established · 4.4

Customer Engagement

Score 27.3 / 100 96 providers 18 APIs Search apis.io →

Variants seen in the corpus: Customer Engagementcustomer-engagement

Providers using this tag (96)

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

Exemplar 14 Complete, well-documented, and agent-ready

Strong 15 Solid coverage with minor gaps

Developing 21 Usable, with meaningful gaps to close

LeanplumMobile MarketingPush NotificationsMessaging8 APIs53.2 CSG SystemsBillingPaymentsRevenue Management7 APIs52.4 ResponsysCompanyMarketingEmail MarketingMarketing Automation3 APIs52.4 ChatsimpleCompanyAI AgentsConversational AIChatbots2 APIs52.3 OutRivalCompanyEnterprise SaasConversational AIAI Agents25 APIs51.9 ManyChatChat MarketingMessenger MarketingConversational CommerceMarketing Automation5 APIs51.6 CrowdTwistCompanyLoyaltyMarketing2 APIs50.7 HangCompanyConsumerLoyaltyRewards18 APIs50.2 LocalyticsCompanyMarTechMobile AnalyticsPush Notifications10 APIs49.8 BonjoroVideo MessagingCustomer SuccessSales Engagement1 API49.4 SAPArtificial IntelligenceBTPBusiness ApplicationsCloud31 APIs49.0 HilosCompanyWhatsAppMessagingAutomation6 APIs46.8 CrossEngageCompanyCustomer Data PlatformMarketing6 APIs46.7 ConversicaCompanyArtificial IntelligenceConversational AIAI Agents1 API46.6 BirdCommunicationsSMSEmailWhatsApp10 APIs44.2 Lithium TechnologiesCompanyEnterprise SoftwareOnline CommunitySocial Media Management5 APIs44.2 ApptentiveCompanyEnterpriseMobileCustomer Feedback4 APIs42.8 InfluitiveCompanyCustomer AdvocacyCustomer Community1 API42.7 Sensors DataCompanyEnterpriseAnalyticsCustomer Data Platform4 APIs42.4 CatnipCompanyChatbotsMessagingConversational AI3 APIs41.8 AppgainCompanyMobile MarketingMarketing AutomationOmnichannel Messaging3 APIs39.6

Thin 13 Limited public surface area

SleekFlowMessagingOmnichannelWhatsApp7 APIs37.5 TrengoOmnichannelShared InboxMessaging8 APIs37.2 ATOMCompanyMessagingWhatsAppArtificial Intelligence2 APIs36.8 Open LoyaltyLoyaltyGamificationRewardsPoints7 APIs36.6 Whisperr, Inc.CompanyCustomer RetentionChurnMarketing Automation1 API34.5 WATIWhatsAppMessagingChatbots4 APIs32.9 Textla Inc.CompanySMSText MessagingBusiness Messaging32.8 OlarkLive ChatCustomer-SupportChatbots6 APIs31.8 DriftConversational MarketingChatbotsSalesMessaging9 APIs30.6 ExotelCloud TelephonyVoiceSMSIndia6 APIs29.9 Nectar SocialCompanyArtificial IntelligenceSocial-MediaCommunity Management2 APIs28.2 CheerfyCompanyRestaurantHospitalityCRM28.0 Replyr.aiCompanyArtificial IntelligenceChatbotsConversational AI1 API27.9

Emerging 19 Early or largely undocumented

ResulticksCompanyMarketingMarketing AutomationOmnichannel1 API25.3 OPOWERCompanyEnergyUtilitiesEnergy Efficiency2 APIs24.7 Remarkable AICompanyApplicative SaasPersonalization24.5 PersadoCompanyAi AppsArtificial IntelligenceGenerative AI1 API22.6 imbeeCompanyEnterpriseMessagingOmnichannel21.9 Carnival Mobile *CompanyEnterpriseMobilePush Notifications21.8 AgentIQCompanyArtificial IntelligenceBankingFinancial-Services20.5 Annex CloudLoyaltyCustomer RetentionRewardsPoints12 APIs19.5 LivePersonConversational AIMessagingContact Center9 APIs18.8 UplightEnergyUnited StatesUtilitiesElectricity1 API18.7 WebloyaltyCompanyLoyaltyRewardsE-Commerce18.7 Five9Contact CenterCCaaSCloud Telephony2 APIs17.0 RealtimeReal-TimeWebSocketWebRTCServer-Sent Events26 APIs17.0 MoxtraCollaborationMessagingVideo Conferencing1 API15.9 XtimeCompanyVertical SoftwareAutomotiveDealerships15.2 IgniteTechCompanySoftware-as-a-ServiceEnterprise SoftwareArtificial Intelligence13.8 FivestarsCompanyLoyaltyRewardsPayments13.7 Wallet StudioCompanyDigital WalletApple WalletGoogle Wallet12.1 PlusMarginCompanyMarketingDigital MarketingConsulting2 APIs11.3

