established · 0.0 market domain

Communications

Score 28.5 / 100 162 providers +39 via APIs 68 APIs Search apis.io →
Variants seen in the corpus: CommunicationCommunicationscommunications

Providers using this tag (162)

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

Exemplar 10 Complete, well-documented, and agent-ready
Amazon PinpointCampaignsEmailMarketing2 APIs82.2LeadpingLead ManagementSales & marketing automationSMS MessagingA2P 10DLC1 API79.6NylasCalendarContactsEmail2 APIs76.6TwilioAuthenticationContact CenterEmail40 APIs72.9Zoom PhoneTelecommunicationsUnited StatesUCaaSCloud PBX2 APIs72.4MailboxlayerEmailEmail VerificationEmail ValidationSMTP2 APIs71.9SMTP2GOEmailEmail DeliveryTransactional EmailSMTP1 API71.7Orange Business5GArtificial IntelligenceB2BCAMARA12 APIs70.1LoopsEmailEmail APIMarketing AutomationTransactional Email1 API69.1SignalWireCompanyCPaaSVoice4 APIs68.9
Strong 21 Solid coverage with minor gaps
HustleCompanyEnterpriseMessagingSMS1 API66.2GoToWebinarAttendeesCollaborationEvent3 APIs64.9Spruce HealthHealthcareHIPAASecure Messaging16 APIs64.9parcelLabPost-PurchaseE-CommerceTrackingReturns1 API64.8WeaveCompanyMessagingPayments1 API64.1AvayaContact CenterCollaborationArtificial Intelligence40 APIs62.4KixieCompanySales EngagementVoiceTelephony3 APIs60.7MailerSendEmailTransactional EmailSMTPMarketing1 API60.6KudosityMessagingSMSMMSRCS2 APIs60.0CloudTalkCompanyVoiceVoIP1 API58.9CommunityMessagingSMSConversational1 API58.2SendHubCompanySMSMessagingText Messaging1 API58.0Neutrino APIData ValidationData ToolsTelephony2 APIs57.6The Mobile First CompanyCompanyTelephonyVoice1 API57.3SimpleTextingSMSMMSMessagingMarketing1 API57.2SinchMessagingSMSVoice10 APIs57.2RingCentralUCaaSVoiceVideo1 API56.3ZavuCompanyMessagingSMSWhatsApp1 API56.1WebexCallingCollaborationEnterprise9 APIs55.8OpenPhoneCompanyVoiceSMS2 APIs54.8YoodliArtificial IntelligenceCoachingLearning and Development1 API54.8
Developing 28 Usable, with meaningful gaps to close
EntergramMessagingNotificationCRM1 API54.1Microsoft TeamsChatCollaborationMicrosoft-36511 APIs54.0BandwidthCPaaSVoiceMessaging3 APIs53.7ZoomChatCollaborationMeetings12 APIs53.3WherebyVideoReal-TimeWebRTC1 API52.8FynoNotificationMessagingPush Notifications1 API51.2VonageMessagingTelecommunicationsVideo Conferencing1 API51.0QuoCompanyMessagingSMS1 API50.7Phone ComCompanyVoIPTelephonyBusiness Phone1 API50.5NextivaCompanyVoiceContact Center5 APIs49.8NfonCompanyTelecomCloud TelephonyUCaaS3 APIs47.9VeritusCompanyFintechConsumer LendingCollection1 API47.7AptlyCompanyCloud SaasProperty ManagementReal-Estate1 API47.6FrontAppCompanyCustomer ServiceShared Inbox1 API47.0TruecallerCompanyConsumerCaller IDPhone Verification4 APIs46.6DiscordChatGamingMessaging3 APIs46.0Zoho CliqMessagingTeam CollaborationChatBots22 APIs45.7CommsHarborEmailTransactional EmailEmail Marketing1 API45.6BeeperCompanyConsumerMessagingChat1 API45.1KumospaceCompanyVirtual OfficeRemote WorkCollaboration1 API44.4AgentPhoneCompanyTelephonyPhone NumbersSMS1 API43.8TalkJSChatMessagingSDK1 API43.2TelesignAuthenticationFraud PreventionPhone Intelligence4 APIs43.1BirdSMSEmailWhatsApp6 APIs42.5PlivoCPaaSVoiceSMS1 API41.9WhippyMessagingSMSEmail1 API40.5DocumoFaxCloud FaxDocument DeliveryHIPAA1 API39.8WeavixFrontline WorkersWorkforce ManagementMessaging1 API39.8
Thin 39 Limited public surface area
BurnerCompanyPhone NumbersSMSMMS1 API39.2RainbowCPaaSChatVoice3 APIs39.2MirrorFly Messages APICPaaSChat / Messaging APIVoice API1 API39.1SMSAPIMessagingSMSMMSVoice1 API39.0DyteVideoVoiceReal-TimeWebRTC1 API38.2ConfrereCompanyVideoVideo Conferencing1 API38.1ClickSendSMSMMSVoice1 API37.9Cisco Webex MeetingsCollaborationEnterpriseMeetings1 API37.1SEDNACompanyShippingMaritimeEmail1 API36.7TextmagicSMSText MessagingMessaging1 API36.4JustCallVoiceSMSCloud PhoneContact Center1 API35.8SobotCompanyEnterpriseContact CenterCustomer Service4 APIs35.8AlianzaCompanyCloud CommunicationsVoice2 APIs35.6TelnyxCPaaSVoiceSMS1 API35.6ChertCompanyMessagingiMessage1 API34.5TelefonCall RecordingCPaaSGlobal Coverage4 APIs34.5engageSPARKCompanyMessagingSMSVoice1 API34.146elksCPaaSSMSMMSVoice1 API33.8GroupMeCompanyConsumerMessagingChat1 API33.8Textla Inc.CompanySMSText MessagingBusiness