canonical · 0.1 market domain

SMS

Score 32.7 / 100 160 providers +35 via APIs 98 APIs Search apis.io →
Variants seen in the corpus: SMSSmssms

Providers using this tag (160)

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

Exemplar 32 Complete, well-documented, and agent-ready
Customer.ioBehavioral DataBroadcastsCampaignsCDP4 APIs89.3BrevoMarketingMarketing AutomationEmail MarketingTransactional Email21 APIs87.3Salesforce Marketing CloudAutomationContent ManagementCustomer JourneyDigital Marketing1 API82.6Amazon PinpointCampaignsCommunicationsEmailMarketing2 APIs82.2BrazeCustomer EngagementMarketing AutomationMessagingPush Notifications1 API80.4StannpDirect MailPostcardsLettersPrint1 API80.1OneSignalNotificationPushEmail2 APIs80.0Boom AiCompanyArtificial IntelligenceConversational AICustomer Engagement1 API79.9KlaviyoMarketingEmailCustomer Data1 API79.1CloseCRMSales EngagementInside SalesCalling2 APIs78.8MailchimpCampaignsEmail MarketingMarketing AutomationNewsletters4 APIs77.8RegalArtificial IntelligenceAI AgentsVoice AIContact Center6 APIs77.1InfobipTelecommunicationsCroatiaCPaaSMessaging47 APIs75.4Adobe CampaignCampaign ManagementCustomer ExperienceEmail MarketingMarketing Automation2 APIs74.9Mapp Marketing CloudCompanyMarketingMarketing AutomationEmail4 APIs74.8SendPulseMarketingMarketing AutomationEmailTransactional Email20 APIs74.4GetResponseEmail MarketingMarketing AutomationLanding PagesWebinars50 APIs74.3IterableCross-Channel MessagingCustomer EngagementEmailMarketing Automation2 APIs73.0TwilioAuthenticationCommunicationsContact CenterEmail40 APIs72.9Zoom PhoneTelecommunicationsUnited StatesUCaaSCloud PBX2 APIs72.4SMTP2GOEmailEmail DeliveryTransactional EmailSMTP1 API71.7KnockNotificationMessagingInfrastructureWorkflows13 APIs71.6MoEngageCustomer EngagementMarketing AutomationCustomer Data PlatformPush Notifications30 APIs71.5NovuNotificationMessagingIn-AppEmail1 API71.1SAP EmarsysMarketing AutomationCustomer EngagementEmail MarketingOmnichannel25 APIs71.0OrttoMarketing AutomationCDPCustomer Data PlatformAnalytics1 API70.58x8TelecommunicationsUnited StatesCPaaSUCaaS34 APIs70.3Orange Business5GArtificial IntelligenceB2BCAMARA12 APIs70.1BlueshiftCustomer Data PlatformCustomer EngagementMarketing AutomationCross-Channel Messaging2 APIs69.3SignalWireCompanyCommunicationsCPaaSVoice4 APIs68.9Constant ContactCampaignsContactsEmail MarketingEvent2 APIs68.7Vibes PlatformMobile MarketingMobile MessagingPush Notifications5 APIs67.7
Strong 39 Solid coverage with minor gaps
HustleCompanyEnterpriseMessaging1 API66.2AskNicelyCompanyCustomer ExperienceNPSSurveys2 APIs66.1AcousticCompanyMarTechMarketingMarketing Automation2 APIs65.5PostscriptMarketingMessagingE-Commerce1 API65.4Spruce HealthHealthcareHIPAACommunicationsSecure Messaging16 APIs64.9SwisscomTelecommunicationsSwitzerlandMobile Network OperatorBroadband2 APIs64.9SilverpopEmail MarketingMarketing AutomationCampaign ManagementDigital Marketing1 API63.3DotdigitalMarketing AutomationEmail MarketingMMS86 APIs62.8GladlyCustomer ServiceCXContact CenterAI Customer Service1 API62.7Amazon SNSEmailMessagingNotificationPub-Sub1 API62.4KPNTelecommunicationsNetherlandsMobile Network OperatorBroadband34 APIs62.4GridspaceCompanyVoice AIConversational AIVoice Agents1 API62.0SyllableCompanyArtificial IntelligenceAI AgentsVoice1 API61.9CordialCompanyMarketingMarketing