canonical · 0.2 market domain

SMS

Score 33.2 / 100 161 providers +33 via APIs 96 APIs Search apis.io →
Business capabilities this tag reaches
Marketing Management 2
Variants seen in the corpus: Short Message ServiceSMS

Providers using this tag (161)

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

Exemplar 29 Complete, well-documented, and agent-ready
Customer.ioBehavioral DataBroadcastCampaignsCDP4 APIs83.8InfobipTelecommunicationsCroatiaCPaaSMessaging48 APIs82.4BrevoMarketingMarketing AutomationEmail MarketingTransactional Email21 APIs81.7TelnyxCommunicationsCPaaSVoice2 APIs79.6MailchimpCampaignsEmail MarketingMarketing AutomationNewsletters4 APIs79.2Amazon PinpointCampaignsCommunicationsEmailMarketing2 APIs78.9TwilioAuthenticationCommunicationsContact CenterEmail40 APIs77.8Salesforce Marketing CloudAutomationContent ManagementCustomer JourneyDigital Marketing1 API77.3OneSignalNotificationPushEmail2 APIs76.3StannpDirect MailPostcardsLettersPrint1 API76.1Boom AiCompanyArtificial IntelligenceConversational AICustomer Engagement1 API75.6CloseCRMSales EngagementInside SalesCalling2 APIs75.3BrazeCustomer EngagementMarketing AutomationMessagingPush Notifications1 API75.1KlaviyoMarketingEmailCustomer Data1 API73.6Adobe CampaignCampaign ManagementCustomer ExperienceEmail MarketingMarketing Automation2 APIs72.0GetResponseEmail MarketingMarketing AutomationLanding PagesWebinars50 APIs71.6RegalArtificial IntelligenceAI AgentsVoice AIContact Center6 APIs71.6AttentiveCompanyMarTechSMS MarketingEmail Marketing2 APIs71.4NovuNotificationMessagingIn-AppEmail1 API71.1Mapp Marketing CloudCompanyMarketingMarketing AutomationEmail4 APIs70.4SendPulseMarketingMarketing AutomationEmailTransactional Email20 APIs69.5Constant ContactCampaignsContactsEmail MarketingEvent2 APIs69.4IterableCross-Channel MessagingCustomer EngagementEmailMarketing Automation2 APIs69.1MoEngageCustomer EngagementMarketing AutomationCustomer Data PlatformPush Notifications30 APIs69.0SMTP2GOEmailEmail DeliveryTransactional EmailSMTP1 API69.0SinchCommunicationsMessagingVoice10 APIs68.3KnockNotificationMessagingInfrastructureWorkflows13 APIs68.1OrttoMarketing AutomationCDPCustomer Data PlatformAnalytics1 API67.5Zoom PhoneTelecommunicationsUnited StatesUCaaSCloud PBX2 APIs67.4
Strong 36 Solid coverage with minor gaps
VeraDialAI ReceptionistBusiness PhoneTelephonyVoice AI2 APIs66.1Vibes PlatformMobile MarketingMobile MessagingPush Notifications5 APIs66.1SAP EmarsysMarketing AutomationCustomer EngagementEmail MarketingOmnichannel25 APIs66.0BlueshiftCustomer Data PlatformCustomer EngagementMarketing AutomationCross-Channel Messaging2 APIs65.9SignalWireCompanyCommunicationsCPaaSVoice4 APIs65.48x8TelecommunicationsUnited StatesCPaaSUCaaS34 APIs65.3Orange Business5GArtificial IntelligenceB2BCAMARA12 APIs64.9AcousticCompanyMarTechMarketingMarketing Automation2 APIs64.7HustleCompanyEnterpriseMessaging1 API62.9BandwidthCommunicationsCPaaSVoiceMessaging3 APIs62.7PostscriptMarketingMessagingE-Commerce1 API62.5VonageCommunicationsMessagingTelecommunicationsVideo Conferencing1 API62.2The Mobile First CompanyCompanyCommunicationsTelephonyVoice1 API62.0AskNicelyCompanyCustomer ExperienceNPSSurveys2 APIs61.9KPNTelecommunicationsNetherlandsMobile Network OperatorBroadband34 APIs61.9Spruce HealthHealthcareHIPAACommunicationsSecure Messaging16 APIs61.2RingCentralCommunicationsUCaaSVoiceVideo1 