canonical · 2.1 market domain

Chat

Score 32.7 / 100 235 providers 224 APIs Search apis.io →
Variants seen in the corpus: Chatchat

Providers using this tag (235)

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

Exemplar 7 Complete, well-documented, and agent-ready
RegalArtificial IntelligenceAI AgentsVoice AIContact Center10 APIs79.6VesselCRMDialerEmbedded Integrations20 APIs72.1KnockNotificationMessagingInfrastructureWorkflows35 APIs71.9NVIDIA NIMArtificial IntelligenceInferenceMicroservicesLLM11 APIs71.2Facebook Business ManagerAdvertisingAnalyticsBusiness ManagementMarketing23 APIs68.68x8TelecommunicationsUnited StatesCPaaSUCaaS36 APIs67.1NovuNotificationMessagingIn-AppEmail19 APIs66.6
Strong 21 Solid coverage with minor gaps
Chili PiperSchedulingLead RoutingMeetingsSales16 APIs65.5OpenAIArtificial IntelligenceLarge Language ModelsT151 APIs64.2Cerebras SystemsCompanyAI InfrastructureArtificial IntelligenceMachine-Learning5 APIs63.8GitHub CopilotAgentsArtificial IntelligenceCode GenerationCode Review12 APIs63.7DotdigitalMarketing AutomationEmail MarketingSMSMMS4 APIs63.4VendastaCompanySoftware-as-a-ServiceMarketplaceSMB38 APIs63.3StructifyCompanyArtificial IntelligenceDataWeb Scraping32 APIs62.6Twitter/XCompanySocialSocial-MediaPosts22 APIs62.6SlackBotsCollaborationMessaging115 APIs62.3KPNTelecommunicationsNetherlandsMobile Network OperatorBroadband38 APIs61.9RingCentralCommunicationsUCaaSVoiceVideo88 APIs58.2ZendeskCRMHelp CenterSell150 APIs58.1Microsoft AzureAPI ManagementCloudCloud ComputingEnterprise1667 APIs57.3GladlyCustomer ServiceCXContact CenterAI Customer Service28 APIs57.0Dedalus LabsCompanyArtificial IntelligenceAgentsMCP16 APIs56.2VectaraArtificial IntelligenceAgentsCorporaEmbeddings9 APIs56.2Amazon QArtificial IntelligenceAssistantEnterpriseGenerative AI7 APIs56.0VercelAI GatewaysGatewaysObservabilityWebhook6 APIs55.9GC AICompanyLegalLegal AIContracts9 APIs55.3X (Twitter)Social-MediaMicrobloggingReal-Time DataStreaming23 APIs54.9FullcastCompanyEnterpriseRevenue OperationsSales Planning3 APIs54.8
Developing 88 Usable, with meaningful gaps to close
Ondo FinanceCompanyCryptoTokenizationReal World Assets26 APIs54.2Hugging Face21 APIs53.9Mistral AI11 APIs53.9RightNow AICompanyArtificial IntelligenceMachine-LearningLLM Inference7 APIs53.5InceptionCompanyAi MlLLMArtificial Intelligence4 APIs53.3D-IDAI VideoDigital HumansTalking HeadAvatar10 APIs53.2Microsoft TeamsCollaborationCommunicationsMicrosoft-36511 APIs52.9GenesysCompanySoftwareContact CenterCustomer Experience87 APIs52.7ZenZapCompanyAi MlMessagingTeam Communication8 APIs52.5LlamaParseDocument ParsingOCRPDFLLM36 APIs52.2H2O.aiCompanyArtificial IntelligenceMachine-LearningMLOps26 APIs51.9ParasailArtificial IntelligenceGPUInferenceLarge Language Models7 APIs51.6Microsoft CopilotAgentsAI AssistantArtificial IntelligenceChatbots7 APIs51.5PortkeyAI GatewaysGatewaysGovernanceGuardrails51 APIs51.3AquantCompanyArtificial IntelligenceAgentsField Service2 APIs51.2ZoomCollaborationCommunicationsMeetings47 APIs51.1University of California, San DiegoEducationHigher EducationUniversityPublic Research University12 APIs51.0LambdaArtificial IntelligenceCloudClusterCompute13 APIs50.9OpenRouterArtificial IntelligenceGatewayLarge Language ModelsRouter7 APIs50.4SarvamCompanyAi MlArtificial IntelligenceMachine-Learning8 APIs50.4AvitoCompanyConsumerClassifiedsMarketplace51 APIs49.8DiscordCommunicationsGamingMessaging29 APIs49.4TrueFoundryAI PlatformEnterprise AIKubernetesLLM Gateway13 APIs49.1Luma HealthHealthcareUnited StatesPatient EngagementScheduling13 APIs48.9LangdockCompanyArtificial IntelligenceEnterprise AILLM15 APIs48.7ZotGPT (UC Irvine)Artificial IntelligenceGenerative AILLMAI Gateway2 APIs48.5Help ScoutCustomer-SupportHelp DeskEmailLive Chat25 APIs48.3BeeperCompanyConsumerMessaging7 APIs48.1Anthropic ClaudeArtificial IntelligenceLarge Language ModelsLLMGenerative AI4 APIs47.9InterfazeCompanyArtificial IntelligenceMachine-LearningLLM1 API47.9MicrosoftFortune 10059 APIs47.8NetomiCompanyArtificial IntelligenceAgentic AICustomer Experience2 APIs47.8Altimate AICompanyDataData EngineeringArtificial Intelligence123 APIs47.7Google WorkspaceCalendarCollaborationEmailProductivity29 APIs47.5Amazon ConnectContact CenterCustomer ServiceVoice22 APIs47.3RouterPlexLLMArtificial IntelligenceAI GatewayInference5 APIs47.2BifrostAI GatewayLLMLoad BalancingOpen-Source4 APIs47.1Microsoft OfficeCollaborationDocumentsMicrosoftOffice9 APIs47.0Recursal AI, Inc.CompanyArtificial IntelligenceMachine-LearningLLM3 APIs47.0UnisoundCompanyArtificial IntelligenceSpeech RecognitionText-to-Speech3 APIs47.0TelegramBotsMessagingNotification10 APIs46.9FlexAICompanyAi MlArtificial IntelligenceMachine-Learning7 APIs46.8StackOneIntegrationiPaaS33 APIs46.7ConversicaCompanyArtificial IntelligenceConversational AIAI Agents1 API46.6DixaCustomer ServiceConversationalOmnichannelCX20 APIs46.5AIMLAPIArtificial IntelligenceMachine-LearningAI ModelsLLM10 