AutomationMessaging2 APIs61.8DyspatchCompanyEmailEmail TemplatesMarketing1 API61.4KixieCompanySales EngagementVoiceTelephony3 APIs60.7MailerSendEmailTransactional EmailSMTPMarketing1 API60.6KudosityMessagingMMSRCS2 APIs60.0WunderkindCompanyMarketingPersonalizationIdentity Resolution5 APIs59.7CloudTalkCompanyCommunicationsVoiceVoIP1 API58.9CommunityMessagingCommunicationsConversational1 API58.2SendHubCompanyMessagingText Messaging1 API58.0Crescendo LabCompanyMessagingMarketing Automation1 API57.6Neutrino APIData ValidationData ToolsTelephonyCommunications2 APIs57.6The Mobile First CompanyCompanyCommunicationsTelephonyVoice1 API57.3SimpleTextingMMSMessagingMarketing1 API57.2SinchCommunicationsMessagingVoice10 APIs57.2SuprSendNotificationMulti-ChannelEmail1 API57.1InsiderCompanyCustomer EngagementPersonalizationCustomer Data Platform18 APIs57.0UnifonicCompanyEnterpriseCPaaSMessaging3 APIs56.6RingCentralCommunicationsUCaaSVoiceVideo1 API56.3ZavuCompanyMessagingWhatsApp1 API56.1MTN GroupTelecommunicationsSouth AfricaAfricaMobile Network Operator115 APIs55.6TelstraTelecommunicationsTelcoMobileMessaging2 APIs55.1OpenPhoneCompanyCommunicationsVoice2 APIs54.8Bright PatternCompanyContact CenterCCaaSCustomer Experience11 APIs54.7Route MobileTelecommunicationsIndiaCPaaSMessaging5 APIs54.7ThoughtlyVoice AIChat AIConversational AIAI Agents1 API54.7SplioMarketing AutomationCustomer Data PlatformLoyaltyCRM3 APIs54.3
Developing 34 Usable, with meaningful gaps to close
CellulantPaymentsMobile MoneyCheckoutPayouts3 APIs54.2SailthruCompanyEmail MarketingMarketing AutomationPersonalization2 APIs54.2TotogiTelecommunicationsUnited StatesBSSOSS2 APIs54.0SyniverseTelecommunicationsUnited StatesCPaaSMessaging11 APIs53.8BandwidthCommunicationsCPaaSVoiceMessaging3 APIs53.7KaleyraCPaaSMessagingWhatsApp1 API53.7BluecoreCompanyRetailMarketingCustomer Data Platform3 APIs53.3HatchCompanyVertical SoftwareCustomer CommunicationConversational AI1 API53.3ResponsysCompanyMarketingEmail MarketingMarketing Automation2 APIs53.2OptusTelecommunicationsAustraliaMobile Network OperatorMessaging4 APIs52.6EmotiveCompanyMarketingMessaging18 APIs52.1Telia CompanyTelecommunicationsSwedenNordicsBaltics1 API51.9PodiumCustomer CommunicationReviewsMessagingPayments24 APIs51.8OutRivalCompanyEnterprise SaasConversational AIAI Agents2 APIs51.7TPG TelecomTelecommunicationsAustraliaMobile Network OperatorBroadband2 APIs51.3FynoNotificationMessagingCommunicationsPush Notifications1 API51.2VonageCommunicationsMessagingTelecommunicationsVideo Conferencing1 API51.0QuoCompanyCommunicationsMessaging1 API50.7Phone ComCompanyVoIPTelephonyBusiness Phone1 API50.5MagicBellNotificationPush NotificationsIn-App NotificationsEmail1 API50.4Bharti AirtelTelecommunicationsIndiaMobile Network OperatorNetwork APIs8 APIs50.3ManyChatChat MarketingMessenger MarketingConversational CommerceMarketing Automation3 APIs50.2KORE WirelessTelecommunicationsUnited StatesIoTeSIM8 APIs50.1NextivaCompanyCommunicationsVoiceContact Center5 APIs49.8PhonelyArtificial IntelligenceVoice AIVoice AgentsConversational AI2 APIs48.4ParadoxArtificial IntelligenceCandidate ScreeningChatbotsConversational AI1 API47.7ConversicaCompanyArtificial IntelligenceConversational AIAI Agents1 API44.2AgentPhoneCompanyTelephonyPhone Numbers1 API43.8GOV.UK NotifyNotificationEmailText Messages1 API43.7TelesignAuthenticationCommunicationsFraud PreventionPhone Intelligence4 APIs43.1BirdCommunicationsEmailWhatsApp6 APIs42.5PlivoCommunicationsCPaaSVoice1 API41.9WhippyCommunicationsMessagingEmail1 API40.5RubiConnectCPaaSCommunications APIsBusiness MessagingRCS2 APIs39.8
