established · 0.0 market domain

Chat

Score 30.2 / 100 63 providers +169 via APIs 213 APIs Search apis.io →
Variants seen in the corpus: Chatchat

Providers using this tag (63)

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

Exemplar 3 Complete, well-documented, and agent-ready
RegalArtificial IntelligenceAI AgentsVoice AIContact Center6 APIs77.1KnockNotificationMessagingInfrastructureWorkflows13 APIs71.6NovuNotificationMessagingIn-AppEmail1 API71.1
Strong 5 Solid coverage with minor gaps
SlackBotsCollaborationMessaging32 APIs65.6VesselCRMDialerEmbedded Integrations20 APIs64.0GladlyCustomer ServiceCXContact CenterAI Customer Service1 API62.7ZendeskCRMHelp CenterSell76 APIs61.1Amazon ConnectContact CenterCustomer ServiceVoice22 APIs54.8
Developing 20 Usable, with meaningful gaps to close
Microsoft TeamsCollaborationCommunicationsMicrosoft-36511 APIs54.0ZoomCollaborationCommunicationsMeetings12 APIs53.3ZenZapCompanyAi MlMessagingTeam Communication1 API52.3HipChatMessagingCollaborationTeam Communication2 APIs51.3StreamMessagingActivity FeedsVideo1 API50.9NetomiCompanyArtificial IntelligenceAgentic AICustomer Experience1 API49.3Anthropic ClaudeArtificial IntelligenceLarge Language ModelsLLMGenerative AI1 API48.8DixaCustomer ServiceConversationalOmnichannelCX1 API48.0TelegramBotsMessagingNotification1 API46.8DiscordCommunicationsGamingMessaging3 APIs46.0Zoho CliqMessagingTeam CollaborationBots22 APIs45.7BeeperCompanyConsumerMessaging1 API45.1Google ChatCollaborationGoogleGoogle Workspace1 API44.7ConversicaCompanyArtificial IntelligenceConversational AIAI Agents1 API44.2AblyReal-TimeWebSocketsPub-SubMessaging2 APIs43.2TalkJSMessagingCommunicationsSDK1 API43.2ShapesCompanyArtificial IntelligenceAI Agents1 API42.9DeepSeekArtificial IntelligenceChat CompletionLLM4 APIs41.4CircleCommunityCreatorsCoursesMemberships1 API40.0HighriseCompanyVirtual WorldMetaverseSocial1 API39.3
Thin 17 Limited public surface area
RainbowCommunicationsCPaaSVoice3 APIs39.2CometChatMessagingVoiceVideo1 API38.4WazoTelephonyVoIPUnified CommunicationsUCaaS25 APIs38.2BotpressArtificial IntelligenceConversationalOpen-Source1 API37.2RestreamBroadcastContent DeliveryLive Streaming1 API36.3OndemandCompanyArtificial IntelligenceMachine-LearningRAG1 API35.9SynapseCollaborationDecentralizedFederation1 API35.9LiveLikeCompanyFan EngagementLive StreamingInteractive Video1 API35.2VoiceflowArtificial IntelligenceConversationalVoice1 API35.2CometAPIArtificial IntelligenceAggregatorAudio1 API34.0PubNubReal-TimeWebSocketsPub-SubIoT2 APIs33.9GroupMeCompanyConsumerMessaging1 API33.8Here Not There LabsCompanyMessagingDecentralizedWeb31 API32.8AgoraReal-Time EngagementVoiceVideoSignaling11 APIs30.6GleanAgentsArtificial IntelligenceAnswers1 API29.1ChatworkMessagingCollaborationProductivity1 API26.7OnymosFeatures as a ServiceSDKApplication DevelopmentMobile1 API26.2
Emerging 9 Early or largely undocumented
Tlon CorporationCompanyMessagingSocialUrbit1 API25.0YaloCompanyArtificial IntelligenceConversational CommerceWhatsApp25.0SierraAgentsArtificial IntelligenceConversational AI1 API23.6DecagonAgentsArtificial IntelligenceConversational AI1 API21.7LivePersonConversational AICustomer EngagementMessagingContact Center9 APIs19.8WolfCompanyStaffingGig EconomyWorkforce Management1 API18.0YampaCompanyAi MlAI AgentsCustomer Service15.7Robylon AICustomer-SupportAI AgentsConversational AIVoice1 API14.3CarNowCompanyAutomotiveDigital RetailDealerships13.3
Minimal 9 Almost no public developer surface
DisczCompanyConsumerMusicMusic Discovery10.5KikiCompanySocialDating10.2C2MCompanySocialMessaging9.2chatousCompanyMessagingSocial9.2KikCompanySocial-MediaMessaging9.2LiveprofileCompanyMessagingCommunications6.4DazeCompanyMessagingSocial6.0OnceCompanyConsumerDatingSocial5.5Insent.aiCompanyConversational MarketingSales Engagement5.0