API61.0ZavuCompanyMessagingWhatsApp1 API60.1SilverpopEmail MarketingMarketing AutomationCampaign ManagementDigital Marketing1 API60.0DotdigitalMarketing AutomationEmail MarketingMMS86 APIs59.4GladlyCustomer ServiceCustomer ExperienceContact CenterAI Customer Service1 API59.4GridspaceCompanyVoice AIConversational AIVoice Agents1 API59.3SwisscomTelecommunicationsSwitzerlandMobile Network OperatorBroadband2 APIs59.1UnifonicCompanyEnterpriseCPaaSMessaging3 APIs59.0SyllableCompanyArtificial IntelligenceAI AgentsVoice1 API58.8Amazon SNSEmailMessagingNotificationPub-Sub1 API58.5DyspatchCompanyEmailEmail TemplatesMarketing1 API58.3CordialCompanyMarketingMarketing AutomationMessaging2 APIs58.2KixieCompanySales EngagementVoiceTelephony3 APIs57.6KudosityMessagingMMSRCS2 APIs57.6HatchCompanyVertical SoftwareCustomer CommunicationConversational AI1 API57.4MailerSendEmailTransactional EmailSMTPMarketing1 API57.4WunderkindCompanyMarketingPersonalizationIdentity Resolution5 APIs57.1CloudTalkCompanyCommunicationsVoiceVoIP1 API56.7SendHubCompanyMessagingText Messaging1 API56.0Crescendo LabCompanyMessagingMarketing Automation1 API54.7
Developing 43 Usable, with meaningful gaps to close
CommunityMessagingCommunicationsMarketing1 API54.1InsiderCompanyCustomer EngagementPersonalizationCustomer Data Platform18 APIs54.0SimpleTextingMMSMessagingMarketing1 API54.0SuprSendNotificationMulti-ChannelEmail1 API53.8Neutrino APIData ValidationData ToolsTelephonyCommunications2 APIs53.7QuoCompanyCommunicationsMessaging1 API52.5Bright PatternCompanyContact CenterCCaaSCustomer Experience11 APIs52.2MTN GroupTelecommunicationsSouth AfricaAfricaMobile Network Operator115 APIs51.6SplioMarketing AutomationCustomer Data PlatformLoyaltyCRM3 APIs51.6ThoughtlyVoice AIChat AIConversational AIAI Agents1 API51.6CellulantPaymentsMobile MoneyCheckoutPayouts3 APIs51.2SailthruCompanyEmail MarketingMarketing AutomationPersonalization2 APIs51.1Route MobileTelecommunicationsIndiaCPaaSMessaging5 APIs51.0TelstraTelecommunicationsMobileMessaging2 APIs50.5TotogiTelecommunicationsUnited StatesBSSOSS2 APIs50.5KaleyraCPaaSMessagingWhatsApp1 API50.3OptusTelecommunicationsAustraliaMobile Network OperatorMessaging4 APIs50.1SyniverseTelecommunicationsUnited StatesCPaaSMessaging11 APIs49.8OutRivalCompanyEnterprise SaasConversational AIAI Agents2 APIs49.7ResponsysCompanyMarketingEmail MarketingMarketing Automation2 APIs49.2EmotiveCompanyMarketingMessaging18 APIs49.0BluecoreCompanyRetailMarketingCustomer Data Platform3 APIs48.8TPG TelecomTelecommunicationsAustraliaMobile Network OperatorBroadband2 APIs48.8FynoNotificationMessagingCommunicationsPush Notifications1 API48.3MagicBellNotificationPush NotificationsIn-App NotificationsEmail1 API48.3PodiumCustomer CommunicationReviewsMessagingPayments24 APIs48.2Phone ComCompanyVoIPTelephonyBusiness Phone1 API47.0Telia CompanyTelecommunicationsSwedenNordicBaltics1 API46.8KORE WirelessTelecommunicationsUnited StatesIoTeSIM8 APIs46.6ManyChatChat MarketingMessenger MarketingConversational CommerceMarketing Automation3 APIs46.6NextivaCompanyCommunicationsVoiceContact Center5 APIs46.4SendbirdCustomer SupportVoiceVideoOmnichannel1 API45.8BirdCommunicationsEmailWhatsApp23 APIs45.5PhonelyArtificial IntelligenceVoice AIVoice AgentsConversational AI2 APIs45.5Bharti AirtelTelecommunicationsIndiaMobile Network OperatorNetwork APIs8 APIs44.9ParadoxArtificial IntelligenceCandidate ScreeningChatbotsConversational AI1 API43.6AgentPhoneCompanyTelephonyPhone Numbers1 API42.2AvochatoMessagingRCSVoice7 APIs41.7WhippyCommunicationsMessagingEmail1 API41.5TelesignAuthenticationCommunicationsFraud PreventionPhone Intelligence4 APIs40.7PlivoCommunicationsCPaaSVoice1 API40.5ConversicaCompanyArtificial IntelligenceConversational AIAI Agents1 API40.2GOV.UK NotifyNotificationEmailText Messages1 API39.9