Thin 28 Limited public surface area
BurnerCompanyPhone NumbersMMS1 API39.2SMSAPIMessagingMMSVoice1 API39.0AppgainCompanyMobile MarketingMarketing AutomationOmnichannel Messaging3 APIs38.2TelkomselTelecommunicationsIndonesiaMobile Network1 API38.1ClickSendCommunicationsMMSVoice1 API37.9NotificationAPINotificationMessagingEmail1 API36.9MessenteCPaaSMessagingViber1 API36.8TextmagicText MessagingMessagingCommunications1 API36.4JustCallVoiceCloud PhoneContact Center1 API35.8PreludeNumber VerificationPhone VerificationOTPAuthentication1 API35.6TelnyxCommunicationsCPaaSVoice1 API35.6CourierNotificationEmailPush1 API35.4TelefonieCall RecordingCPaaSMessagingNumber Provisioning4 APIs34.7TelefonCall RecordingCommunicationsCPaaSGlobal Coverage4 APIs34.5TelefoonBelgiumCPaaSEU Data ResidencyEurope3 APIs34.3engageSPARKCompanyMessagingVoice1 API34.1TermiiMessagingOTPWhatsApp1 API34.046elksCPaaSMMSVoice1 API33.8Textla Inc.CompanyText MessagingBusiness Messaging33.5PlusThisCompanyMarketing AutomationMarketingCRM33.2PushCompanyCRMCustomer Data PlatformMarketing Automation1 API33.0EngagespotNotificationIn-App NotificationsPush NotificationsEmail1 API32.9MoviusCompanyCommunicationsMessagingMobile1 API32.7PushbulletNotificationMessagingPush NotificationsDevice Sync1 API32.4RingCaptcha (ThriveCom)CompanyTwo-Factor AuthenticationPhone VerificationOne-Time Passcode1 API31.1Africa's TalkingCommunicationsUSSDVoice1 API30.4ClickSend SMSMMSMessagingVoice1 API27.9ExotelCloud TelephonyVoiceIndia1 API27.1
Emerging 11 Early or largely undocumented
ResulticksCompanyMarketingMarketing AutomationOmnichannel1 API25.3tyntecNumber VerificationCPaaSWhatsApp1 API23.8BICSNumber VerificationTelecomMobile IdentityAnti-Fraud8 APIs23.7PushwooshNotificationPushEmail1 API22.9GupshupMessagingWhatsAppConversational AICPaaS1 API20.1TranZakFintechMobile MoneyPaymentsAfrica4 APIs19.4Sempre HealthCompanyHealthHealthcareDigital Health19.1NaverSearchTranslationMapsCloud Platform18 APIs17.7RetainIQCompanyArtificial IntelligenceRetention MarketingEmail Marketing16.2VodafoneTelecommunicationsTelcoMobile Network Operator5G27 APIs13.8CaremessageCompanyHealthcarePatient EngagementMessaging12.5
Minimal 14 Almost no public developer surface
EdSightsCompanyEducationHigher EducationStudent Success10.8MiaCompanyArtificial IntelligenceVoice AIConversational AI10.8TextsidekickCompanyFrontline WorkersWorkforce Communication10.4SpotHopperCompanyRestaurantHospitalityMarketing10.2Altira HealthCompanyHealthcareHealth TechnologyClinical10.0Rakuten MobileTelecommunicationsMobile Network OperatorCarrier5G3 APIs9.8Hi MarleyCompanyInsurance TechInsuranceClaims9.7PingerCompanyCommunicationsTelecommunicationsMessaging9.4UpSmithCompanyHome ServicesSkilled TradesAI Agents9.4RemindMessagingCommunicationsEducationK-129.0TomoCompanyAi AppsPersonal AssistantConversational AI7.8JarvieCompanyAI AssistantMessagingiMessage7.7The NudgeCompanyConsumerLifestyleMobile App2.8VoxoxCompanyTelecommunicationsCommunicationsCloud Communications1.5
Unrated 2 Not yet scored
TextaurantCompanyRestaurantHospitalityWaitlistWupimaCompanyMobileMarketing