APIs with this tag (213)

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 11 Complete, well-documented, and agent-ready
OpenAI Chat APIGiven a list of messages comprising a conversation, the model will return a response.82.9OpenAI Chatkit APIThe Chatkit API from OpenAI — 5 operation(s) for chatkit.82.9Treasure Data Chat APIThe Chat API from Treasure Data — 5 operation(s) for chat.74.3Microsoft Azure Communication Services APIAzure Communication Services provides multichannel communication APIs that enable developers to add voice, ...73.3instacart Chat APIEndpoints for shopper-customer communication including sending and retrieving chat messages.70.58x8 Chat APISend and receive public Chat Room messages70.3Service Cloud Live Agent APIReal-time chat with customers over the Live Agent REST surface. Superseded for new builds by Messaging for ...68.6X Chat APIEndpoints related to Chat encrypted messaging — 16 operation(s) in the X-published contract.68.5NVIDIA NIM Chat APIOpenAI-compatible chat completion operations68.3TextQL Platform API (v1)The first-generation TextQL Platform API, exposed as Connect-RPC over HTTP POST. Documented as deprecated i...66.6TextQL v2 APIThe REST-native second generation of the TextQL Platform API. Standard HTTP methods, resource IDs in the pa...66.6
Strong 45 Solid coverage with minor gaps
Facebook Messenger Platform APIBuild conversational experiences on the Messenger platform. The Messenger Platform API enables businesses t...65.7Slack Chat APIThe Chat API from Slack — 10 operation(s) for chat.65.6AIMLAPI Chat APIThe Chat API from AIMLAPI — 1 operation(s) for chat.65.5AIMLAPI Inference APIAI/ML API's own published OpenAPI, served from the API host at https://api.aimlapi.com/docs-yaml and render...65.5GitHub Copilot Chat APIAPI for GitHub Copilot Chat interactions and conversations.64.1Dify Chat Messages APIOperations related to chat messages and interactions. 3 operation(s) from the Dify Service API.64.0Chili Piper Chat APIThe chat API from Chili Piper — 1 operation(s) for chat.63.1Dotdigital Chat APIThe Chat API from Dotdigital — 2 operation(s) for chat.62.8Gladly Chat SDKJavaScript chat widget loaded from the Gladly CDN. Exposes `Gladly.init`, `show`, `close`, `setUser`, `star...62.7Gladly Sidekick Android SDKKotlin SDK (Android Q / API 29+) for embedding the Gladly Sidekick chat experience in Android apps. Provide...62.7Gladly Sidekick iOS SDKSwift SDK (v1.2.5, iOS 11+) for embedding the Gladly Sidekick chat experience in iOS apps. Ships `Gladly`, ...62.7Structify chat APIChat session management endpoints61.2Taskfolk Chat APIThe Chat API from Taskfolk — 9 operation(s) for chat.61.1Zendesk Chat Accounts APIThe Zendesk Chat Accounts API lets you get or set account information for your Zendesk Chat instance. If yo...61.1Zendesk Chat Agents APIThe Zendesk Chat Agents API lets you get or set agent information for your Zendesk Chat instance. If you cr...61.1Zendesk Chat Bans APIThe Zendesk Chat Bans API lets you manage banned visitors in your Chat account. You can list banned visitor...61.1Zendesk Chat Chats APIThe Zendesk Chat Chats API provides access to individual chat records with information including agent IDs,...61.1Zendesk Chat Conversations APIThe Zendesk Chat Conversations API lets your application act as a Zendesk Chat agent and interact with cust...61.1Zendesk Chat