APIs45.7ShapesCompanyArtificial IntelligenceAI Agents3 APIs45.7Inception LabsArtificial IntelligenceMachine-LearningLarge Language ModelsDiffusion Models4 APIs45.4GoogleAdvertisingCloudDevelopersGoogle125 APIs45.2DeeptraceCompanyAIOpsSite Reliability EngineeringObservability2 APIs45.1LettaArtificial IntelligenceAgentsStateful AgentsMemory41 APIs45.0UnityReal-Time 3DGame EngineGamingMultiplayer19 APIs45.0TwitchEntertainmentGamingLive VideoStreaming43 APIs44.9Google ChatCollaborationGoogleGoogle Workspace7 APIs44.8StakPakCompanyDevOpsInfrastructureAI Agents20 APIs44.2AI21 LabsArtificial IntelligenceFoundation ModelsLLMJamba11 APIs43.9GistCompanyArtificial IntelligenceGenerative AIAdvertising3 APIs43.5InkeepArtificial IntelligenceSupportRAGAgents3 APIs43.4AblyReal-TimeWebSocketsPub-SubMessaging12 APIs43.1OpenAI APIsArtificial IntelligenceEmbeddingsImage-GenerationLanguage Models12 APIs43.0HipChatMessagingCollaborationTeam Communication2 APIs42.7RequestyArtificial IntelligenceLLMRoutingGateway5 APIs42.7.txtCompanyArtificial IntelligenceLLMStructured Outputs6 APIs42.4KumospaceCompanyVirtual OfficeRemote WorkCollaboration23 APIs42.4DeepSeekArtificial IntelligenceChat CompletionLLM4 APIs42.3StreamMessagingActivity FeedsVideo14 APIs42.2WanAPIsLLM GatewayAI API GatewayOpenAI-CompatibleModel Marketplace9 APIs42.2CerebrasAI InferenceLarge Language ModelsWafer ScaleHardware4 APIs42.0Featherless AIArtificial IntelligenceLLMInferenceServerless4 APIs42.0Sarvam AIArtificial IntelligenceLLMSpeech-to-TextText-to-Speech6 APIs41.9Hevn IncCompanyFinancial-ServicesFintechBanking31 APIs41.8ChutesArtificial IntelligenceLLMInferenceServerless4 APIs41.7LangDBArtificial IntelligenceLLMAI GatewayRouting6 APIs41.6NscaleArtificial IntelligenceGPUInferenceServerless5 APIs41.6HighriseCompanyVirtual WorldMetaverseSocial7 APIs41.4SUTRA (Two AI)Artificial IntelligenceLLMMultilingualInference2 APIs41.4Arcee AICompanyArtificial IntelligenceMachine-LearningLarge Language Models29 APIs41.2Zoho CliqMessagingTeam CollaborationBots22 APIs41.2CentMLArtificial IntelligenceLLMInferenceServerless5 APIs40.7OllamaArtificial IntelligenceLarge Language ModelsModels14 APIs40.4Azure OpenAI ServiceArtificial IntelligenceEmbeddingsGPTGenerative AI4 APIs40.3NakamaGamingGame BackendBackendReal-Time11 APIs40.2ChatbaseArtificial IntelligenceChatbotsAI AgentCustomer-Support5 APIs40.0Arize PhoenixLLM ObservabilityAI EvaluationOpenTelemetryTracing17 APIs39.8CircleCommunityCreatorsCoursesMemberships8 APIs39.8nexos.aiCompanyArtificial IntelligenceLLMAI Gateway16 APIs39.6TalkJSMessagingCommunicationsSDK6 APIs39.5TargonArtificial IntelligenceLLMInferenceDecentralized5 APIs39.4
Thin 86 Limited public surface area
RainbowCommunicationsCPaaSVoice7 APIs39.1OndemandCompanyArtificial IntelligenceMachine-LearningRAG6 APIs38.9SambaNovaAI InferenceLarge Language ModelsDataflowsHardware5 APIs38.9MindlogicCompanyAi MlGenerative AIConversational AI7 APIs38.7kapa.aiArtificial IntelligenceAnswer EngineRAGDocumentation6 APIs38.6InthegameCompanyStreamingCTVOTT21 APIs38.2StreamReal-TimeMessagingVideo6 APIs38.2ZocaCompanyArtificial IntelligenceMarketingBeauty and Wellness3 APIs38.2CometChatMessagingVoiceVideo13 APIs38.0glhfArtificial IntelligenceLLMInferenceOpen Source Models2 APIs38.0Kimi (Moonshot AI)LLMLong ContextArtificial IntelligenceOpenAI-Compatible13 APIs38.0OvershootCompanyArtificial IntelligenceComputer-VisionVideo8 APIs37.9RekaArtificial IntelligenceMulti-ModalLarge Language ModelsVision9 APIs37.9LangflowArtificial IntelligenceAgentsWorkflowsLow-Code15 APIs37.8MendableArtificial IntelligenceAnswersEnterprise SearchRAG4 APIs37.7PoolsideArtificial IntelligenceLLMFoundation ModelsAgentic Coding4 APIs37.7RevertIntegrationCRMUnified-APIOpen-Source13 APIs37.6Secton APIArtificial IntelligenceInferenceLLMChat Completions2 APIs37.6Cisco Webex MeetingsCollaborationCommunicationsEnterpriseMeetings14 APIs37.4EnvoyCloud-NativeLoad BalancingProxyService Mesh15 APIs37.3SynapseCollaborationDecentralizedFederation9 APIs37.2XiaomiConsumer ElectronicsIoTSmart HomeMobile8 APIs36.9RestreamBroadcastContent DeliveryLive Streaming7 APIs36.4DifyArtificial IntelligenceBackend-as-a-ServiceLLMOps7 APIs36.1TabbyAI Coding AssistantCode CompletionOpen-SourceDeveloper Tools6 APIs36.1QuoraCommunityKnowledgeQ&A5 APIs35.8LiveLikeCompanyFan EngagementLive StreamingInteractive Video1 API35.5TrieveSearchRAGVector SearchHybrid Search21 APIs35.5CometAPIArtificial IntelligenceAggregatorAudio6 APIs35.2Together AIArtificial IntelligenceLLMInferenceFoundation Models28 APIs35.1Photon EngineGamingMultiplayerReal-TimeNetcode9 APIs34.9WazoTelephonyVoIPUnified CommunicationsUCaaS14 APIs34.6GroqArtificial IntelligenceLLMInferenceLPU9 APIs34.3UnissonCompanyArtificial IntelligenceAI AgentsCustomer Success45 APIs34.3Microsoft Office ApplicationsDocumentsOfficePresentationsProductivity10 APIs34.2GroupMeCompanyConsumerMessaging1 API34.1PubNubReal-TimeWebSocketsPub-SubIoT2 APIs34.1Maia-analyticsCompanyDeveloper