Thin 27 Limited public surface area
engageSPARKCompanyMessagingVoice1 API38.4BurnerCompanyPhone NumbersMMS1 API37.5ExotelCloud TelephonyVoiceIndia1 API37.2AppgainCompanyMobile MarketingMarketing AutomationOmnichannel Messaging3 APIs36.7RubiConnectCPaaSCommunications APIsBusiness MessagingRCS1 API36.5SMSAPIMessagingMMSVoice1 API36.4TelkomselTelecommunicationsIndonesiaMobile Network1 API35.7ClickSendCommunicationsMMSVoice1 API35.3CourierNotificationEmailPush1 API35.0Microsoft Azure Communication ServicesEmailIdentity3 APIs34.9NotificationAPINotificationMessagingEmail1 API34.6TextmagicText MessagingMessagingCommunications1 API34.5MessenteCPaaSMessagingViber1 API34.4JustCallVoiceCloud PhoneContact Center1 API34.2PreludeNumber VerificationPhone VerificationOTPAuthentication1 API33.8PlusThisCompanyMarketing AutomationMarketingCRM32.6PushCompanyCRMCustomer Data PlatformMarketing Automation1 API32.1TextlaCompanyText MessagingBusiness Messaging32.1GupshupMessagingWhatsAppConversational AICPaaS1 API32.046elksCPaaSMMSVoice1 API31.9TermiiMessagingOTPWhatsApp1 API31.9EngagespotNotificationIn-App NotificationsPush NotificationsEmail1 API31.5MoviusCompanyCommunicationsMessagingMobile1 API31.4PushbulletNotificationMessagingPush NotificationsDevice Sync1 API30.0RingCaptcha (ThriveCom)CompanyTwo-Factor AuthenticationPhone VerificationOne-Time Passcode1 API29.7Africa's TalkingCommunicationsUSSDVoice1 API28.4BitcallTelecommunicationsVoIPeSIM1 API28.3
Emerging 10 Early or largely undocumented
ResulticksCompanyMarketingMarketing AutomationOmnichannel1 API24.4BICSNumber VerificationTelecommunicationsMobile IdentityFraud Prevention8 APIs23.3tyntecNumber VerificationCPaaSWhatsApp1 API23.1PushwooshNotificationPushEmail1 API22.0TranZakFintechMobile MoneyPaymentsAfrica4 APIs19.3Sempre HealthCompanyHealthHealthcareDigital Health17.8NaverSearchTranslationMapsCloud Platform18 APIs17.7RetainIQCompanyArtificial IntelligenceRetention MarketingEmail Marketing16.1VodafoneTelecommunicationsMobile Network Operator5G4G27 APIs14.6CaremessageCompanyHealthcarePatient EngagementMessaging12.3
Minimal 16 Almost no public developer surface
MiaCompanyArtificial IntelligenceVoice AIConversational AI10.7TextsidekickCompanyFrontline WorkersWorkforce Communication10.4SpotHopperCompanyRestaurantHospitalityMarketing10.2EdSightsCompanyEducationHigher EducationStudent Success10.1Rakuten MobileTelecommunicationsMobile Network OperatorCarrier5G3 APIs10.0Hi MarleyCompanyInsurance TechInsuranceClaims9.8Altira HealthCompanyHealthcareHealth TechClinical9.7PingerCompanyCommunicationsTelecommunicationsMessaging9.4UpSmithCompanyHome ServicesSkilled TradesAI Agents9.4TomoCompanyAi AppsPersonal AssistantConversational AI8.3RemindMessagingCommunicationsEducationK-128.1JarvieCompanyAI AssistantMessagingiMessage7.8The NudgeCompanyConsumerLifestyleMobile App3.5VoxoxCompanyTelecommunicationsCommunicationsCloud Communications2.2TextaurantCompanyRestaurantHospitalityWaitlist0.0WupimaCompanyMobileMarketing0.0