Messaging33.5MoviusCompanyMessagingMobile1 API32.7LoomProductivityVideoAsync5 APIs32.4Muck RackPublic RelationsMedia MonitoringMedia DatabaseJournalists1 API32.4SymphonyCollaborationFinancial-ServicesMessaging10 APIs32.3LifesizeCompanyVideo ConferencingCollaboration2 APIs31.8AircallVoiceCloud PhoneCRM1 API31.2DialpadVoiceArtificial IntelligenceContact Center1 API30.6Africa's TalkingSMSUSSDVoice1 API30.4SightCallCompanyVideoWebRTCRemote Support1 API29.0Google MeetVideo ConferencingMeetingsCollaboration1 API28.5NewVoiceMediaCompanyCloudContact CenterCCaaS1 API28.1ClickSend SMSSMSMMSMessagingVoice1 API27.9SduiCompanyEducationEdTechSchools2 APIs27.7Motorola SolutionsPublic SafetyVideo SecurityIoT1 API27.3Federal Communications CommissionFederal-GovernmentOpen Data2 APIs27.2ExotelCloud TelephonyVoiceSMSIndia1 API27.1RR Donnelley And SonsMarketingPrint ServicesDirect Mail27.0Cisco Control HubAdministrationCallingCollaboration1 API26.5OurPeopleWorkforceFrontline1 API26.3
Emerging 26 Early or largely undocumented
SuperhumanCompanyEmailProductivityArtificial Intelligence25.8Microsoft SkypeMessagingMicrosoftVideo2 APIs24.8TruVideoCompanyCommerceVideoMessaging1 API24.3SignpostCompanyEnterpriseVirtual ReceptionistAnswering Service22.8AirPRCompanyPublic RelationsMedia IntelligenceMedia Monitoring1 API22.3CarbyneCompanyEmergency ServicesPublic Safety21.3xMattersIncident ManagementOn-CallAlertingService Reliability1 API21.3VoxerCompanyPush To TalkWalkie-Talkie20.9GupshupMessagingWhatsAppConversational AICPaaS1 API20.1LaunchNotesChangelogDeprecationProduct1 API19.2MoxtraCollaborationCustomer EngagementMessagingVideo Conferencing1 API17.8VoltCompanyWhatsAppMessagingProductivity1 API16.9PigeonlyCompanyInmate CommunicationCorrectionsPrison Calls16.4IntermediaCloudContact CenterVideo Conferencing5 APIs16.2BesideCompanySoftwareVoice16.1SpikeCompanyEmailCollaborationTeam Chat16.0SmoreCompanyEducationEdTechNewsletters15.1Confide *CompanyConsumerMessagingEncryption14.9Joya CommunicationsCompanyVideo ChatVideo MessagingMessaging14.9CometaCompanyEducationEdTechSchool Management13.7Manifest LawCompanyLegalLegal TechCase Management1 API13.5RyloCompanyConsumerAccessibilityCaptioning12.7UmonyCompanyComplianceCall Recording12.6CaremessageCompanyHealthcarePatient EngagementMessaging12.5PreparedCompanyEmergency ResponsePublic Safety91112.0CesiumAstroCompanyHardtechAerospaceSatellite11.0
Minimal 29 Almost no public developer surface
CrewCompanyApplicationWorkforce ManagementFrontline10.5SatelliteCompanyCrypto Web3DecentralizedMessaging10.3Aptos OrbitalCompanySpaceSatelliteSpacecraft10.2ClubhouseCompanySocial AudioSocial NetworkingLive Audio10.2JiveCompanyEnterpriseCollaborationDigital Workplace9.4PingerCompanyTelecommunicationsMessaging9.4All City CommunicationsCompanyAnswering ServiceCall CenterTelecommunications9.2C2MCompanySocialMessagingChat9.2DialupCompanyVoiceSocial9.2RemindMessagingEducationK-129.0West Technology GroupCustomer ExperienceArtificial IntelligenceHealthcare8.1Northwood SpaceCompanySpaceSatelliteGround Station7.6VoxeetCompanyConferencingVoiceVideo7.5Blue Jeans NetworkCompanyEnterpriseVideo Conferencing6.4LiveprofileCompanyMessagingChat6.4Network ProtocolsInfrastructureNetworkingProtocols6.4VonBoxCompanyTelephonyMessaging6.1SonusCompanyInfrastructureNetworking5.4AroundCompanyVideoVideo ConferencingCollaboration5.3Cord *CompanyConsumerMessagingVoice5.0EchoStarConnectivityFortune 500IoT5.0FuzeCompanyCloudUnified CommunicationsUCaaS5.0HotmailCompanyEmailWebmailConsumer5.0TandemCompanyRemote WorkVirtual OfficeTeam Collaboration5.0TeamnoteCompanyEnterprise MessagingMobileCollaboration5.0Walkie-TalkieCompanyConsumerSocial AudioAudio5.0Quanta ServicesFortune 500InfrastructureEnergyElectric Power3.3Cedar Point CommunicationsCompanyTelecommunicationsVoIPSoftswitch1.8VoxoxCompanyTelecommunicationsCloud Communications1.5
Unrated 9 Not yet scored
FaxSavCompanyFaxInternet FaxMessaginginbilinCompanySocialVoiceMobileMakelogCompanyProductivityChangelogRelease NotesMessageMe *CompanyConsumerMessagingNovaxessCompanyTelecommunicationsDefunctSessionsCompanyCollaborationVideo ConferencingTalkoCompanyMessagingVoiceTalkrayCompanyMessagingVoiceVoiceVoiceCompanyConferencingAudio