ToolsGeospatialGIS33 APIs34.0TelnyxCommunicationsCPaaSVoiceSMS168 APIs34.0Microsoft Office SuiteCloudCollaborationDocumentsMicrosoft-36510 APIs33.9LiteLLMGateways33 APIs33.7cohere9 APIs33.5GleanAgentsArtificial IntelligenceAnswers22 APIs33.5Mistral AICompanyArtificial IntelligenceLarge Language ModelsGenerative AI11 APIs33.5overshoot.aiCompanyArtificial IntelligenceComputer-VisionVideo8 APIs33.4Fireworks AIArtificial IntelligenceLLMInferenceMulti-Modal10 APIs33.1Here Not There LabsCompanyMessagingDecentralizedWeb31 API33.1Microsoft Products APIsAzureCloudEnterpriseMicrosoft14 APIs33.1osmAPIArtificial IntelligenceAnthropicGatewayLLM4 APIs33.1DecisionLinkCompanyCloud SaasRevenue OperationsCustomer Value Management4 APIs33.0BotpressArtificial IntelligenceConversationalOpen-Source8 APIs32.3Moonshot AIArtificial IntelligenceLLMInferenceLong Context6 APIs32.3CloudQueryCloud InfrastructureCloud Asset InventoryCSPMCloud Governance26 APIs32.1Microsoft ProductsCloudEnterpriseMicrosoftProductivity9 APIs32.0AI GatewayAI GatewayLLM RouterLLM ProxyModel Routing38 APIs31.8OlarkLive ChatCustomer-SupportChatbotsCustomer Engagement6 APIs31.8PickerCompanyLogisticsDeliveryLast Mile64 APIs31.8VoiceflowArtificial IntelligenceConversationalVoice5 APIs31.7WomboCompanyArtificial IntelligenceMachine-LearningInference4 APIs31.5Microsoft Office ProductsCloudEnterpriseMicrosoftOffice9 APIs31.4instacart10 APIs31.0Microsoft SuiteCloudEnterpriseProductivitySoftware-as-a-Service13 APIs30.8LandbotChatbotsConversational AINo-CodeWhatsApp2 APIs30.6GlamaArtificial IntelligenceMCPLLM GatewayMCP Gateway7 APIs30.3Office 365CloudCollaborationDocumentsEmail5 APIs30.1dottxtCompanyArtificial IntelligenceLLMStructured Outputs2 APIs30.0Salesforce Service Cloud APIsCloudCRMCustomer ServiceEnterprise8 APIs29.8LM StudioCompanyArtificial IntelligenceLocal LLMMachine-Learning4 APIs29.5TruVideoCompanyCommerceVideoMessaging11 APIs29.5QwenArtificial IntelligenceLLMInferenceOpen-Source4 APIs29.301.AIArtificial IntelligenceLLMYiOpen-Source2 APIs29.2DeepInfraArtificial IntelligenceLLMInferenceServerless7 APIs28.9HyperbolicArtificial IntelligenceLLMInferenceGPU7 APIs28.7Flowdock (Discontinued)Team ChatTeam InboxCollaborationReal-Time Messaging15 APIs28.4AgoraReal-Time EngagementVoiceVideoSignaling11 APIs28.2AiderArtificial IntelligenceAI Pair ProgrammingDeveloper ToolsCLI15 APIs27.9ByteDance DoubaoArtificial IntelligenceLLMInferenceByteDance6 APIs27.9ChatworkMessagingCollaborationProductivity9 APIs27.9SiliconFlowArtificial IntelligenceLLMInferenceOpen-Source11 APIs27.8OpenPipeArtificial IntelligenceLLMFine-TuningDistillation10 APIs27.7Inflection AIArtificial IntelligenceLLMPersonal AIPI5 APIs27.4RevertUnified-APIEmbedded iPaaSIntegrationProduct Integrations6 APIs27.3vLLMLLMInferenceOpen-SourceGPU7 APIs27.0Microsoft Applications APIsCloudEnterpriseMicrosoftMicrosoft-36510 APIs26.8GradientCompanyCrypto Web3Artificial IntelligenceMachine-Learning3 APIs26.3KAITOArtificial IntelligenceGPUInferenceKubernetes5 APIs26.3
Emerging 23 Early or largely undocumented
EmaCompanyArtificial IntelligenceAgentsAI Employees1 API25.8Open WebUILLMOpen-SourceSelf-HostedOllama4 APIs25.8ProomptyArtificial IntelligencePrompts9 APIs25.8Tlon CorporationCompanyMessagingSocialUrbit1 API25.0YaloCompanyArtificial IntelligenceConversational CommerceWhatsApp25.0Epic GamesGame ServicesGamingCross-PlatformAchievements10 APIs23.6SierraAgentsArtificial IntelligenceConversational AI1 API23.6Microsoft SkypeCommunicationsMessagingMicrosoftVideo2 APIs21.7SuperpowerHealthLongevityLab TestingBiomarkers5 APIs21.7Nous ResearchCompanyArtificial IntelligenceMachine-LearningLarge Language Models2 APIs20.7DecagonAgentsArtificial IntelligenceConversational AI1 API19.8LazadaE-CommerceMarketplaceSoutheast AsiaAlibaba12 APIs19.7LivePersonConversational AICustomer EngagementMessagingContact Center9 APIs18.8WolfCompanyStaffingGig EconomyWorkforce Management1 API18.0RealtimeReal-TimeWebSocketWebRTCServer-Sent Events26 APIs17.0LlamaArtificial IntelligenceLarge Language ModelsMachine-LearningMeta4 APIs16.2Microsoft ApplicationsCloudCollaborationEnterpriseMicrosoft9 APIs16.2YampaCompanyAi MlAI AgentsCustomer Service15.7TabnineArtificial IntelligenceDeveloper ToolsCode CompletionSelf-Hosted2 APIs14.5HopperTravelMarketplaceFintechPrice Freeze7 APIs14.4CarNowCompanyAutomotiveDigital RetailDealerships13.3AdeptArtificial IntelligenceAgentsFoundation ModelsAction Models5 APIs13.1CodeiumArtificial IntelligenceDeveloper ToolsCode CompletionIDE2 APIs12.4
Minimal 10 Almost no public developer surface
DisczCompanyConsumerMusicMusic Discovery10.5KikiCompanySocialDating10.2C2MCompanySocialMessaging9.2chatousCompanyMessagingSocial9.2KikCompanySocial-MediaMessaging9.2OctoAIAcquiredDefunctAI InferenceGenerative AI5 APIs8.2DazeCompanyMessagingSocial6.0OnceCompanyConsumerDatingSocial5.5LiveprofileCompanyMessagingCommunications5.3Insent.aiCompanyConversational MarketingSales Engagement5.0