APIs with this tag (93)

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 12 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...91.6SMS/MMS APIAPI for sending SMS and MMS messages, managing mobile numbers, and handling keyword-based subscriptions.77.3Microsoft Azure Communication Services APIAzure Communication Services provides multichannel communication APIs that enable developers to add voice, ...76.2Microsoft Azure Sms APIThe Sms API from Microsoft Azure — 1 operation(s) for sms.76.2Braze SMS APIUse the Braze SMS Endpoints to manage your users phone numbers in your subscription groups.75.1Leadping Sms APISends and manages SMS and MMS communications through Leadping. Use these endpoints to send messages, upload...74.9Bloomreach Engagement APIREST API for the Bloomreach Engagement marketing automation and CDP platform, enabling customer tracking, s...72.3GetResponse Sms APIThe Sms API from GetResponse — 1 operation(s) for sms.71.6Microsoft SMS APISend SMS messages69.2Iterable SMS APISend SMS messages and manage SMS-specific delivery settings.69.1SMTP2GO SMS APISend and receive SMS messages69.0Zoom Phone SMS APIThe SMS API from Zoom Phone — 7 operation(s) for sms.67.4
Strong 21 Solid coverage with minor gaps
Frontegg SMS APIThe SMS API from Frontegg — 7 operation(s) for sms.65.0Orange Business Messaging Pro Cameroon APICameroon-specific A2P messaging platform for enterprise SMS, USSD, and rich messaging deliveries to Orange ...64.9Orange Business SMS Middle East and Africa APIA2P SMS delivery API for Orange Middle East and Africa footprint. Supports transactional, OTP, and marketin...64.9Postscript Messages APISend promotional, transactional or conversational SMS and MMS to an existing subscriber, and read the resul...62.5Sendlane SMS APIThe SMS API from Sendlane — 3 operation(s) for sms.62.3Vonage SMS APISend and receive SMS messages62.2The Mobile First Company SMS APISend SMS messages to phone numbers using your Allo numbers.62.0KPN Email-to-SMS APIConverts inbound email into SMS messages delivered over the KPN network. Documented on the KPN Developer po...61.9KPN SMS Campaigns APISend and schedule bulk SMS campaigns over the KPN network. Documented on the KPN Developer portal; no publi...61.9RingCentral SMS APIThe RingCentral SMS API supports targeted and bulk SMS and MMS with deep insights and regulatory compliance...61.0Dotdigital SMS APIThe SMS API from Dotdigital — 7 operation(s) for sms.59.4Swisscom Phone Number Validation APITwo-factor authentication API that starts an SMS token validation flow against an MSISDN and then verifies ...59.1Swisscom Receive SMS APIInbound SMS API that exposes message inboxes so applications can receive texts from customers and build two...59.1Swisscom Text Messaging (SMS) APIApplication-to-person SMS sending over the Swisscom messaging infrastructure with onward delivery to 260+ o...59.1Kixie Event APIThe primary Kixie automation surface. A single POST endpoint on the apig.kixie.com gateway that dispatches ...57.6Kudosity SMS APIThe primary method of sending SMS. You can elect to pass us the recipient numbers from your database each t...57.6Verizon SMS APISMS messaging to devices57.3Wunderkind Text Message APIRESTful endpoints for delivering text messages from platforms external to the Wunderkind ecosystem (ESP, CD...57.1CloudTalk Sms APISms handling.56.7B3 Sms APIThe Sms API from B3 — 6 operation(s) for sms.55.0Crescendo Lab SMS APITransactional (1-to-1) SMS send + status.54.7
Developing 22 Usable, with meaningful gaps to close
Northmill Sms APIThe Sms API from Northmill — 2 operation(s) for sms.54.2Insider SMS APIThe SMS API from Insider — 9 operation(s) for sms.54.0Splitit Text-to-Pay APIAPI enabling merchants to initiate Splitit installment payment flows via SMS, email, and QR codes as part o...52.5Telstra SMS APISend, retrieve, and check status of SMS messages.50.5Whoosh Programmable Messaging APIWhoosh! is Totogi's Application-to-Person (A2P) messaging API, launched in September 2023 and positioned as...50.5Artera Messaging API (MAPI)Artera's outbound SMS API, marketed to health systems and Artera Marketplace vendors as the SendMessage API...50.3VaultRE Sms APIOperations related to SMS50.3Optus SMS Suite 2FA REST APIHosted two-factor authentication API that creates an SMS one-time-code challenge for a mobile handset with ...50.1Optus SMS Suite HTTPS APILegacy GET-based HTTPS interface for SMS integration, covering message sending, delivery receipts, and inbo...50.1Optus SMS Suite SMPP APIDirect SMSC connectivity over SMPP 3.3 and 3.4 with mandatory TLS, offering high-throughput binary messagin...50.1Optus SMS Suite SOAP APIWSDL-described SOAP interface for SMS integration supporting custom source addressing, message classificati...50.1AT&T SMS APIShort Message Service operations49.71NCE SMS APISMS Management48.9TPG 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...48.8Telia Bulk Messaging SMPP APISMPP v3.4-style binary protocol interface into the Telia Company Bulk Messaging