ActiveCampaignMarketing AutomationEmail MarketingCRMSales Automation43 APIs67.28x8TelecommunicationsUnited StatesCPaaSUCaaS36 APIs67.1
Strong 10 Solid coverage with minor gaps
TruoraIdentity VerificationKYCBackground ChecksFraud Prevention5 APIs63.7DotdigitalMarketing AutomationEmail MarketingSMSMMS4 APIs63.4MetaAdvertisingAnalyticsArtificial IntelligenceMessaging19 APIs60.9UnifonicCompanyEnterpriseCPaaSMessaging8 APIs59.7KudosityMessagingSMSMMSRCS2 APIs59.1InsiderCompanyCustomer EngagementPersonalizationCustomer Data Platform19 APIs57.6KaleyraCPaaSMessagingSMS6 APIs57.4PabblyAutomationEmail MarketingSubscription BillingBilling7 APIs57.3ThoughtlyVoice AIChat AIConversational AIAI Agents4 APIs56.0ZavuCompanyMessagingSMS21 APIs55.2
Developing 17 Usable, with meaningful gaps to close
Uncodie (now Makinari)CompanyArtificial IntelligenceAI AgentsCRM5 APIs54.2ManyChatChat MarketingMessenger MarketingConversational CommerceMarketing Automation5 APIs51.6SuprSendNotificationMulti-ChannelEmailSMS21 APIs51.3FynoNotificationMessagingCommunicationsPush Notifications10 APIs50.4SamuCompanyArtificial IntelligenceSalesSales Intelligence2 APIs49.2AgnoAI AgentsMulti-Agent SystemsPython FrameworkLLM21 APIs49.0Sendbird7 APIs48.0HilosCompanyMessagingAutomation6 APIs46.8CRM BonusCompanyRetailLoyaltyCashback1 API45.0BirdCommunicationsSMSEmail10 APIs44.2PlivoCommunicationsCPaaSVoiceSMS24 APIs44.0AvifyCompanyCommerceE-CommerceCRM2 APIs43.3CatnipCompanyChatbotsMessagingConversational AI3 APIs41.8ChatfuelCompanyChatbotsConversational AIMessaging3 APIs41.5Respond.ioMessagingOmnichannelCustomer Conversations6 APIs40.7AppgainCompanyMobile MarketingMarketing AutomationOmnichannel Messaging3 APIs39.6RasayelCompanyMessagingBusiness Messaging7 APIs39.5
Thin 11 Limited public surface area
SobotCompanyEnterpriseContact CenterCustomer Service4 APIs38.9SleekFlowMessagingOmnichannelCustomer Engagement7 APIs37.5TrengoCustomer EngagementOmnichannelShared InboxMessaging8 APIs37.2AdapterCompanyArtificial IntelligenceCognitionKnowledge Graph26 APIs36.8ATOMCompanyMessagingArtificial Intelligence2 APIs36.8MessenteCPaaSMessagingSMSViber11 APIs36.6TermiiMessagingSMSOTP6 APIs33.6WATIMessagingCustomer EngagementChatbots4 APIs32.9engageSPARKCompanyMessagingSMSVoice7 APIs31.4LandbotChatbotsConversational AINo-Code2 APIs30.6Replyr.aiCompanyArtificial IntelligenceChatbotsConversational AI1 API27.9
Emerging 14 Early or largely undocumented
ResulticksCompanyMarketingMarketing AutomationOmnichannel1 API25.3YaloCompanyArtificial IntelligenceConversational Commerce25.0tyntecNumber VerificationCPaaSSMS7 APIs24.8GupshupMessagingConversational AICPaaS6 APIs23.9Mybots.proCompanyAI AgentsConversational AIMessaging3 APIs21.7RevieCompanyReviewsMarketing21.5SetuEmbedded FinanceUPIBBPSAccount Aggregator8 APIs20.6Charles CoCompanyConversational CommerceMessaging1 API20.0AsaasPaymentsBillingSubscriptionPix20 APIs19.1VoltCompanyMessagingProductivity1 API16.9LastroCompanyPropTechReal-EstateArtificial Intelligence14.7WhelpCompanyCustomer-SupportOmnichannelMessaging14.4LeonaCompanyHealthHealthcareMessaging13.4August AICompanyArtificial IntelligenceHealthTelehealth12.1
Minimal 5 Almost no public developer surface
AppartaCompanyHospitalityRestaurantReservations10.7LuziaCompanyArtificial IntelligenceAI AssistantChatbots9.7ZapiaCompanyArtificial IntelligenceAssistantConversational AI9.7AxamerCompanyArtificial IntelligenceAI AgentsRestaurant9.2NexiuCompanyRecruitingHuman ResourcesAutomation5.7