APIs with this tag (223)

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 9 Complete, well-documented, and agent-ready
Vessel Chat Unified APIThe Vessel Chat Unified API normalizes chat platform objects across Slack and Microsoft Teams under /api/un...72.1Vessel Microsoft Teams Actions APIThe Vessel Actions API for Microsoft Teams — typed, validated wrappers over Microsoft Teams's native API se...72.1Vessel Slack Actions APIThe Vessel Actions API for Slack — typed, validated wrappers over Slack's native API served under /api/acti...72.1NVIDIA NIM Chat APIOpenAI-compatible chat completion operations71.2Facebook Messenger Platform APIBuild conversational experiences on the Messenger platform. The Messenger Platform API enables businesses t...68.68x8 Contact Center Chat API8x8 Contact Center Chat API for creating conversations, exchanging messages and managing chat participants.67.18x8 Contact Center Chat API V28x8 Contact Center Chat API v2 for creating and driving chat conversations, messages and participants insid...67.1Chapi - Chat API8x8 Chapi chat API for programmatic creation of chat conversations against the contact center chat service.67.1Contact Center Chat Gateway8x8 Contact Center Chat Gateway API for bridging external chat channels into 8x8 Contact Center conversations.67.1
Strong 37 Solid coverage with minor gaps
Chili Piper Chat APIThe chat API from Chili Piper — 1 operation(s) for chat.65.5OpenAI Chat APIGiven a list of messages comprising a conversation, the model will return a response.64.2OpenAI Chatkit APIThe Chatkit API from OpenAI — 5 operation(s) for chatkit.64.2Cerebras Systems Chat APIThe Chat API from Cerebras Systems — 1 operation(s) for chat.63.8GitHub Copilot Chat APIAPI for GitHub Copilot Chat interactions and conversations.63.7Dotdigital CPaaS APIThe Communications Platform as a Service estate under /cpaas — omnichannel outbound and inbound messaging a...63.4Vendasta Conversation APIConversations AI service API for the unified inbox that centralises SMS, web chat, voice and other channels...63.3Structify chat APIChat session management endpoints62.6Twitter/X Chat APIThe Chat API from Twitter/X — 16 operation(s) for chat.62.6Slack Chat APIThe Chat API from Slack — 10 operation(s) for chat.62.3Parley Secure Messenger APIThis API enables a secure communication between your agent/bot desktop and the client website/mobile app.61.9RingCentral Team Messaging APIThe RingCentral Team Messaging API enables developers to build chatbots, send notifications, and create add...58.2Zendesk Chat Accounts APIThe Zendesk Chat Accounts API lets you get or set account information for your Zendesk Chat instance. If yo...58.1Zendesk Chat Agents APIThe Zendesk Chat Agents API lets you get or set agent information for your Zendesk Chat instance. If you cr...58.1Zendesk Chat Bans APIThe Zendesk Chat Bans API lets you manage banned visitors in your Chat account. You can list banned visitor...58.1Zendesk Chat Chats APIThe Zendesk Chat Chats API provides access to individual chat records with information including agent IDs,...58.1Zendesk Chat Conversations APIThe Zendesk Chat Conversations API lets your application act as a Zendesk Chat agent and interact with cust...58.1Zendesk Chat Departments APIThe Zendesk Chat Departments API lets you get or set department information for your Chat instance. Departm...58.1Zendesk Chat Goals APIThe Zendesk Chat Goals API lets you manage conversion goals for your Chat account. Goals track specific vis...58.1Zendesk Chat Roles APIThe Zendesk Chat Roles API lets you manage agent roles and permissions within your Chat account. You can re...58.1Zendesk Chat Routing Settings APIThe Zendesk Chat Routing Settings API lets you get or modify chat routing settings for your account. It con...58.1Zendesk Chat Shortcuts APIThe Zendesk Chat Shortcuts API lets you manage canned responses that agents can use during live chat conver...58.1Zendesk Chat Skills APIThe Zendesk Chat Skills API lets you manage skills used for routing chats to qualified agents. You can get ...58.1Zendesk Chat Triggers APIThe Zendesk Chat Triggers API lets you manage proactive chat triggers that automatically engage visitors ba...58.1Zendesk Chat Visitors APIThe Zendesk Chat Visitors API lets you get or set visitor information for your Zendesk Chat instance. Visit...58.1Zendesk Real-Time Chat APIThe Zendesk Real-Time Chat API provides streaming access to real-time chat metrics and activity data. It en...58.1Microsoft Azure Communication Services APIAzure Communication Services provides multichannel communication APIs that enable developers to add voice, ...57.3Gladly Chat SDKJavaScript chat widget loaded from the Gladly CDN. Exposes `Gladly.init`, `show`, `close`, `setUser`, `star...57.0Gladly Sidekick Android SDKKotlin SDK (Android Q / API 29+) for embedding the Gladly Sidekick chat experience in Android apps. Provide...57.0Gladly Sidekick iOS SDKSwift SDK (v1.2.5, iOS 11+) for embedding the Gladly Sidekick chat experience in iOS apps. Ships `Gladly`, ...57.0Dedalus Labs Chat APIThe Chat API from Dedalus Labs — 1 operation(s) for chat.56.2Vectara Chat APIMulti-turn conversational interface over a Vectara corpus that maintains chat history and produces grounded...56.2Amazon Q Developer in Chat Applications APIAPI for Amazon Q Developer in chat applications, which enables integration of Amazon Q Developer capabiliti...56.0Vercel Chat APIChat completions (OpenAI-compatible)55.9GC AI Chat APIAI chat completion endpoints55.3X (Twitter) Chat APIThe Chat API from X (Twitter) — 15 operation(s) for chat.54.9Fullcast Assistant APIThe HTTP API behind the in-platform Fullcast Assistant (copilot) and the assistant-hosted Fullcast MCP Serv...54.8