Platform, reached over TLS ...46.8Telia Bulk Messaging SMS Callback APIThe webhook half of Telia's Bulk Messaging REST surface. Customers must implement a Receive SMS (mobile ori...46.8Telia Bulk Messaging SMS REST APIJSON REST API for submitting mobile-terminated SMS through the Telia Company Bulk Messaging Platform, with ...46.8StackOne Unified Marketing APIStackOne Unified Marketing API standardizes campaign management across platforms, streamlining messages (SM...46.6Sendbird Business Messaging APIThe Sendbird Business Messaging API enables omnichannel customer engagement through SMS, WhatsApp, and othe...45.8Bird Phone Numbers APISearch, purchase, and manage phone numbers inventory programmatically. Supports number search by country an...45.5Rentberry SMS APISMS42.2Plivo Message APIThe Plivo Message API sends and receives SMS, MMS, and WhatsApp messages, retrieves delivery status reports...40.5
Thin 25 Limited public surface area
engageSPARK SMS APIThe SMS API from engageSPARK — 4 operation(s) for sms.38.4Burner APIOAuth 2.0 REST API for programmatic access to Burner line management, messaging (SMS/MMS) and configuration...37.5Exotel SMS APISend SMS and retrieve message details.37.2Appgain Notify APIThe messaging send service. A single POST /{projectId}/send endpoint whose channel is selected by the top-l...36.7RubiConnect MCP ServerHosted MCP server exposing 18 tools for messaging, templates, campaigns, agents, analytics, and media. Auth...36.5SMSAPI SMS APIThe SMS API from SMSAPI — 1 operation(s) for sms.36.4Telkomsel SMS APIApplication-to-person SMS - regular and premium sends plus delivery-status polling.35.7ClickSend SMS APISend and view SMS messages.35.3microsoft-azure-communication-services SMS APIThe SMS API from microsoft-azure-communication-services — 1 operation(s) for sms.34.9Xoxoday Reward Links APIAPI for creating and sending personalized reward links via email, SMS, or chat. Supports campaign managemen...34.3JustCall REST APIREST API for placing calls, sending SMS and MMS messages, managing contacts, phone numbers, users, and call...34.2JustCall SMS APISend and manage SMS/MMS messages.34.2Adapter Sms APIThe Sms API from Adapter — 1 operation(s) for sms.32.8Onomondo SMS APISend SMS to devices and retrieve SMS usage.32.6Gupshup SMS APIBroadcast SMS to a single number or many numbers programmatically via POST /msg on the /sm surface. Note - ...32.046elks SMS APISend and receive text messages.31.9Engagespot Notifications APIThe Engagespot REST API enables sending multi-channel notifications to users, listing and deleting notifica...31.5Aircall Messaging APISend and receive SMS/MMS and group messages.31.3Updox Secure Conversation APIManage secure two-way patient conversations (secure text/SMS threads), with Secure Conversation Management ...30.9Pushbullet HTTP APIREST API for sending and managing pushes, devices, chats, channels, subscriptions, and file uploads across ...30.0Hologram SMS APIThe SMS API from Hologram — 1 operation(s) for sms.29.3Messaging APIsA portfolio of messaging APIs including SMS Middle East and Africa, Messaging Pro Cameroon, Voice as a Serv...29.2Dialpad SMS APISend and receive SMS and MMS.28.8Africa's Talking SMS APISend single and bulk SMS and fetch inbox messages.28.4Airship Email & SMS APISend email and SMS messages alongside push.26.5
Emerging 10 Early or largely undocumented
Deutsche Telekom SMS APIProgrammatically send and receive text messages in practically every country through Deutsche Telekom's CPa...26.0Azure Communication ServicesAzure Communication Services (successor to Skype developer APIs) provides cloud-based communication APIs fo...24.3tyntec SMS APISend and receive text messages over tyntec's global A2P SMS network. Send via POST /messaging/v1/sms, retri...23.1Pushwoosh Messaging APISend push notifications, email, SMS and in-app messages to user audiences.22.0TranZak SMS APIREST API for sending marketing bulk SMS messages and OTP/verification codes. Supports up to 500 recipients ...19.3Singtel CPaaS SMS APIApplication-to-person SMS sending and receiving for business applications, sold as part of the Singtel CPaa...18.6Naver Cloud SENS Messaging APISENS (Simple & Easy Notification Service) sends SMS, LMS, MMS, Alimtalk (KakaoTalk channel), Friend Talk, a...17.7HireVue Text Recruiting / Match and ApplySMS and chat-based candidate engagement, text recruiting, and Match and Apply flows that move candidates fr...16.8Brand RegistrationRegisters a sender brand for A2P SMS and Verified Caller flows so that consumer handsets display branded se...14.6SMS Messaging HubA2P SMS messaging gateway for sending one-time-passcodes, alerts, and marketing messages to Vodafone subscr...14.6
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...10.0SAGARIS MCP ServerRead-only MCP server over Streamable HTTP (stateless JSON mode), workspace-key bearer auth, exposing 5 GET-...6.7SAGARIS REST APIREST API for the SAGARIS Agentic Revenue OS, including the Company Brain context endpoints. Bearer/workspac...6.7