APIs with this tag (67)

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 11 Complete, well-documented, and agent-ready
HubSpot Communication Preferences Subscriptions APIHubSpot Communication Preferences Subscriptions — 10 operation(s) from HubSpot's published OpenAPI.87.1HubSpot CRM Communications APIHubSpot CRM Communications — 14 operation(s) from HubSpot's published OpenAPI.87.1HubSpot Engagement Communications APIThe communications API allows you to log WhatsApp, LinkedIn, or SMS messages to CRM record timelines. You c...87.1Leadping Webhook EventsOutbound HTTPS webhook deliveries fired by Leadping automations, signed with the Standard Webhooks specific...79.6Microsoft Azure Communication Services APIAzure Communication Services provides multichannel communication APIs that enable developers to add voice, ...73.3Microsoft Azure Communications APIThe Communications API from Microsoft Azure — 6 operation(s) for communications.73.3Mailboxlayer Email Validation APIREST/JSON API for real-time email validation: syntax check, typo suggestions, MX-record lookup, SMTP verifi...71.9Orange Business Business Talk APIProgrammable management for Business Talk, Orange Business's enterprise SIP trunking and IP voice service. ...70.1Orange Business Contact Everyone APIMultichannel contact and notification API — SMS, voice, email, and fax broadcast — used for crisis communic...70.1Orange Business Voice as a Service APIProgrammable voice / VoIP API for integrating outbound calls, IVR, and click-to-call into business applicat...70.1Canvas Medical Communication APICommunications with or about a patient67.8
Strong 8 Solid coverage with minor gaps
SPOTIO Communication APIAPI for communication activities. You can retrieve data about communication activities. You can also marks ...65.7FireHydrantFireHydrant is an incident management platform providing automated runbooks, status pages, and retrospectiv...65.5Dolby.io Communications APILegacy Communications APIs for high-quality WebRTC voice and video conferencing with spatial audio, music m...63.1Gladly Communications APICommunications API enables you to programmatically send messages to your customers. These messages are non-...62.7Unity Vivox Voice and Text Chat APIVivox provides voice and text-based communication services for games, with APIs for managing channels, part...60.6Partnerize Communications APIThe Communications API from Partnerize — 7 operation(s) for communications.60.5Microsoft Graph Communications APICreate and join online meetings, manage call records, and enable cloud communications capabilities for appl...55.6MTN Group Communication APIThe Communication API from MTN Group — 4 operation(s) for communication.55.6
Developing 21 Usable, with meaningful gaps to close
Entergram API54.1JPMorgan Chase Communication APICommunication Update52.5Factorial Posts and Communities APIGroups, posts, and comments backing the Communities V2 feature. Requires Communities V2 to be enabled on th...51.3Vonage Conversations APIBuild multi-channel conversation experiences with threading across SMS, voice, and messaging channels. Mana...51.0Vonage Reports APIGenerate historical reports and lookup messages sent through your Vonage account. Access delivery receipts,...51.0Vonage Video APIEmbed live, interactive video into web, mobile, and desktop applications using WebRTC. Supports sessions, t...51.0Google Meet APIThe Google Meet API allows developers to build applications that integrate with Google Meet.50.6MedAdvisor Communication APIThe Communication API from MedAdvisor — 6 operation(s) for communication.49.5NHS England Communication APIThe communication API from NHS England — 4 operation(s) for communication.49.1Oracle Health (Cerner) Communication APIFHIR R4 Communication resource as implemented by Oracle Health Millennium Platform.48.4Dream Sports Communication APIThe Communication API from Dream Sports — 2 operation(s) for communication.48.0Front Core APIThe Front Core API is a REST API over Front's shared-inbox platform. It exposes conversations, messages, dr...47.0StackOne Unified Messaging APIStackOne Unified Messaging API standardizes communication workflows across platforms, with consistent data ...46.9Epic Online Services Voice APIThe EOS Voice Interface delivers in-game voice chat using Vivox backend infrastructure, with positional aud...46.8Paedae