Developing 80 Usable, with meaningful gaps to close
Ondo Finance Chat APIThe Chat API from Ondo Finance — 1 operation(s) for chat.54.2Hugging Face Chat APIOpenAI-compatible chat completion endpoints53.9Mistral AI Chat APIChat completion operations53.9RightNow AI Chat APIThe Chat API from RightNow AI — 1 operation(s) for chat.53.5Inception Chat APIChat completion endpoints (OpenAI-compatible).53.3D-ID Chat APISend messages and receive responses in an agent chat53.2Genesys Chat APIThe Chat API from Genesys — 22 operation(s) for chat.52.7LlamaParse Chat APIThe Chat API from LlamaParse — 4 operation(s) for chat.52.2H2O.ai Chat APIThe Chat API from H2O.ai — 29 operation(s) for chat.51.9Parasail Chat APIChat completions for conversational LLM workloads.51.6Microsoft Copilot Chat APIProgrammatically start and continue conversations with Microsoft 365 Copilot using enterprise search and we...51.5Portkey Chat APIGiven a list of messages comprising a conversation, the model will return a response.51.3Aquant Conversation Platform (VoiceAI) APIThe Aquant Conversation Platform (ACP) API powers Voice AI and web chat with Aquant's service agents. Clien...51.2Zoom Chat APIThe Chat API from Zoom — 2 operation(s) for chat.51.1Zoom Team Chat APIThe Zoom Team Chat API enables developers to integrate messaging into applications and automate workflows w...51.1Lambda Inference APILambda Inference API is an OpenAI-compatible REST gateway at https://api.lambda.ai/v1 that serves hosted op...50.9OpenRouter Chat APIChat completion endpoints (OpenAI-compatible).50.4Sarvam chat APIThe chat API from Sarvam — 1 operation(s) for chat.50.4Avito Chat APIThe Chat API from Avito — 4 operation(s) for chat.49.8TrueFoundry Chat APIChat completion operations for LLM conversation49.1Luma Health Conversational AI Assistant APIConversational AI assistant surfaces - assistant instances and actions, lumabot flows and templates, knowle...48.9Langdock Chat APIThe Chat API from Langdock — 1 operation(s) for chat.48.7ZotGPT (UC Irvine) ZotGPT GatewayZotGPT (UC Irvine) ZotGPT Gateway from ZotGPT (UC Irvine) — 2 path(s) described in OpenAPI.48.5ZotGPT API (Deprecated)The first-generation ZotGPT developer API, an OpenAI-compatible chat completions endpoint fronted by Azure ...48.5Help Scout Chat APIRead and write live chat conversations and messages alongside the email Mailbox API for unified ticketing.48.3Interfaze Chat APIThe Chat API from Interfaze — 1 operation(s) for chat.47.9Microsoft Chat APIManage chat threads and messages47.8Netomi Platform APIThe Netomi backend service that fronts the Agentic OS for CX. It backs the first-party mobile Chat SDKs (se...47.8Altimate AI Chat APIThe Chat API from Altimate AI — 1 operation(s) for chat.47.7Google Chat APIBuild bots and integrations for Google Chat.47.5Amazon Connect Participant Service APIThe Amazon Connect Participant Service enables managing chat participants including agents, customers, and ...47.3RouterPlex Chat APIThe Chat API from RouterPlex — 1 operation(s) for chat.47.2Bifrost Chat APIChat completions compatible with OpenAI chat API47.1Recursal AI, Inc. Chat APIOpenAI-compatible chat and text completion generation47.0Teams APIAPI for integrating with Microsoft Teams, including messaging, channels, and collaboration features.47.0Unisound Shanhai (UniGPT) LLM WebAPIREST chat-completions WebAPI for the Shanhai (山海 / UniGPT) large language model on the Unisound AI Open Pla...47.0FlexAI Chat APIChat completions46.8StackOne Unified Messaging APIStackOne Unified Messaging API standardizes communication workflows across platforms, with consistent data ...46.7AIMLAPI Chat APIThe Chat API from AIMLAPI — 1 operation(s) for chat.45.7Shapes Chat APIThe Chat API from Shapes — 1 operation(s) for chat.45.7Inception Labs Chat APIChat completion endpoints (OpenAI-compatible).45.4Google Chat APIThe Google Chat API enables developers to build Chat apps that bring services and resources into Google Cha...45.2Deeptrace Chat APIAI-powered conversational interface over your production systems.45.1Letta Chat APIChat operations.45.0Unity Vivox Voice and Text Chat APIVivox in-game voice and text chat with moderation, channel management, and recordings. The Moderation REST ...45.0Twitch Chat APIManage chat settings, emotes, badges, and announcements44.9Twitch Embed APIAPIs for embedding Twitch live streams, video on demand, clips, and chat into external websites.44.9StakPak Chat APIThe Chat API from StakPak — 2 operation(s) for chat.44.2AI21 Jamba Chat Completions APIConversational completions endpoint backed by the Jamba family of hybrid Mamba/Transformer models (Jamba 1....43.9AI21 Labs Chat APIThe Chat API from AI21 Labs — 1 operation(s) for chat.43.9Gist Answers API (Prorata API Service)REST API behind Gist Answers. Creates chats against a publisher's licensed corpus, streams the answer back ...43.5Inkeep Chat APIOpenAI-compatible RAG chat completions over your content.43.4OpenAI APIs Chat APIChat completion operations43.0HipChat REST API v2The HipChat REST API v2 was the primary developer surface for the team chat platform, exposing rooms, users...42.7HipChat Webhooks APIEvent-driven webhook delivery from HipChat rooms. Webhooks could be registered via the REST API or declared...42.7Requesty Chat APIOpenAI-compatible chat completions routed across providers.42.7.txt chat APICreate model responses for chat conversations. Supports: - **Multi-turn dialogue** with