established · 1.5 capability resource

Contact

Score 28.3 / 100 44 providers 44 APIs Search apis.io →
Variants seen in the corpus: Contactcontact

Providers using this tag (44)

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

Exemplar 4 Complete, well-documented, and agent-ready
ListrakEmail MarketingSMS MarketingMarketing AutomationCross-Channel56 APIs77.4BirdeyeReputation ManagementReviewsCustomer ExperienceSurveys27 APIs72.8LeadpingLead ManagementSales & marketing automationSMS MessagingA2P 10DLC29 APIs72.2API EvangelistAPI EvangelistDeveloper PortalAPI ResearchAPI Governance17 APIs69.8
Strong 12 Solid coverage with minor gaps
KeapCRMSalesMarketing AutomationSmall Business32 APIs66.4FactsetFinancialFinancial DataInvestment AnalyticsMarket Data460 APIs64.8ServiceNowAutomationCloud ServicesDigital WorkflowsEnterprise Platform63 APIs64.8SlashCompanyBankingPaymentsFinancial-Services26 APIs63.7ClariRevenue OperationsForecastingPipeline ManagementSales Intelligence11 APIs60.9SendHubCompanySMSMessagingText Messaging6 APIs60.7EmailOctopusEmailEmail MarketingNewslettersCampaigns6 APIs60.5Unified.toIntegrationUnified-API140 APIs60.4RevenueBaseCompanyB2B DataData EnrichmentEmail Verification5 APIs59.6CobotCompanyCo-WorkingWorkspace ManagementSpace Management44 APIs58.8VBOUTMarketing AutomationEmail MarketingSocial-MediaLead Management15 APIs57.7ThoughtlyVoice AIChat AIConversational AIAI Agents4 APIs56.0
Developing 17 Usable, with meaningful gaps to close
AkoyaFintechOpen BankingOpen FinanceAggregator11 APIs53.8EPA — U.S. Environmental Protection AgencyGovernmentEnvironmentalOpen DataAir Quality137 APIs53.7Amazon Ground StationData ProcessingIoTSatellite CommunicationsSpace Technology12 APIs52.8SocotraCompanyInsurtechInsuranceCore Platform18 APIs51.8AlascoCompanyAi Enterprise SoftwareReal-EstateConstruction40 APIs51.7FlowAccountCompanyAccountingInvoicingPayroll19 APIs51.3ChariotPaymentsDonor-Advised FundsCharitable GivingNon-Profit29 APIs51.0CubistCompanyDeveloper ToolsKey ManagementWallets30 APIs50.4HubfloClient PortalProfessional ServicesCRMInvoicing28 APIs47.6YouSignE-SignatureElectronic SignatureeIDASDigital Signature38 APIs47.0HilosCompanyWhatsAppMessagingAutomation6 APIs46.8PaystonePaymentsCanadaPayment ProcessingAcquiring1 API46.3MastercardCredit CardsDigital IdentityFinancial-ServicesFraud Detection249 APIs46.2Venminder (Digital Comply)CompanyThird-Party Risk ManagementVendor ManagementRisk16 APIs46.1AMCS GroupCompanyWaste ManagementRecyclingTransport257 APIs43.5SugerCloud MarketplaceGo-To-MarketSoftware-as-a-ServiceBilling11 APIs41.3Oper CreditsCompanyMortgagesLendingCredit52 APIs41.1
Thin 9 Limited public surface area
sevdeskAccountingInvoicingBookkeepingFinance9 APIs38.8ClickSendCommunicationsSMSMMSVoice10 APIs37.5PurplebricksReal-EstateUnited KingdomProperty ListingsOnline Estate Agency13 APIs36.9WisePaymentsFXCross-BorderBanking47 APIs35.9GetVocalCompanyArtificial IntelligenceVoice AIConversational AI3 APIs35.7PushCompanyCRMCustomer Data PlatformMarketing Automation1 API35.3OperCompanyVertical SoftwareFintechMortgage52 APIs34.3PeerTubeVideoDecentralizedFederationOpen-Source54 APIs34.1Farmers EdgeCompanyEnterpriseAgriculturePrecision Agriculture11 APIs27.3
Emerging 2 Early or largely undocumented
TanoCompany5 APIs19.4Amazon Web ServicesAmazonCloudNetworkIndex1804 APIs16.7