APIs with this tag (98)

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
HubSpot Engagement Communications APIThe communications API allows you to log WhatsApp, LinkedIn, or SMS messages to CRM record timelines. You c...87.1SMS/MMS APIAPI for sending SMS and MMS messages, managing mobile numbers, and handling keyword-based subscriptions.82.6Braze SMS APIUse the Braze SMS Endpoints to manage your users phone numbers in your subscription groups.80.4Leadping Sms APISends and manages SMS and MMS communications through Leadping. Use these endpoints to send messages, upload...79.6GetResponse Sms APIThe Sms API from GetResponse — 1 operation(s) for sms.74.3Microsoft Azure Communication Services APIAzure Communication Services provides multichannel communication APIs that enable developers to add voice, ...73.3Microsoft Azure Sms APIThe Sms API from Microsoft Azure — 1 operation(s) for sms.73.3Iterable SMS APISend SMS messages and manage SMS-specific delivery settings.73.0Zoom Phone SMS APIThe SMS API from Zoom Phone — 7 operation(s) for sms.72.4SMTP2GO SMS APISend and receive SMS messages71.7Orange Business Messaging Pro Cameroon APICameroon-specific A2P messaging platform for enterprise SMS, USSD, and rich messaging deliveries to Orange ...70.1Orange Business SMS Middle East and Africa APIA2P SMS delivery API for Orange Middle East and Africa footprint. Supports transactional, OTP, and marketin...70.1Frontegg SMS APIThe SMS API from Frontegg — 7 operation(s) for sms.67.5Bloomreach Engagement APIREST API for the Bloomreach Engagement marketing automation and CDP platform, enabling customer tracking, s...67.2
Strong 23 Solid coverage with minor gaps
Postscript Messages APISend promotional, transactional or conversational SMS and MMS to an existing subscriber, and read the resul...65.4Swisscom Phone Number Validation APITwo-factor authentication API that starts an SMS token validation flow against an MSISDN and then verifies ...64.9Swisscom Receive SMS APIInbound SMS API that exposes message inboxes so applications can receive texts from customers and build two...64.9Swisscom Text Messaging (SMS) APIApplication-to-person SMS sending over the Swisscom messaging infrastructure with onward delivery to 260+ o...64.9Verizon SMS APISMS messaging to devices63.2Sendlane SMS APIThe SMS API from Sendlane — 3 operation(s) for sms.62.9Dotdigital SMS APIThe SMS API from Dotdigital — 7 operation(s) for sms.62.8Amazon SNS SMS APIOperations for managing SMS messaging attributes and phone number opt-out lists.62.4KPN Email-to-SMS APIConverts inbound email into SMS messages delivered over the KPN network. Documented on the KPN Developer po...62.4KPN SMS Campaigns APISend and schedule bulk SMS campaigns over the KPN network. Documented on the KPN Developer portal; no publi...62.4Kixie Event APIThe primary Kixie automation surface. A single POST endpoint on the apig.kixie.com gateway that dispatches ...60.7Microsoft SMS APISend SMS messages60.4Kudosity SMS APIThe primary method of sending SMS. You can elect to pass us the recipient numbers from your database each t...60.0Wunderkind Text Message APIRESTful endpoints for delivering text messages from platforms external to the Wunderkind ecosystem (ESP, CD...59.7CloudTalk Sms APISms handling.58.9Crescendo Lab SMS APITransactional (1-to-1) SMS send + status.57.6The Mobile First Company SMS APISend SMS messages to phone numbers using your Allo numbers.57.3Insider SMS APIThe SMS API from Insider — 9 operation(s) for sms.57.0AT&T SMS APIShort Message Service operations56.4RingCentral SMS APIThe SMS API from RingCentral — 2 operation(s) for sms.56.3Northmill Sms APIThe Sms API from Northmill — 2 operation(s) for sms.55.8Splitit Text-to-Pay APIAPI enabling merchants to initiate Splitit installment payment flows via SMS, email, and QR codes as part o...55.3Telstra SMS APISend, retrieve, and check status of SMS messages.55.1