Minimal 14 Almost no public developer surface

Verint SystemsAnalyticsSecurity1 API10.1 Sykes EnterprisesBPOTechnology1 API9.7 AxamerCompanyArtificial IntelligenceAI AgentsRestaurant9.2 PersoneticsCompanyBankingFintechFinancial-Services9.1 EbboCompanyLoyaltyMarketing TechnologyPromotions8.9 Awfar MarketCompanyCRMConversational Commerce5.0 BoomTrainCompanyMarketingPersonalizationMachine-Learning5.0 chatailCompanySoftware-as-a-ServiceLive CommerceVideo5.0 FlexEngageCompanyRetailTransactional Communications5.0 Get SatisfactionCompanyCustomer CommunityCustomer-Support5.0 BidgelyEnergyUtilitiesSmart MetersEnergy Disaggregation4.0 BanksightCompanyBankingFinancial-ServicesCRM1.5 EchopassCompanyContact CenterCloud Contact CenterCustomer Experience0.6 Hatch LoyaltyCompanyCustomer LoyaltyLoyalty Platform0.5

APIs with this tag (17)

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 7 Complete, well-documented, and agent-ready

Infobip Answers APIAnswers is the Infobip fully-encompassed chatbot building platform that enables you to build, test, and dep...71.0 Infobip Common Assets APIReuse assets created on Infobip SaaS products in order to recreate configuration more easily on a single or...71.0 Infobip Conversations APIConversations is a solution that allows Enterprises to engage in conversations with their customers over mu...71.0 Infobip Knowledge Base APIKnowledge Base is a centralized content management system for creating, organizing, and retrieving articles...71.0 Infobip Moments APIUse Moments to set up and manage automated messaging campaigns with your customers by building conversation...71.0 Infobip People APIBuild rich profiles for each person to create audience segments for more precise targeting. Manage duplicat...71.0 Infobip Vocalize APIInfobip Vocalize API allows you to integrate AI Gamification features into your application. — 9 operation ...71.0

Strong 2 Solid coverage with minor gaps

Blueshift MCP ServerOfficial hosted remote MCP server, in public beta, exposing a catalogue of 131 tools (97 read, 34 write) ac...64.7 Blueshift REST APIThe Blueshift REST API: 81 operations across 21 resource groups covering customer profiles and privacy oper...64.7

Developing 2 Usable, with meaningful gaps to close

Bonjoro API V2REST API for the Bonjoro personal-video platform. Create and assign greets (video tasks) for one or many re...49.4 SAP Emarsys Customer Engagement APIREST APIs for marketing automation, customer engagement, and personalized campaign management across email,...49.0

Thin 2 Limited public surface area

Olark JavaScript APIBrowser-side JavaScript API for controlling the Olark chat widget, including chatbox appearance and behavio...31.8 Replyr Platform APIREST API for the Replyr operator console at app.replyr.ai. Covers business account details, admins and team...27.9

Emerging 2 Early or largely undocumented

Uplight Developer Platform APIUplight markets a Developer Platform that exposes customer, program, eligibility, enrollment, device, and e...18.7 PushwooshA customer engagement platform offering push notifications (mobile + web), in-app messaging, email, and SMS...17.0

Minimal 2 Almost no public developer surface

Verint Systems APIThe Verint Systems API provides access to platform services and data for enterprise integration and automat...10.1 Sykes Enterprises APIThe Sykes Enterprises API provides access to platform services and data for enterprise integration and auto...9.7

Score breakdown

Frequency

56.3

log-scaled weighted occurrences

Breadth

2.6

spread across providers

Quality lift

48.2

mean composite of providers using it

Cohesion

19.6

strength of nearest seed neighbor

Where this tag comes from

Provider tag93

Api tag18

Cohort brief

Auto-generated

The 96 providers in the APIs.io catalog tagged Customer Engagement, scored on the Kin Score. Every figure below is computed from the catalog — nothing here is written.

Providers

all scored

Mean Kin Score

39.4

+18.7 vs catalog 20.7

Mean Agent Readiness

22.8

+13.1 vs catalog 9.7

Spread

0.5–83.1

median 42.1 · σ 23

How the 96 split by band

Exemplar 14Strong 15Developing 21Thin 13Emerging 19Minimal 14

Facet averages, against the whole catalog

Facet	This cohort	Catalog	Difference	Scored
Developer Ergonomics	40.9	17.9	+23	96
Operational Transparency	31.4	11.3	+20.1	96
Access Clarity	42.4	22.3	+20.1	96
Contract Quality	34.5	17.5	+17	96
Discoverability	72	60.4	+11.6	96
Contract Governance	16.9	6.4	+10.5	96

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

Artifact	This cohort	Catalog	Difference
MCP server (any)	41%	16%	+25
MCP server (first-party)	25%	7%	+18
Agent Skills	0%	0%	0
OAuth scopes	24%	9%	+15
Security	98%	88%	+10
Arazzo workflows	2%	2%	0
Governance rules	15%	13%	+2

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 Amazon Pinpoint 83.1
2 Braze 81.2
3 Regal 79.6
4 OneSignal 78.3
5 MoEngage 75.8
6 Zoho CRM 74.1
7 Iterable 73.9
8 Attentive 73.4
9 Boom Ai 73
10 Infobip 71

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.

All 92 tools

Call it yourself

curl for this page

This tag

curl "https://apis.io/api/v1/tags/customer-engagement"

All tags

curl "https://apis.io/api/v1/tags?limit=25"

As a scored cohort

curl "https://apis.io/api/v1/cohorts/tag/customer-engagement"

The distribution (Pro)

curl "https://apis.io/api/v1/cohorts/tag/customer-engagement/stats" \
  -H "X-API-Key: $APIS_IO_KEY"

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