Departments APIThe Zendesk Chat Departments API lets you get or set department information for your Chat instance. Departm...61.1Zendesk Chat Goals APIThe Zendesk Chat Goals API lets you manage conversion goals for your Chat account. Goals track specific vis...61.1Zendesk Chat Roles APIThe Zendesk Chat Roles API lets you manage agent roles and permissions within your Chat account. You can re...61.1Zendesk Chat Routing Settings APIThe Zendesk Chat Routing Settings API lets you get or modify chat routing settings for your account. It con...61.1Zendesk Chat Shortcuts APIThe Zendesk Chat Shortcuts API lets you manage canned responses that agents can use during live chat conver...61.1Zendesk Chat Skills APIThe Zendesk Chat Skills API lets you manage skills used for routing chats to qualified agents. You can get ...61.1Zendesk Chat Triggers APIThe Zendesk Chat Triggers API lets you manage proactive chat triggers that automatically engage visitors ba...61.1Zendesk Chat Visitors APIThe Zendesk Chat Visitors API lets you get or set visitor information for your Zendesk Chat instance. Visit...61.1Zendesk Real-Time Chat APIThe Zendesk Real-Time Chat API provides streaming access to real-time chat metrics and activity data. It en...61.1Hugging Face Chat APIOpenAI-compatible chat completion endpoints61.0Cerebras Systems Chat APIThe Chat API from Cerebras Systems — 1 operation(s) for chat.60.4Microsoft Chat APIManage chat threads and messages60.4AI for Database Chat APISend natural-language messages and receive AI-generated SQL and insights60.3LlamaParse Chat APIThe Chat API from LlamaParse — 4 operation(s) for chat.60.3Twitter/X Chat APIThe Chat API from Twitter/X — 16 operation(s) for chat.59.1Synthflow Chat APIThe chat API from Synthflow — 4 operation(s) for chat.58.9Edgee Chat APIChat completion endpoints (OpenAI format)58.1Genesys Chat APIThe Chat API from Genesys — 22 operation(s) for chat.58.1Amazon Q Developer in Chat Applications APIAPI for Amazon Q Developer in chat applications, which enables integration of Amazon Q Developer capabiliti...57.6Pomo Chat APIThe chat API from Pomo — 5 operation(s) for chat.57.4X (Twitter) Chat APIThe Chat API from X (Twitter) — 15 operation(s) for chat.57.0TritonAI Developer API — chatChat completion endpoints on the OpenAI-compatible LLM gateway UC San Diego operates for approved campus fa...56.9RingCentral Team Messaging APIThe RingCentral Team Messaging API enables developers to build chatbots, send notifications, and create add...56.3Vercel Chat APIChat completions (OpenAI-compatible)56.1Amazon Connect Participant Service APIThe Amazon Connect Participant Service enables managing chat participants including agents, customers, and ...54.8Kore.ai Chat APIThe Chat API from Kore.ai — 5 operation(s) for chat.54.7Vectara Chat APIMulti-turn conversational interface over a Vectara corpus that maintains chat history and produces grounded...54.3
Developing 73 Usable, with meaningful gaps to close