Developing 23 Usable, with meaningful gaps to close
Whoosh Programmable Messaging APIWhoosh! is Totogi's Application-to-Person (A2P) messaging API, launched in September 2023 and positioned as...54.0Artera Messaging API (MAPI)Artera's outbound SMS API, marketed to health systems and Artera Marketplace vendors as the SendMessage API...52.8Optus SMS Suite 2FA REST APIHosted two-factor authentication API that creates an SMS one-time-code challenge for a mobile handset with ...52.6Optus SMS Suite HTTPS APILegacy GET-based HTTPS interface for SMS integration, covering message sending, delivery receipts, and inbo...52.6Optus SMS Suite SMPP APIDirect SMSC connectivity over SMPP 3.3 and 3.4 with mandatory TLS, offering high-throughput binary messagin...52.6Optus SMS Suite SOAP APIWSDL-described SOAP interface for SMS integration supporting custom source addressing, message classificati...52.61NCE SMS APISMS Management52.2Telia Bulk Messaging SMPP APISMPP v3.4-style binary protocol interface into the Telia Company Bulk Messaging Platform, reached over TLS ...51.9Telia Bulk Messaging SMS Callback APIThe webhook half of Telia's Bulk Messaging REST surface. Customers must implement a Receive SMS (mobile ori...51.9Telia Bulk Messaging SMS REST APIJSON REST API for submitting mobile-terminated SMS through the Telia Company Bulk Messaging Platform, with ...51.9TPG Telecom Messaging Hub REST APIThe SMS/MMS REST API of the Vodafone Business Messaging Hub, listed on the product page as "Access to our R...51.3Vonage SMS APISend and receive SMS messages51.0B3 Sms APIThe Sms API from B3 — 6 operation(s) for sms.50.3VaultRE Sms APIOperations related to SMS49.9Wispr AI SMS APIThe SMS API from Wispr AI — 2 operation(s) for sms.49.4StackOne Unified Marketing APIStackOne Unified Marketing API standardizes campaign management across platforms, streamlining messages (SM...46.9Sendbird Business Messaging APIThe Sendbird Business Messaging API enables omnichannel customer engagement through SMS, WhatsApp, and othe...46.2Rentberry SMS APISMS45.2Centene CCM SMS User Response WebhookAn INBOUND receiver endpoint Centene exposes for its SMS vendor to post member replies onto the care-manage...44.6Bird Phone Numbers APISearch, purchase, and manage phone numbers inventory programmatically. Supports number search by country an...42.5Plivo Message APISend and retrieve SMS, MMS, and WhatsApp messages.41.9RubiConnect MCP ServerHosted MCP server exposing 18 tools for messaging, templates, campaigns, agents, analytics, and media. Auth...39.8RubiConnect Messaging PlatformREST API for sending messages, managing campaigns, RCS capability checks, and webhook callbacks. Auth via A...39.8
Thin 24 Limited public surface area
Burner APIOAuth 2.0 REST API for programmatic access to Burner line management, messaging (SMS/MMS) and configuration...39.2SMSAPI SMS APIThe SMS API from SMSAPI — 1 operation(s) for sms.39.0Appgain Notify APIThe messaging send service. A single POST /{projectId}/send endpoint whose channel is selected by the top-l...38.2Telkomsel SMS APIApplication-to-person SMS - regular and premium sends plus delivery-status polling.38.1ClickSend SMS APISend and view SMS messages.37.9Xoxoday Reward Links APIAPI for creating and sending personalized reward links via