conversation histor...42.4Kumospace Chat APIThe Chat API from Kumospace — 8 operation(s) for chat.42.4DeepSeek Chat APIThe Chat API from DeepSeek — 1 operation(s) for chat.42.3WanAPIs Chat APIChat completion endpoints (OpenAI Chat Completions compatible).42.2Cerebras Chat APIOpenAI-compatible chat completions.42.0Featherless AI Chat APIOpenAI-compatible chat completions.42.0Sarvam AI Chat APIThe Chat API from Sarvam AI — 1 operation(s) for chat.41.9Hevn Inc Chat APIThe Chat API from Hevn Inc — 8 operation(s) for chat.41.8Chutes Chat APIOpenAI-compatible chat completions.41.7LangDB Chat APIOpenAI-compatible chat completions and model routing.41.6Nscale Chat APIOpenAI-compatible chat completions.41.6SUTRA (Two AI) Chat APIOpenAI-compatible chat completions across SUTRA models.41.4Arcee AI Chat APIThe Chat API from Arcee AI — 12 operation(s) for chat.41.2CentML Chat APIThe Chat API from CentML — 1 operation(s) for chat.40.7Ollama Anthropic Compatibility APIOllama provides compatibility with the Anthropic Messages API, enabling tools like Claude Code to work with...40.4Ollama Chat APIGenerate chat completions with multi-turn conversation support.40.4Ollama OpenAI Compatibility APIOllama provides compatibility with parts of the OpenAI API, allowing existing applications built for OpenAI...40.4Azure OpenAI Service Chat APIThe Chat API from Azure OpenAI Service — 1 operation(s) for chat.40.3Nakama Realtime Socket APIPersistent WebSocket connection carrying realtime features - status presence, realtime chat channels, relay...40.2Chatbase Chat APIMessage an agent and receive a response, with optional streaming.40.0Arize Phoenix chat APIThe chat API from Arize Phoenix — 2 operation(s) for chat.39.8Circle Realtime WebSocket APIBeta ActionCable (Rails) WebSocket surface for realtime chat and notifications, connected at wss://app.circ...39.8nexos.ai Chat APIGenerate a response from conversation messages.39.6Targon Chat APIOpenAI-compatible chat completions.39.4
Thin 79 Limited public surface area
Ondemand Chat APIThe Chat API from Ondemand — 7 operation(s) for chat.38.9SambaNova Chat APIThe Chat API from SambaNova — 1 operation(s) for chat.38.9Mindlogic Chat APIThe Chat API from Mindlogic — 1 operation(s) for chat.38.7kapa.ai Chat APIAsk questions and create threads.38.6Inthegame chat APIThe chat API from Inthegame — 3 operation(s) for chat.38.2Zoca Tasks APIThe Zoca tasks and automation service. 785 paths and 855 operations under /tasks/api/v1 covering the AI con...38.2glhf Chat APIThe Chat API from glhf — 1 operation(s) for chat.38.0Kimi (Moonshot AI) Chat APIThe Chat API from Kimi (Moonshot AI) — 1 operation(s) for chat.38.0Overshoot Chat APIThe Chat API from Overshoot — 1 operation(s) for chat.37.9Reka Chat APIChat completions with the Reka model family.37.9Langflow Chat APIThe Chat API from Langflow — 6 operation(s) for chat.37.8Mendable Chat APIAsk grounded questions over ingested content.37.7Poolside chat APIThe chat API from Poolside — 2 operation(s) for chat.37.7Revert Chat APIUnified chat operations across Slack, Microsoft Teams, and Discord37.6Secton API Chat APIThe Chat API from Secton API — 1 operation(s) for chat.37.6Webex Meeting Chats APIRetrieve chat transcripts from completed Webex meetings for compliance and post-meeting reporting.37.4Envoy Chat APIChat completions endpoints compatible with the OpenAI Chat API. Routes requests to configured AI backends b...37.3Xiaomi Chat APIThe Chat API from Xiaomi — 1 operation(s) for chat.36.9Restream Chat APIWebSocket API for accessing and managing Restream Chat. Receive real-time chat messages from all connected ...36.4Dify Chat APIThe Chat API from Dify — 2 operation(s) for chat.36.1Tabby Chat APIOpenAI-compatible chat completions and inline chat / Answer Engine.36.1Quora Chat APIOpenAI-compatible chat completion endpoints.35.8LiveLike REST APIREST API for managing LiveLike applications, user profiles, programs, interactive widgets (polls, quizzes, ...35.5Trieve Topic APITopics persist conversational state for generative-AI chat sessions backed by a Trieve dataset.35.5CometAPI Chat APIChat completions across LLM providers.35.2Together AI Chat APIThe Chat API from Together AI — 1 operation(s) for chat.35.1Photon Chat APIA separately billed Photon Cloud service (its own AppId type) for text messaging, presence, and friend list...34.9Wazo Presence & Chat API (wazo-chatd)Presence and chat microservice. Tracks user, line and refresh-token presence (including Microsoft Teams pre...34.6Groq Chat APIThe Chat API from Groq — 1 operation(s) for chat.34.3Unisson chat APIThe chat API from Unisson — 18 operation(s) for chat.34.3Teams APIAPI for Microsoft Teams collaboration and communication.34.2GroupMe API v3REST + JSON API for GroupMe groups, memberships, messages, chats, likes, blocks, users, and bots, plus a Ba...34.1Maia-analytics chat APIThe chat API from Maia-analytics — 8 operation(s) for chat.34.0Telnyx Chat APIGenerate text with LLMs34.0Microsoft Teams APIAPI for building apps and bots integrated with Microsoft Teams.33.9LiteLLM Chat APIThe Chat API from LiteLLM — 1 operation(s) for chat.33.7Cohere Chat APIThe Cohere Chat API enables developers to integrate large language model text generation capabilities into ...33.5Glean chat APIThe chat API from Glean — 8 operation(s) for chat.33.5Mistral AI Chat APIChat completion API for conversational AI using Mistral's language models, with function calling, streaming...33.5overshoot.ai Chat APIThe Chat API from overshoot.ai — 1 operation(s) for chat.33.4Fireworks AI Chat APIThe Chat API from Fireworks AI — 1 