Companies reaching this through an API (33)

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 CONNSKILL Deutsche Telekom Dialpad Frontegg HireVue Hologram HubSpot Leadping Microsoft Microsoft Azure Microsoft Skype Northmill Onomondo Orange Rentberry SAGARIS Sendlane Singtel Splitit StackOne Updox VaultRE Verizon Wispr Flow Xoxoday

Score breakdown

Frequency
67.6
log-scaled weighted occurrences
Breadth
4.2
spread across providers
Quality lift
58.1
mean composite of providers using it
Cohesion
23.9
strength of nearest seed neighbor

Where this tag sits

161 providers carry this tag directly, and 169 counting the 3 narrower tags below — 8 more to reach.

Communications broader MMS 10 providers RCS 11 providers SMS Marketing 11 providers

Related tags

Messaging 106 co-occurrences CPaaS 39 co-occurrences Communications 61 co-occurrences Voice 62 co-occurrences Email 62 co-occurrences Marketing Automation 37 co-occurrences WhatsApp 28 co-occurrences Push Notifications 28 co-occurrences

Where this tag comes from

Api tag95
Provider tag161
Openapi tag37
Openapi op tag98

Cohort brief

Auto-generated

The 159 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
159
all scored
Mean Kin Score
47.8
+24.9 vs catalog 22.9
Mean Agent Readiness
30.8
+18.9 vs catalog 11.9
Spread
0–83.8
median 50.5 · σ 20
How the 159 split by band
Exemplar 29Strong 36Developing 43Thin 27Emerging 10Minimal 14
Facet averages, against the whole catalog
FacetThis cohortCatalogDifferenceScored
Contract Quality 46.8 17.6 +29.2 159
Operational Transparency 42 13.7 +28.3 159
Access Clarity 53.4 26.5 +26.9 159
Developer Ergonomics 49.4 23.2 +26.2 159
Discoverability 67.8 58.1 +9.7 159
Contract Governance 12.8 6.3 +6.5 159

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) 31% 14% +17
MCP server (first-party) 29% 12% +17
Agent Skills 0% 0% 0
OAuth scopes 30% 11% +19
Security 99% 98% +1
Arazzo workflows 7% 2% +5
Governance rules 27% 14% +13

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 83.8
  2. 2 Infobip 82.4
  3. 3 Brevo 81.7
  4. 4 Telnyx 79.6
  5. 5 Mailchimp 79.2
  6. 6 Amazon Pinpoint 78.9
  7. 7 Twilio 77.8
  8. 8 Salesforce Marketing Cloud 77.3
  9. 9 OneSignal 76.3
  10. 10 Stannp 76.1
Top by Agent Readiness
  1. 1 Telnyx 83.6
  2. 2 OneSignal 75.4
  3. 3 MoEngage 67.8
  4. 4 Boom Ai 63.6
  5. 5 Infobip 63
  6. 6 Cordial 62.9
  7. 7 Novu 60.7
  8. 8 Customer.io 59.9
  9. 9 Knock 58.6
  10. 10 Brevo 58.4
All 161 members of this roster resolve to a scored provider in the catalog.Generated from the catalog build of 5 October 2026, across 29093 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/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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