APIs with this tag (37)

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 6 Complete, well-documented, and agent-ready
HubSpot Engagement Communications APIThe communications API allows you to log WhatsApp, LinkedIn, or SMS messages to CRM record timelines. You c...82.4SendPulse WhatsApp Chatbot APIWhatsApp Business chatbots — bots, subscribers, variables, flows, campaigns, chats and pre-approved templat...75.7Infobip WhatsApp APIWith 2 billion users, WhatsApp is the most used application worldwide. It enables you to reach more custome...71.0Facebook WhatsApp Business Platform APISend and receive messages, manage business profiles, and automate customer communications through the Whats...68.6ActiveCampaign WhatsApp APIThe WhatsApp API from ActiveCampaign — 13 operation(s) for listing, retrieving, updating and deleting Whats...67.2Business Messaging API8x8 Business Messaging (Chat Apps) API for sending and receiving rich messages over WhatsApp Business, RCS,...67.1
Strong 10 Solid coverage with minor gaps
Dotdigital CPaaS APIThe Communications Platform as a Service estate under /cpaas — omnichannel outbound and inbound messaging a...63.4WhatsApp Business Management APIManage WhatsApp Business accounts, phone numbers, message templates, and business profiles programmatically.60.9WhatsApp Cloud APISend and receive messages, manage phone numbers, and build messaging experiences on WhatsApp using Meta's c...60.9Unifonic Conversations (WhatsApp) APIThe Unifonic Conversations API sends WhatsApp template and session messages and manages the WhatsApp servic...59.7Transmit Message APICurrent v2 REST API covering SMS, MMS, WhatsApp and RCS, plus API-managed webhooks with event-type filterin...59.1Insider One Contact APIPer-channel subscription state and first-party segment upload. v1 unsubscribes from the channel database; v...57.6Insider One Gateway API (OAuth 2.0)The OAuth 2.0 gateway: WhatsApp v2 transactional and conversational send, plus webhook settings registratio...57.6Insider One Verify (OTP) APIOne-time-passcode channels and templates for SMS and WhatsApp: create and update channels, manage OTP templ...57.6Insider One WhatsApp APITransactional and conversational WhatsApp sending — template, text, media, location, button-reply and carou...57.6Pabbly Chatflow APIREST API for Pabbly Chatflow, a WhatsApp Business messaging platform. 33 documented operations covering 18 ...57.3
Developing 9 Usable, with meaningful gaps to close
Makinari Agents APIPer-agent HTTP endpoints — 48 documented operations under /api/agents/* covering chat (including a WebSocke...54.2API SamuREST API for the Samu conversation-intelligence platform. Covers account users, meeting creation and update...49.2Agno Whatsapp APIThe Whatsapp API from Agno — 2 operation(s) for whatsapp.49.0Sendbird Business Messaging APIThe Sendbird Business Messaging API enables omnichannel customer engagement through SMS, WhatsApp, and othe...48.0Hilos WhatsApp APIThe WhatsApp API from Hilos — 3 operation(s) for whatsapp.46.8Plivo Message APISend and retrieve SMS, MMS, and WhatsApp messages.44.0Chatfuel Contacts APIBulk-create WhatsApp contacts inside a Chatfuel automation. POST a list of up to 1,000 E.164 phone numbers ...41.8Chatfuel Contacts APIThe only documented Chatfuel API operation as of 2026-08-13. POST https://panel.chatfuel.com/api/contacts/{...41.5Appgain Notify APIThe messaging send service. A single POST /{projectId}/send endpoint whose channel is selected by the top-l...39.6
Thin 8 Limited public surface area
Trengo WhatsApp APISend approved WhatsApp Business templates.37.2Adapter Whatsapp APIThe Whatsapp API from Adapter — 2 operation(s) for whatsapp.36.8Atom Customers APIREST service for managing the customer (cliente) records behind Atom's WhatsApp conversations. The provider...36.8Atom WhatsApp Templates APIREST service for sending pre-approved WhatsApp template messages from an account's official WhatsApp number...36.8WATI WhatsApp Business APITenant-scoped REST API for sending WhatsApp template and session messages, managing contacts, assigning ope...32.9engageSPARK WhatsApp APIThe WhatsApp API from engageSPARK — 3 operation(s) for whatsapp.31.4Landbot Platform APIREST API for managing Landbot resources including channels, customers, customer fields, message hooks, webh...30.6Replyr Platform APIREST API for the Replyr operator console at app.replyr.ai. Covers business account details, admins and team...27.9
Emerging 4 Early or largely undocumented
tyntec Conversations APIOne API for WhatsApp Business, Viber, and SMS. Send single (POST /messages) or bulk (POST /bulks) messages,...24.8Gupshup Partner APIToken-authenticated Partner surface (partner.gupshup.io) for BSPs and resellers - manage apps, templates, s...23.9Setu WhatsApp CollectAutomates payment reminders and bill-pay journeys over WhatsApp, combining BBPS bill fetch and UPI collecti...20.6Asaas Payment Links APIGenerate reusable payment links ("links de pagamento") for one-off or recurring collection over WhatsApp, S...19.1