operation(s) for chat.33.1Microsoft Teams APIBuild apps and bots for the Microsoft Teams collaboration platform.33.1osmAPI Chat APIThe Chat API from osmAPI — 1 operation(s) for chat.33.1Xfactor.io Value Chat APIThe Growth AI conversational service — chat sessions and history, prompt management, file upload, feedback,...33.0Botpress Chat APIWebhook-based REST API for sending and receiving chat messages with deployed Botpress bots. Endpoint patter...32.3Moonshot AI Chat APIThe Chat API from Moonshot AI — 1 operation(s) for chat.32.3CloudQuery chat APIThe chat API from CloudQuery — 7 operation(s) for chat.32.1Microsoft Teams APIAPI for building apps and bots for Microsoft Teams.32.0AI Gateway Chat APIThe Chat API from AI Gateway — 1 operation(s) for chat.31.8Olark Chat APIChat conversation and operator control31.8Picker chat APIThe chat API from Picker — 2 operation(s) for chat.31.8Wombo Chat APIText and vision-language chat completions31.5Microsoft Teams APIAPI for building apps, bots, and integrations for Microsoft Teams.31.4instacart Chat APIEndpoints for shopper-customer communication including sending and retrieving chat messages.31.0Microsoft Teams APIAPI for integrating with Microsoft Teams to create bots, tabs, messaging extensions, and connectors.30.8Landbot APIchatAPI for embedding and interacting with Landbot chat sessions programmatically, enabling developers to drive...30.6Glama Chat and PlaygroundAll-in-one AI workspace that chats with any MCP server the user owns, routed through the Glama Gateway so e...30.3Microsoft Teams APIIntegrate with Microsoft Teams for chat, channels, meetings, and collaboration.30.1dottxt Chat APIOpenAI-compatible chat completions with structured output.30.0Service Cloud Live Agent APIAPI for real-time chat and messaging with customers.29.8LM Studio Chat APINative LM Studio chat inference with generation stats.29.5TruVideo Chat APIThe Chat API from TruVideo — 4 operation(s) for chat.29.5Qwen Chat APIThe Chat API from Qwen — 1 operation(s) for chat.29.301.AI Chat APIOpenAI-compatible chat completions for Yi text and vision models.29.2DeepInfra Chat APIThe Chat API from DeepInfra — 1 operation(s) for chat.28.9Hyperbolic Chat APIThe Chat API from Hyperbolic — 1 operation(s) for chat.28.7Flowdock (Discontinued) Chat APIChat-style messages posted as an external user.28.4Agora Chat APIThe Agora Chat API provides scalable in-app messaging with one-to-one chat, group chat, chat rooms, threads...28.2Aider Chat APIAider Commands That Manage the Chat Session and History.27.9ByteDance Doubao Chat APIThe Chat API from ByteDance Doubao — 1 operation(s) for chat.27.9SiliconFlow Chat APIThe Chat API from SiliconFlow — 1 operation(s) for chat.27.8OpenPipe Chat APIThe Chat API from OpenPipe — 1 operation(s) for chat.27.7Inflection AI Chat APIThe Chat API from Inflection AI — 2 operation(s) for chat.27.4Revert Chat APIUnified messaging models - channels, users, messages.27.3vLLM Chat APIOpenAI-compatible chat completions27.0vLLM OpenAI-Compatible ServerOpenAI-compatible REST API exposed by `vllm serve`. Endpoints include /v1/chat/completions, /v1/completions...27.0Microsoft Teams APIAPI for building apps and bots that integrate with Microsoft Teams.26.8Gradient Chat APIChat completion26.3KAITO Chat APIOpenAI-compatible chat completions grounded in RAG indexes.26.3
Emerging 17 Early or largely undocumented
Ema Builder Platform APIProgrammatic access to Ema AI Employees. REST (HTTP/JSON) quickstart plus a gRPC-Web path for advanced endp...25.8Open WebUI APIREST API exposed by a self-hosted Open WebUI instance. Endpoints cover chat completions (proxying upstream ...25.8Open WebUI Chat APIThe Chat API from Open WebUI — 1 operation(s) for chat.25.8Proompty Chat APIThe Chat API from Proompty — 1 operation(s) for chat.25.8Epic Online Services Voice APIThe EOS Voice Interface delivers in-game voice chat using Vivox backend infrastructure, with positional aud...23.6Azure Communication ServicesAzure Communication Services (successor to Skype developer APIs) provides cloud-based communication APIs fo...21.7Superpower AI Health ChatSuperpowerAI chat assistant that lets members explore their lab data and protocols with clinical context. A...21.7Nous Research Chat APIOpenAI-compatible chat completions.20.7Lazada Chat (IM) APIBidirectional buyer-seller messaging API for in-app conversations on Lazada — including sending and retriev...19.7AblyA hosted realtime platform offering Pub/Sub Channels, Chat, Spaces, LiveObjects, LiveSync, and AI Transport...17.0PubNubA realtime platform offering Pub/Sub messaging, Presence detection, Chat SDKs, Functions (serverless), Even...17.0Llama APIMeta's hosted REST API providing access to Llama large language models for chat completions, text generatio...16.2Microsoft Teams APIBuild apps and bots for Microsoft Teams collaboration platform.16.2Tabnine IDE PluginsVS Code, JetBrains (IntelliJ, PhpStorm, etc.), and Eclipse plugins surfacing autocomplete, chat, and agenti...14.5HTS Assist (Agentic AI Customer Service)Agentic AI built specifically for airline and travel customer service, delivering end-to-end autonomous res...14.4Adept Persimmon-8B Chat ModelOpen-source chat-tuned variant of Persimmon-8B. Self-hosted only - no managed API.13.1Codeium / Windsurf PluginsIDE plugins (VS Code, JetBrains, Vim, Emacs, Visual Studio, Sublime Text, etc.) surfacing autocomplete, cha...12.4
Minimal 1 Almost no public developer surface
OctoAI Text Gen Inference APIOpenAI-compatible chat and text-completion endpoints serving open-source LLMs including Llama 2, Llama 3, M...8.2

