established · -0.8 market domain

WhatsApp

Score 24.5 / 100 111 providers +19 via APIs 43 APIs Search apis.io →
Business capabilities this tag reaches
Marketing Management 1 Application Communications 1

Providers using this tag (111)

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

Exemplar 10 Complete, well-documented, and agent-ready
BrevoMarketingMarketing AutomationEmail MarketingTransactional Email21 APIs81.3CloseCRMSales EngagementInside SalesCalling2 APIs77.2WhatsAppMessagingAnalyticsBusiness Messaging3 APIs72.3SinchCommunicationsMessagingSMSVoice25 APIs71.6DotdigitalMarketing AutomationEmail MarketingSMSMMS43 APIs69.8TwilioAuthenticationCommunicationsContact CenterEmail55 APIs90.8InfobipTelecommunicationsCroatiaCPaaSMessaging50 APIs86.9Boom AiCompanyArtificial IntelligenceConversational AICustomer Engagement1 API78.6Microsoft Azure Communication ServicesMicrosoft AzureCPaaSCallingChat22 APIs73.7MoEngageCustomer EngagementMarketing AutomationCustomer Data PlatformPush Notifications30 APIs68.0
Strong 12 Solid coverage with minor gaps
envoisms-maCompanySMSMessaging1 API65.4KudosityMessagingSMSMMSRCS2 APIs64.2ZavuCompanyMessagingSMS1 API62.0InstasentCompanyMessagingSMSRCS4 APIs60.6UnifonicCompanyEnterpriseCPaaSMessaging3 APIs60.5chatrail-devMessagingArtificial IntelligenceDevelopers1 API58.39botAutomationBotMessaging1 API57.4SentSMSRCSMessaging API1 API56.7CoraPilotCompanyMessagingMCP2 APIs55.3ManyChatChat MarketingMessenger MarketingConversational CommerceMarketing Automation3 APIs54.3TruoraIdentity VerificationKYCBackground ChecksFraud Prevention1 API60.8InsiderCompanyCustomer EngagementPersonalizationCustomer Data Platform18 APIs56.1
Developing 29 Usable, with meaningful gaps to close
BluetickedCommunicationsSouth AfricaSMS1 API53.3wbiztool-comCompanyMessagingAutomation1 API52.7Netcore CloudCompanyEmailSMS9 APIs52.5iZap.aiRestaurant1 API50.4HilosCompanyMessagingAutomation1 API49.8BirdCommunicationsSMSEmail21 APIs49.3Hellou AIArtificial IntelligenceCommunicationsCustomer Service1 API49.3socials-homesCompanyHousingRentalsInternational1 API49.2CallChatSynCompanyAI ReceptionistAnswering ServiceVoice AI1 API49.1AvifyCompanyCommerceE-CommerceCRM2 APIs48.6whatsync-appArtificial IntelligenceChatGPTClaude1 API48.6WassengerCompanySoftware-as-a-ServiceBusiness-API1 API48.1360dialogCompanyMessagingBusiness2 APIs47.9KaleyraCPaaSMessagingSMS1 API47.3wapiworld-comMessagingDeveloper PlatformCommunications1 API47.2ThoughtlyVoice AIChat AIConversational AIAI Agents1 API46.7ErzyCallAI CallVirtual ReceptionistInbound CallsOutbound Calls2 APIs44.6ChatfuelCompanyChatbotsConversational AIMessaging3 APIs43.3waspytech-comCompanyCRMMessaging2 APIs41.5RasayelCompanyMessagingBusiness Messaging1 API39.3PabblyAutomationEmail MarketingSubscription BillingBilling7 APIs53.6SendbirdCustomer ServiceVoiceVideoOmnichannel1 API52.1SamuCompanyArtificial IntelligenceSalesSales Intelligence1 API51.9SuprSendNotificationMulti-ChannelEmailSMS1 API50.1JefeCompanyRestaurantFood Ordering1 API49.4engageSPARKCompanyMessagingSMSVoice1 API46.9AppgainCompanyMobile MarketingMarketing AutomationOmnichannel Messaging3 APIs45.0CRM BonusCompanyRetailLoyaltyCashback1 API44.1FynoNotificationMessagingCommunicationsPush Notifications1 API41.4
Thin 20 Limited public surface area