APIs with this tag (44)

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 4 Complete, well-documented, and agent-ready
Listrak Contact APIThe Contact API from Listrak — 8 operation(s) for contact.77.4Birdeye Contact APIManage contacts across locations effortlessly with a robust Contact Management System.72.8Leadping Contact APIAccepts public contact and website inquiry submissions for Leadping. Use these endpoints to send a structur...72.2API Evangelist Network APIThe whole network behind one REST API — unified search, 5,100+ posts, 77 topic areas, 2,400+ governance bui...69.8
Strong 12 Solid coverage with minor gaps
Keap Contacts APIKeap Contact API — 27 operations across 16 paths on the Keap REST v2 contract, read from Keap's own publish...66.4Factset Contact APIThe Contact API from Factset — 8 operation(s) for contact.64.8ServiceNow Contact APIOperations for managing Customer Service Management contacts64.8Slash Contact APIThe Contact API from Slash — 3 operation(s) for contact.63.7Clari Copilot APIThe Clari Copilot API provides access to conversation intelligence features including call recordings, tran...60.9SendHub Contact APICreate and manage contacts.60.7EmailOctopus Contact APIManage subscribers on a list: create, read, update, delete, upsert by email address, and update many at onc...60.5Unified.to contact APIThe contact API from Unified.to — 6 operation(s) for contact.60.4RevenueBase Contact Refresh APIThe contact-refresh service from RevenueBase — resolves an email address to the person's current contact re...59.6Cobot Contact APINon-member contacts a space has.58.8VBOUT Contact APIThe Contact API from VBOUT — 18 operation(s) for contact.57.7Thoughtly contact APIContact management — create, retrieve, update, and call contacts.56.0
Developing 17 Usable, with meaningful gaps to close
Akoya Customers APIReturns FDX-aligned customer/party information for the consumer who owns the permissioned accounts — name, ...53.8EPA — U.S. Environmental Protection Agency Contact APIThe Contact API from EPA — U.S. Environmental Protection Agency — 1 operation(s) for contact.53.7Amazon Ground Station Contact APIThe Contact API from Amazon Ground Station — 2 operation(s) for contact.52.8Socotra Contact APIThe Contact API from Socotra — 7 operation(s) for contact.51.8Alasco Contact APIA **Contact** is a person or organisation used in invoicing and correspondence, with name, address and cont...51.7FlowAccount Contact APIThe Contact API from FlowAccount — 4 operation(s) for contact.51.3Chariot Contact APIAccount contact and holder information51.0Cubist Contact APIThe Contact API from Cubist — 3 operation(s) for contact.50.4Hubflo contact APIThe contact API from Hubflo — 4 operation(s) for contact.47.6YouSign Contact APIA saved profile containing some information (name, language, email address, etc.) that can be re-used to cr...47.0Hilos Contact APIThe Contact API from Hilos — 2 operation(s) for contact.46.8Paystone DataCandy APIThe public, documented REST API for Paystone's DataCandy gift-card and loyalty platform, built on API Platf...46.3Mastercard Business Payment ControlsBusiness Payment Controls is an application programming interface (API) based solution that simplifies busi...46.2Venminder (Digital Comply) Contact APIThe Contact API from Venminder (Digital Comply) — 1 operation(s) for contact.46.1AMCS Group Contact APIThe Contact API from AMCS Group — 3 operation(s) for contact.43.5Suger Contact APIAccess to Contact resources41.3Oper Credits Contact APIThe Contact API from Oper Credits — 1 operation(s) for contact.41.1
Thin 9 Limited public surface area
sevdesk Contact APIContacts - customers, suppliers, and other business partners.38.8ClickSend Contact APIManage contacts.37.5Purplebricks Communications APIOutbound and inbound communication service covering the contact-us surface, customer emails and TPS (Teleph...36.9Wise contact APIFind discoverable Wise profiles and add them to your recipient list using an identifier — such as a Wisetag...35.9GetVocal Contact APIThe Contact API from GetVocal — 1 operation(s) for contact.35.7Cendyn CRM (PUSHTech) REST APIToken-authenticated REST API for the Cendyn CRM (formerly PUSHTech) hospitality CRM / CDP platform. 67 oper...35.3Oper Contact APIThe Contact API from Oper — 1 operation(s) for contact.34.3PeerTube Contact APISend a message to the instance administrators.34.1Farmers Edge contact APIThe contact API from Farmers Edge — 2 operation(s) for contact.27.3
Emerging 2 Early or largely undocumented
Tano Contact APIContact form submissions and updates.19.4Amazon Web Services Contact APIThe Contact API from Amazon Web Services — 28 operation(s) for contact.16.7