Communications APIThe Communications API from Paedae — 16 operation(s) for communications.46.0CommsHarbor APIREST/HTTP API (OpenAPI 3.1) for transactional email, deliverability, sending domains, permission-based mark...45.6AMCS Group Communication APIThe Communication API from AMCS Group — 3 operation(s) for communication.45.2Centene CCM Communication APICare and campaign management communication records — insert, update and merge operations over member commun...44.6Clio Communications APIUsers can view all logged phone calls and emails under the Communications tab in Clio. This is also where t...44.3NHS Digital communication APIThe communication API from NHS Digital — 4 operation(s) for communication.42.6Leo1 Communication APIThe Communication API from Leo1 — 3 operation(s) for communication.41.3
Thin 18 Limited public surface area
MirrorFly Chat Platform APIREST/HTTP API for chat and messaging (User and Admin APIs) with JSON payloads. Production base URL is tenan...39.1RelativityOne Communications APIOperations for legal hold communications and notifications39.1Kalshi communications APIRequest-for-quote (RFQ) endpoints37.6Frostbyte Communication API1 services36.4Select Medical FHIR R4 APILive HL7 FHIR R4 (4.0.1) patient-access API operated by Select Medical on its Epic platform (community et09...34.5Deutsche Telekom AI StudioBuild conversational customer experiences in natural language across SMS, RCS, voice, video, and chat chann...28.6Deutsche Telekom Conversational Connect APITransform customer communications with intelligent conversational marketing across messaging channels, inte...28.6Deutsche Telekom Reports APIProgrammatic access to communications usage data, delivery reports, and billing breakdowns across the CPaaS...28.6Deutsche Telekom Rich Communication Services APIImprove customer experience using Rich Communication Services for branded, interactive messaging that exten...28.6Deutsche Telekom SMS APIProgrammatically send and receive text messages in practically every country through Deutsche Telekom's CPa...28.6Deutsche Telekom Video APIBring people together globally through fully programmable, customizable, live video sessions embedded in ap...28.6Deutsche Telekom Voice APIDeliver high-quality voice experiences over the low-latency, feature-rich, global Deutsche Telekom network ...28.6Sdui Platform APIThe production JSON API behind the Sdui school-communication platform, serving the Sdui web app, the iOS/An...27.7Advanced Email Verification APIVerify an email address from a single query parameter and get a response with code and success. Useful for ...26.8ApyHub Communications APIThe Communications API from ApyHub — 3 operation(s) for communications.26.8Email Deliverability Score APICheck an email address for syntax, MX records, and disposable domains. Get a score, level, and boolean chec...26.8Email MX Lookup APICheck whether an email domain has MX records. Returns email, domain, has_mx, and mx_records for deliverabil...26.8Email Syntax Validator APIValidate an email address by syntax only and get the local part, domain, and valid flag back. Useful for fa...26.8
Emerging 8 Early or largely undocumented
Azure Communication ServicesAzure Communication Services (successor to Skype developer APIs) provides cloud-based communication APIs fo...24.8Skype URIs APISkype URIs provide a mechanism for launching Skype actions from web pages and applications. Developers can ...24.8Qualia Messages APISend and receive messages tied to an order or transaction, powering client communication and status notific...24.3Wodify Communications APIEmail, SMS, in-app chat, and tasks.22.2Subsplash Groups and Messaging APIManage groups, group membership, and messaging, and trigger push notifications and in-app messages through ...17.2FranConnect CRM APICRM module (path segment "cm"). Read and write contacts and relationship/communication records that support...16.5Buildium Communications APIManages emails, notes, and other communications stored against properties, leases, tenants, owners, and ven...16.4Intermedia Voice APIThe Intermedia Voice API enables developers to embed voice calling capabilities into CRMs, ERPs, ticketing ...16.2
Minimal 1 Almost no public developer surface
Carnival HUB AppThe Carnival HUB app is the official Carnival Cruise Line companion app for managing pre-cruise check-in, d...8.9