ClickatellCompanySMSMessaging7 APIs38.8PlivoCommunicationsCPaaSVoiceSMS1 API38.6Respond.ioMessagingOmnichannelCustomer Conversations1 API37.9TrengoCustomer EngagementOmnichannelShared InboxMessaging1 API37.5ATOMCompanyMessagingArtificial Intelligence2 APIs37.1FavCRMCompanyCRMAppointmentMembership1 API36.5SleekFlowMessagingOmnichannelCustomer Engagement1 API36.0ClerkChatCompanyAI AgentsCustomer ServiceChatbots1 API33.9WATIMessagingCustomer EngagementChatbots1 API31.9darkfunnels-aiArtificial IntelligenceSales AutomationPeru1 API31.4green-api-comCompanyMessagingIntegration2 APIs31.4whatsapi-shCompanyMessagingDeveloper Tools1 API31.3com-botMessagingAutomationSoftware-as-a-Service1 API30.3BotaCar RentalAI Automationvoice-calls2 APIs29.7MessenteCPaaSMessagingSMSViber1 API28.8Mybots.proCompanyAI AgentsConversational AIMessaging3 APIs28.1otprun-comCompanyMessagingArtificial Intelligence26.5SobotCompanyEnterpriseContact CenterCustomer Service4 APIs39.0growaify-comAI ReceptionistVoice ReceptionistAutomation1 API31.3Replyr.aiCompanyArtificial IntelligenceChatbotsConversational AI1 API29.2
Emerging 30 Early or largely undocumented
TermiiMessagingSMSOTP1 API25.5HomeMasterHome ServicesSingaporeCleaningAir Conditioning1 API24.4GupshupMessagingConversational AICPaaS1 API24.1YaloCompanyArtificial IntelligenceConversational Commerce24.0Cluvi AICompanyRestaurantHospitalityReservations1 API22.4uni-msg-comMessagingAutomationBulk Messaging1 API22.2OrbitelCompanyCPaaSMessagingSMS21.8LandbotChatbotsConversational AINo-Code2 APIs20.6Charles CoCompanyConversational CommerceMessaging1 API19.6LitjobJob SearchArtificial IntelligenceResume TailoringChrome Extension1 API19.2Grupy.chatArtificial IntelligenceSummarizationAutomation1 API18.4waply-onlineCompanyArtificial IntelligenceVoice18.3RevieCompanyReviewsMarketing17.9Azul CRDirectoryCosta RicaBusiness1 API17.8pixharvest-comCompanyPrintingQuoting17.6waapi-appCompanyMessagingCommunications1 API17.3DripRavenMessagingArtificial IntelligenceAutomation1 API16.9WhelpCompanyCustomer ServiceOmnichannelMessaging15.1AtendioArtificial IntelligenceChatbotsBusiness14.8VoltCompanyMessagingProductivity1 API14.8LeonaCompanyHealthHealthcareMessaging14.1NexiuCompanyRecruitingHuman ResourcesAutomation12.6Robylon AICustomer ServiceAI AgentsConversational AIVoice1 API11.2ZenviaCustomer CloudCustomer Experience11.2ResulticksCompanyMarketingMarketing AutomationOmnichannel1 API26.1ChatwikArtificial IntelligenceAI AgentsChatbotsLive Chat1 API24.3tyntecNumber VerificationCPaaSSMS1 API16.8LastroCompanyPropTechReal EstateArtificial Intelligence15.6AxamerCompanyArtificial IntelligenceAI AgentsRestaurant14.7August AICompanyArtificial IntelligenceHealthTelehealth12.9
Minimal 10 Almost no public developer surface
ZapiaCompanyArtificial IntelligenceAssistantConversational AI10.1LuziaCompanyArtificial IntelligenceAI AssistantChatbots9.7q2bot-comCompanyE-CommerceArtificial Intelligence1 API9.7BirthstarAstrologyVedicBirthChart8.6ArtifactosInsuranceArtificial IntelligenceAutomation7.4openbsp-devCompanyOpen SourceMessaging6.3DokladBotAccountingAutomationCzech RepublicSmall Business3.9YaloArtificial IntelligenceConversational AISalesCustomer Engagement1.8VerimorSMS8.9AppartaCompanyHospitalityRestaurantReservations6.5

APIs with this tag (43)