Score breakdown

Frequency
56.8
log-scaled weighted occurrences
Breadth
1.2
spread across providers
Quality lift
60.8
mean composite of providers using it
Cohesion
11.2
strength of nearest seed neighbor

Related tags

Invoice 7 co-occurrences Campaign 5 co-occurrences Config 5 co-occurrences Properties 5 co-occurrences Item 6 co-occurrences Resources 5 co-occurrences Clients 6 co-occurrences List 5 co-occurrences

Where this tag comes from

Api tag38
Openapi tag39
Openapi op tag194

Cohort brief

Auto-generated

The 44 providers in the APIs.io catalog tagged Contact, scored on the Kin Score. Every figure below is computed from the catalog — nothing here is written.

Providers
44
all scored
Mean Kin Score
50
+29.3 vs catalog 20.7
Mean Agent Readiness
33
+23.3 vs catalog 9.7
Spread
16.7–77.4
median 51.2 · σ 13.7
How the 44 split by band
Exemplar 4Strong 12Developing 17Thin 9Emerging 2Minimal 0
Facet averages, against the whole catalog
FacetThis cohortCatalogDifferenceScored
Contract Quality 57.8 17.5 +40.3 44
Developer Ergonomics 50.7 17.9 +32.8 44
Access Clarity 48 22.3 +25.7 44
Operational Transparency 30.7 11.3 +19.4 44
Contract Governance 24 6.4 +17.6 44
Discoverability 74.7 60.4 +14.3 44

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) 64% 16% +48
MCP server (first-party) 39% 7% +32
Agent Skills 0% 0% 0
OAuth scopes 30% 9% +21
Security 98% 88% +10
Arazzo workflows 7% 2% +5
Governance rules 39% 13% +26

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 Listrak 77.4
  2. 2 Birdeye 72.8
  3. 3 Leadping 72.2
  4. 4 API Evangelist 69.8
  5. 5 Keap 66.4
  6. 6 Factset 64.8
  7. 7 ServiceNow 64.8
  8. 8 Slash 63.7
  9. 9 Clari 60.9
  10. 10 SendHub 60.7
Top by Agent Readiness
  1. 1 Birdeye 61
  2. 2 Chariot 55.8
  3. 3 Factset 52.8
  4. 4 Slash 47.2
  5. 5 Cobot 46.9
  6. 6 API Evangelist 44.8
  7. 7 Hubflo 44.4
  8. 8 Alasco 43.6
  9. 9 Wise 42.4
  10. 10 RevenueBase 40.1
All 44 members of this roster resolve to a scored provider in the catalog.Generated from the catalog build of 25 August 2026, across 26891 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.

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Tools for tags

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  • 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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The distribution (Pro) 
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  -H "X-API-Key: $APIS_IO_KEY"

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