Score breakdown

Frequency
72.5
log-scaled weighted occurrences
Breadth
6.4
spread across providers
Quality lift
47.6
mean composite of providers using it
Cohesion
23.1
strength of nearest seed neighbor

Related tags

Models 73 co-occurrences Embeddings 46 co-occurrences LLM 65 co-occurrences Completions 33 co-occurrences Inference 42 co-occurrences OpenAI-Compatible 28 co-occurrences Messaging 63 co-occurrences Message 37 co-occurrences

Where this tag comes from

Api tag221
Provider tag63
Openapi tag121
Openapi op tag351

Cohort brief

Auto-generated

The 235 providers in the APIs.io catalog tagged Chat, scored on the Kin Score. Every figure below is computed from the catalog — nothing here is written.

Providers
235
all scored
Mean Kin Score
39.1
+18.4 vs catalog 20.7
Mean Agent Readiness
23.8
+14.1 vs catalog 9.7
Spread
5–79.6
median 38.9 · σ 13.9
How the 235 split by band
Exemplar 7Strong 21Developing 88Thin 86Emerging 23Minimal 10
Facet averages, against the whole catalog
FacetThis cohortCatalogDifferenceScored
Contract Quality 47 17.5 +29.5 235
Developer Ergonomics 37.4 17.9 +19.5 235
Operational Transparency 26.6 11.3 +15.3 235
Access Clarity 37.4 22.3 +15.1 235
Discoverability 72 60.4 +11.6 235
Contract Governance 12.5 6.4 +6.1 235

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) 32% 16% +16
MCP server (first-party) 12% 7% +5
Agent Skills 0% 0% 0
OAuth scopes 20% 9% +11
Security 99% 88% +11
Arazzo workflows 9% 2% +7
Governance rules 38% 13% +25

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 Regal 79.6
  2. 2 Vessel 72.1
  3. 3 Knock 71.9
  4. 4 NVIDIA NIM 71.2
  5. 5 Facebook Business Manager 68.6
  6. 6 8x8 67.1
  7. 7 Novu 66.6
  8. 8 Chili Piper 65.5
  9. 9 OpenAI 64.2
  10. 10 Cerebras Systems 63.8
Top by Agent Readiness
  1. 1 GC AI 58.8
  2. 2 Knock 58.6
  3. 3 Genesys 55.1
  4. 4 Twitter/X 50.6
  5. 5 Microsoft Azure 49.6
  6. 6 Fullcast 48.6
  7. 7 Chili Piper 47.1
  8. 8 H2O.ai 46.9
  9. 9 Regal 46.8
  10. 10 Aquant 46.4
All 235 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.

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

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no email required.

GitHub Google LinkedIn

A second provider on the same verified email joins the account you already have.