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 9 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...91.9Azure Communication Services Advanced Messaging APIAdvanced Messages API: send WhatsApp notification messages, list templates and download media. 3 operations...73.7Facebook WhatsApp Business Platform APISend and receive messages, manage business profiles, and automate customer communications through the Whats...72.8WhatsApp Whats App APIThe Whats App API from WhatsApp — 1 operation(s) for whats app.72.3Sinch Provisioning APIProvision messaging channels such as WhatsApp, RCS, KakaoTalk and Conversation API apps, including senders,...71.6Dotdigital Whats App APIThe Whats App API from Dotdigital — 2 operation(s) for whats app.69.8Vonage Whats App APIThe Whats App API from Vonage — 1 operation(s) for whats app.68.8Iterable Whats App APIThe Whats App API from Iterable — 2 operation(s) for whats app.68.3postproxy-dev Whats App APIWhatsApp Business: message templates, phone number administration, business profile, blocked users, groups,...68.3
Strong 11 Solid coverage with minor gaps
Ringover WhatsApp APIManage WhatsApp Business messaging. Send template messages, manage templates, and handle WhatsApp conversat...64.5Kudosity Whats App APIThe Whats App API from Kudosity — 2 operation(s) for whats app.64.2CM.com Whats App APIThe Whats App API from CM.com — 37 operation(s) for whats app.62.5Unifonic Conversations (WhatsApp) APIThe Unifonic Conversations API sends WhatsApp template and session messages and manages the WhatsApp servic...60.5Famulor Whats App APIWhatsApp-Sender, Templates und Nachrichtenversand.58.4WhatsApp Business Management APIManage WhatsApp Business accounts, phone numbers, message templates, and business profiles programmatically.56.7WhatsApp Cloud APISend and receive messages, manage phone numbers, and build messaging experiences on WhatsApp using Meta's c...56.7Insider Whats App APIThe Whats App API from Insider — 4 operation(s) for whats app.56.1Cubi Estate Whats App APIThe Whats App API from Cubi Estate — 1 operation(s) for whats app.56.0CoraPilot WhatsApp APIThe whatsapp API from CoraPilot — 12 operation(s) for whatsapp.55.3AgentPhone WhatsApp APIThe whatsapp API from AgentPhone — 6 operation(s) for whatsapp.54.8
Developing 10 Usable, with meaningful gaps to close
Pabbly Chatflow APIREST API for Pabbly Chatflow, a WhatsApp Business messaging platform. 33 documented operations covering 18 ...53.6Sendbird Business Messaging APIThe Sendbird Business Messaging API enables omnichannel customer engagement through SMS, WhatsApp, and othe...52.1Makinari Agents APIPer-agent HTTP endpoints — 48 documented operations under /api/agents/* covering chat (including a WebSocke...51.7proweblook-com Whats App APIWhatsApp number verification, including lookup-host validation and batch50.0Hilos Whats App APIThe Whats App API from Hilos — 3 operation(s) for whats app.49.8Chatinbox Whats App APIThe Whats App API from Chatinbox — 1 operation(s) for whats app.49.4engageSPARK Whats App APIThe Whats App API from engageSPARK — 3 operation(s) for whats app.46.9Asaas Payment Links APIGenerate reusable payment links ("links de pagamento") for one-off or recurring collection over WhatsApp, S...46.2Appgain Notify APIThe messaging send service. A single POST /{projectId}/send endpoint whose channel is selected by the top-l...45.0Chatfuel Contacts APIThe only documented Chatfuel API operation as of 2026-08-13. POST https://panel.chatfuel.com/api/contacts/{...43.3
Thin 8 Limited public surface area
Agno Whats App APIThe Whats App API from Agno — 2 operation(s) for whats app.38.9Plivo Message APIThe Plivo Message API sends and receives SMS, MMS, and WhatsApp messages, retrieves delivery status reports...38.6Trengo Whats App APISend approved WhatsApp Business templates.37.5Atom Customers APIREST service for managing the customer (cliente) records behind Atom's WhatsApp conversations. The provider...37.1Atom WhatsApp Templates APIREST service for sending pre-approved WhatsApp template messages from an account's official WhatsApp number...37.1JustCall Whats App APIThe Whats App API from JustCall — 5 operation(s) for whats app.37.0Adapter Whats App APIThe Whats App API from Adapter — 2 operation(s) for whats app.36.5WATI WhatsApp Business APITenant-scoped REST API for sending WhatsApp template and session messages, managing contacts, assigning ope...31.9
Emerging 5 Early or largely undocumented
ChatwikChatwik's publicly consumable surfaces: an llms.txt / llms-full.txt agent-native discovery file and product...24.3Gupshup Partner APIToken-authenticated Partner surface (partner.gupshup.io) for BSPs and resellers - manage apps, templates, s...24.1Landbot Platform APIREST API for managing Landbot resources including channels, customers, customer fields, message hooks, webh...20.6tyntec Conversations APIOne API for WhatsApp Business, Viber, and SMS. Send single (POST /messages) or bulk (POST /bulks) messages,...16.8Setu WhatsApp CollectAutomates payment reminders and bill-pay journeys over WhatsApp, combining BBPS bill fetch and UPI collecti...11.1