Score breakdown

Frequency
54.4
log-scaled weighted occurrences
Breadth
1.8
spread across providers
Quality lift
51.7
mean composite of providers using it
Cohesion
14.6
strength of nearest seed neighbor

Related tags

SMS 29 co-occurrences Customer Engagement 17 co-occurrences CPaaS 12 co-occurrences Omnichannel 12 co-occurrences Chatbots 16 co-occurrences Messaging 47 co-occurrences Conversational Commerce 7 co-occurrences OTP 8 co-occurrences

Where this tag comes from

Api tag37
Provider tag55
Openapi tag5
Openapi op tag13

Cohort brief

Auto-generated

The 67 providers in the APIs.io catalog tagged WhatsApp, scored on the Kin Score. Every figure below is computed from the catalog — nothing here is written.

Providers
67
all scored
Mean Kin Score
42
+21.3 vs catalog 20.7
Mean Agent Readiness
25.5
+15.8 vs catalog 9.7
Spread
5.7–87.3
median 41.5 · σ 20.5
How the 67 split by band
Exemplar 10Strong 10Developing 17Thin 11Emerging 14Minimal 5
Facet averages, against the whole catalog
FacetThis cohortCatalogDifferenceScored
Access Clarity 48.1 22.3 +25.8 67
Contract Quality 40 17.5 +22.5 67
Developer Ergonomics 40.3 17.9 +22.4 67
Operational Transparency 32.5 11.3 +21.2 67
Discoverability 74.6 60.4 +14.2 67
Contract Governance 14.5 6.4 +8.1 67

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) 51% 16% +35
MCP server (first-party) 33% 7% +26
Agent Skills 0% 0% 0
OAuth scopes 22% 9% +13
Security 99% 88% +11
Arazzo workflows 6% 2% +4
Governance rules 18% 13% +5

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 HubSpot 82.4
  3. 3 Close 79.1
  4. 4 MoEngage 75.8
  5. 5 SendPulse 75.7
  6. 6 Boom Ai 73
  7. 7 Infobip 71
  8. 8 Facebook Business Manager 68.6
  9. 9 ActiveCampaign 67.2
  10. 10 8x8 67.1
Top by Agent Readiness
  1. 1 Boom Ai 71.9
  2. 2 MoEngage 59.4
  3. 3 SendPulse 55.8
  4. 4 HubSpot 54.4
  5. 5 Close 49.7
  6. 6 Brevo 49.6
  7. 7 Samu 48.6
  8. 8 ActiveCampaign 47.9
  9. 9 Infobip 47.7
  10. 10 Insider 46.4
All 67 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.

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  • 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.
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Call it yourself

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

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