email, SMS, or chat. Supports campaign managemen...37.8microsoft-azure-communication-services SMS APIThe SMS API from microsoft-azure-communication-services — 1 operation(s) for sms.37.0JustCall REST APIREST API for placing calls, sending SMS and MMS messages, managing contacts, phone numbers, users, and call...35.8JustCall SMS APISend and manage SMS/MMS messages.35.8Onomondo SMS APISend SMS to devices and retrieve SMS usage.34.7engageSPARK SMS APIThe SMS API from engageSPARK — 4 operation(s) for sms.34.146elks SMS APISend and receive text messages.33.8Adapter Sms APIThe Sms API from Adapter — 1 operation(s) for sms.33.0Engagespot Notifications APIThe Engagespot REST API enables sending multi-channel notifications to users, listing and deleting notifica...32.9Pushbullet HTTP APIREST API for sending and managing pushes, devices, chats, channels, subscriptions, and file uploads across ...32.4Aircall Messaging APISend and receive SMS/MMS and group messages.31.2Hologram SMS APIThe SMS API from Hologram — 1 operation(s) for sms.30.9Messaging APIsA portfolio of messaging APIs including SMS Middle East and Africa, Messaging Pro Cameroon, Voice as a Serv...30.8Dialpad SMS APISend and receive SMS and MMS.30.6Africa's Talking SMS APISend single and bulk SMS and fetch inbox messages.30.4Deutsche Telekom SMS APIProgrammatically send and receive text messages in practically every country through Deutsche Telekom's CPa...28.6ClickSend SMS Sms APIThe Sms API from ClickSend SMS — 6 operation(s) for sms.27.9Exotel SMS APISend SMS and retrieve message details.27.1Airship Email & SMS APISend email and SMS messages alongside push.26.2
Emerging 11 Early or largely undocumented
Azure Communication ServicesAzure Communication Services (successor to Skype developer APIs) provides cloud-based communication APIs fo...24.8tyntec SMS APISend and receive text messages over tyntec's global A2P SMS network. Send via POST /messaging/v1/sms, retri...23.8Pushwoosh Messaging APISend push notifications, email, SMS and in-app messages to user audiences.22.9Updox Secure Conversation APIManage secure two-way patient conversations (secure text/SMS threads), with Secure Conversation Management ...21.0Gupshup SMS APIBroadcast SMS to a single number or many numbers programmatically via POST /msg on the /sm surface. Note - ...20.1Singtel CPaaS SMS APIApplication-to-person SMS sending and receiving for business applications, sold as part of the Singtel CPaa...19.8TranZak SMS APIREST API for sending marketing bulk SMS messages and OTP/verification codes. Supports up to 500 recipients ...19.4HireVue Text Recruiting / Match and ApplySMS and chat-based candidate engagement, text recruiting, and Match and Apply flows that move candidates fr...18.9Naver Cloud SENS Messaging APISENS (Simple & Easy Notification Service) sends SMS, LMS, MMS, Alimtalk (KakaoTalk channel), Friend Talk, a...17.7Brand RegistrationRegisters a sender brand for A2P SMS and Verified Caller flows so that consumer handsets display branded se...13.8SMS Messaging HubA2P SMS messaging gateway for sending one-time-passcodes, alerts, and marketing messages to Vodafone subscr...13.8
Minimal 3 Almost no public developer surface
Rakuten CPaaS SMS / Messaging APICarrier-grade SMS API for sending and receiving A2P and P2A SMS at scale on the Rakuten Mobile network, wit...9.8SAGARIS MCP ServerRead-only MCP server over Streamable HTTP (stateless JSON mode), workspace-key bearer auth, exposing 5 GET-...9.1SAGARIS REST APIREST API for the SAGARIS Agentic Revenue OS, including the Company Brain context endpoints. Bearer/workspac...9.1