Companies reaching this through an API (19)

These companies publish an API, specification or operation carrying “WhatsApp” but do not classify their business under it. Listed unranked and kept out of the count above, because one tagged operation is not a statement about what a company does.

Adapter AgentPhone Agno Asaas Chatinbox CM.com Cubi Estate Facebook Business Manager Famulor HubSpot Iterable JustCall Meta postproxy-dev proweblook-com Ringover Setu Uncodie (now Makinari) Vonage

Score breakdown

Frequency
57.1
log-scaled weighted occurrences
Breadth
1.4
spread across providers
Quality lift
37.5
mean composite of providers using it
Cohesion
15.5
strength of nearest seed neighbor

Related tags

SMS 46 co-occurrences Messaging 73 co-occurrences CPaaS 19 co-occurrences Customer Engagement 19 co-occurrences Omnichannel 14 co-occurrences Chatbots 19 co-occurrences Phone Numbers 12 co-occurrences

Where this tag comes from

Provider tag111
Api tag42
Openapi tag17
Openapi op tag61

Markets provisional

Kin Score markets whose measured providers carry this tag. Share is the fraction of the market's measured providers that carry it — it describes the market, not this tag.

MarketShare of the market's providers
Communications (CPaaS)20%

Cohort brief

Auto-generated

The 101 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
101
of 111 in the catalog
Mean Kin Score
38.3
+14.2 vs catalog 24.1
Mean Agent Readiness
28
+13.9 vs catalog 14.1
Spread
3.9–90.8
median 37.9 · σ 20.3
How the 101 split by band
Exemplar 10Strong 10Developing 27Thin 19Emerging 29Minimal 6
Facet averages, against the whole catalog
FacetThis cohortCatalogDifferenceScored
Access Clarity 48.3 30 +18.3 101
Contract Quality 34.7 18.6 +16.1 101
Developer Ergonomics 40.2 24.5 +15.7 101
Operational Transparency 22.8 13.2 +9.6 101
Discoverability 65.8 59.1 +6.7 101
Contract Governance 14.7 9.7 +5 101

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) 36% 18% +18
MCP server (first-party) 37% 16% +21
Agent Skills 0% 0% 0
OAuth scopes 20% 13% +7
Security 99% 99% 0
Arazzo workflows 3% 1% +2
Governance rules 60% 36% +24

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 Twilio 90.8
  2. 2 Infobip 86.9
  3. 3 Brevo 81.3
  4. 4 Boom Ai 78.6
  5. 5 Close 77.2
  6. 6 Microsoft Azure Communication Services 73.7
  7. 7 WhatsApp 72.3
  8. 8 Sinch 71.6
  9. 9 Dotdigital 69.8
  10. 10 MoEngage 68
Top by Agent Readiness
  1. 1 whatsync-app 75.4
  2. 2 Hellou AI 67.7
  3. 3 Boom Ai 66.3
  4. 4 MoEngage 66.2
  5. 5 Bird 65.2
  6. 6 Blueticked 64.1
  7. 7 Infobip 61.3
  8. 8 Sinch 61.2
  9. 9 Close 60
  10. 10 Brevo 57.2
All 111 members of this roster resolve to a provider in the catalog; 101 carry a score (91%). The figures above describe the scored members only.
Coverage caveat. 65 of 101 scored members had under half their catalog-attributable points satisfied at all (catalog_earned / catalog_max < 0.5). They are INCLUDED in the mean above. A large share here means the cohort mean is partly a measurement of how far our enrichment reached, not only of how these providers publish.Generated from the catalog build of 14 November 2026, across 41591 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

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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 →

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