Companies reaching this through an API (39)

These companies publish an API, specification or operation carrying “Communications” 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.

AMCS Group ApyHub Buildium Canvas Medical Carnival Corporation Centene Clio Deutsche Telekom Dolby.io Dream Sports Epic Games Factorial FireHydrant FranConnect Frostbyte Gladly Google Workspace HubSpot JPMorgan Chase Kalshi Leo1 MedAdvisor Microsoft Azure Microsoft Office 365 MTN Group NHS Digital NHS England Oracle Health (Cerner) Paedae Partnerize Qualia RelativityOne Resulticks Select Medical Holdings SPOTIO StackOne Subsplash Unity Wodify

Score breakdown

Frequency
66.0
log-scaled weighted occurrences
Breadth
4.5
spread across providers
Quality lift
38.5
mean composite of providers using it
Cohesion
21.5
strength of nearest seed neighbor

Related tags

SMS 63 co-occurrences Messaging 92 co-occurrences Voice 60 co-occurrences CPaaS 23 co-occurrences Video Conferencing 20 co-occurrences Telephony 21 co-occurrences Message 33 co-occurrences Phone Numbers 18 co-occurrences

Where this tag comes from

Provider tag162
Api tag66
Openapi tag18
Openapi op tag86

Cohort brief

Auto-generated

The 145 providers in the APIs.io catalog tagged Communications, scored on the Kin Score. Every figure below is computed from the catalog — nothing here is written.

Providers
145
all scored
Mean Kin Score
35.8
+11.9 vs catalog 23.9
Mean Agent Readiness
20.5
+8.5 vs catalog 12
Spread
1.5–82.2
median 35.6 · σ 20.1
How the 145 split by band
Exemplar 10Strong 21Developing 28Thin 39Emerging 25Minimal 22
Facet averages, against the whole catalog
FacetThis cohortCatalogDifferenceScored
Contract Quality 35.1 19.8 +15.3 145
Access Clarity 39.9 26.5 +13.4 145
Developer Ergonomics 35.7 23.4 +12.3 145
Operational Transparency 24.4 14 +10.4 145
Discoverability 66.7 61.2 +5.5 145
Contract Governance 9.5 6.4 +3.1 145

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) 18% 10% +8
MCP server (first-party) 21% 13% +8
Agent Skills 0% 0% 0
OAuth scopes 21% 11% +10
Security 95% 97% -2
Arazzo workflows 5% 2% +3
Governance rules 18% 14% +4

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 Amazon Pinpoint 82.2
  2. 2 Leadping 79.6
  3. 3 Nylas 76.6
  4. 4 Twilio 72.9
  5. 5 Zoom Phone 72.4
  6. 6 Mailboxlayer 71.9
  7. 7 SMTP2GO 71.7
  8. 8 Orange Business 70.1
  9. 9 Loops 69.1
  10. 10 SignalWire 68.9
Top by Agent Readiness
  1. 1 Loops 62.9
  2. 2 Nylas 59.3
  3. 3 MailerSend 55.4
  4. 4 The Mobile First Company 52.9
  5. 5 Zoom Phone 52.2
  6. 6 Telnyx 51.4
  7. 7 Entergram 50.9
  8. 8 Leadping 48.9
  9. 9 AgentPhone 48.9
  10. 10 Kudosity 48.7
All 162 members of this roster resolve to a scored provider in the catalog.Generated from the catalog build of 15 September 2026, across 27661 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

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All tags 
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As a scored cohort 
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The distribution (Pro) 
curl "https://apis.io/api/v1/cohorts/tag/communications/stats" \
  -H "X-API-Key: $APIS_IO_KEY"

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