Companies reaching this through an API (35)

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

1NCE Adapter Aircall Airship Artera AT&T B3 Bloomreach Centene Deutsche Telekom Dialpad Frontegg HireVue Hologram HubSpot Leadping Microsoft Microsoft Azure Microsoft Azure Communication Services Microsoft Skype Northmill Onomondo Orange Rentberry SAGARIS Sendbird Sendlane Singtel Splitit StackOne Updox VaultRE Verizon Wispr AI Xoxoday

Score breakdown

Frequency
67.9
log-scaled weighted occurrences
Breadth
4.4
spread across providers
Quality lift
55.4
mean composite of providers using it
Cohesion
23.4
strength of nearest seed neighbor

Related tags

Messaging 110 co-occurrences CPaaS 41 co-occurrences Communications 63 co-occurrences Voice 66 co-occurrences Email 61 co-occurrences Push Notifications 28 co-occurrences WhatsApp 28 co-occurrences Message 46 co-occurrences

Where this tag comes from

Api tag99
Provider tag161
Openapi tag38
Openapi op tag108

Cohort brief

Auto-generated

The 157 providers in the APIs.io catalog tagged SMS, scored on the Kin Score. Every figure below is computed from the catalog — nothing here is written.

Providers
157
all scored
Mean Kin Score
49.1
+25.2 vs catalog 23.9
Mean Agent Readiness
30.3
+18.3 vs catalog 12
Spread
1.5–89.3
median 53.3 · σ 20.5
How the 157 split by band
Exemplar 32Strong 39Developing 34Thin 28Emerging 11Minimal 13
Facet averages, against the whole catalog
FacetThis cohortCatalogDifferenceScored
Contract Quality 50.6 19.8 +30.8 157
Operational Transparency 40.9 13.9 +27 157
Developer Ergonomics 48.6 23.4 +25.2 157
Access Clarity 50.6 26.5 +24.1 157
Discoverability 69.5 61.2 +8.3 157
Contract Governance 11.9 6.4 +5.5 157

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) 26% 10% +16
MCP server (first-party) 29% 13% +16
Agent Skills 0% 0% 0
OAuth scopes 29% 11% +18
Security 99% 96% +3
Arazzo workflows 6% 2% +4
Governance rules 25% 14% +11

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 89.3
  2. 2 Brevo 87.3
  3. 3 Salesforce Marketing Cloud 82.6
  4. 4 Amazon Pinpoint 82.2
  5. 5 Braze 80.4
  6. 6 Stannp 80.1
  7. 7 OneSignal 80
  8. 8 Boom Ai 79.9
  9. 9 Klaviyo 79.1
  10. 10 Close 78.8
Top by Agent Readiness
  1. 1 OneSignal 75.4
  2. 2 MoEngage 67.8
  3. 3 Boom Ai 65.8
  4. 4 Cordial 62.9
  5. 5 Customer.io 62.1
  6. 6 Knock 58.6
  7. 7 Salesforce Marketing Cloud 57.9
  8. 8 Close 57.4
  9. 9 Mapp Marketing Cloud 56.3
  10. 10 Braze 55.9
All 160 members of this roster resolve to a scored provider in the catalog.Generated from the catalog build of 16 September 2026, across 27514 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

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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.
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Call it yourself

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

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