Zoom Chat APIThe Chat API from Zoom — 2 operation(s) for chat.53.3Zoom Team Chat APIThe Zoom Team Chat API enables developers to integrate messaging into applications and automate workflows w...53.3RightNow AI Chat APIThe Chat API from RightNow AI — 1 operation(s) for chat.53.1Ondo Finance Chat APIThe Chat API from Ondo Finance — 1 operation(s) for chat.52.8Avito Chat APIThe Chat API from Avito — 4 operation(s) for chat.52.5Mistral AI Chat APIChat completion operations52.3D-ID Chat APISend messages and receive responses in an agent chat52.0Teams APIAPI for integrating with Microsoft Teams, including messaging, channels, and collaboration features.51.8GC AI Chat APIAI chat completion endpoints51.4Microsoft Copilot Chat APIProgrammatically start and continue conversations with Microsoft 365 Copilot using enterprise search and we...51.4HipChat REST API v2The HipChat REST API v2 was the primary developer surface for the team chat platform, exposing rooms, users...51.3HipChat Webhooks APIEvent-driven webhook delivery from HipChat rooms. Webhooks could be registered via the REST API or declared...51.3Twitch Chat APIManage chat settings, emotes, badges, and announcements51.2Twitch Embed APIAPIs for embedding Twitch live streams, video on demand, clips, and chat into external websites.51.2H2O.ai Chat APIThe Chat API from H2O.ai — 29 operation(s) for chat.50.9Parasail Chat APIChat completions for conversational LLM workloads.50.9Google Chat APIBuild bots and integrations for Google Chat.50.6Inception Chat APIChat completion endpoints (OpenAI-compatible).50.5Letta Chat APIChat operations.50.3TrueFoundry Chat APIChat completion operations for LLM conversation50.3Altimate AI Chat APIThe Chat API from Altimate AI — 1 operation(s) for chat.50.2Bifrost Chat APIChat completions compatible with OpenAI chat API50.2Portkey Chat APIGiven a list of messages comprising a conversation, the model will return a response.50.0Lambda Inference APILambda Inference API is an OpenAI-compatible REST gateway at https://api.lambda.ai/v1 that serves hosted op...49.5Google Chat APIThe Google Chat API enables developers to build Chat apps that bring services and resources into Google Cha...48.4OpenRouter Chat APIChat completion endpoints (OpenAI-compatible).48.4ZotGPT (UC Irvine) Chat APIOpenAI-compatible chat completions.48.4Sarvam chat APIThe chat API from Sarvam — 1 operation(s) for chat.47.4Azure OpenAI Service Chat APIThe Chat API from Azure OpenAI Service — 1 operation(s) for chat.47.0Unisound Shanhai (UniGPT) LLM WebAPIREST chat-completions WebAPI for the Shanhai (山海 / UniGPT) large language model on the Unisound AI Open Pla...47.0StackOne Unified Messaging APIStackOne Unified Messaging API standardizes communication workflows across platforms, with consistent data ...46.9Epic Online Services Voice APIThe EOS Voice Interface delivers in-game voice chat using Vivox backend infrastructure, with positional aud...46.8Interfaze Chat APIThe Chat API from Interfaze — 1 operation(s) for chat.46.8Help Scout Chat APIRead and write live chat conversations and messages alongside the email Mailbox API for unified ticketing.46.7Langdock Chat APIThe Chat API from Langdock — 1 operation(s) for chat.46.1Trieve Topic APITopics persist conversational state for generative-AI chat sessions backed by a Trieve dataset.45.3Arize Phoenix chat APIThe chat API from Arize Phoenix — 2 operation(s) for chat.45.1Unity Vivox Voice and Text Chat APIVivox in-game voice and text chat with moderation, channel management, and recordings. The Moderation REST ...45.0RouterPlex Chat APIThe Chat API from RouterPlex — 1 operation(s) for chat.44.5StakPak Chat APIThe Chat API from StakPak — 2 operation(s) for chat.44.5Kumospace Chat APIThe Chat API from Kumospace — 8 operation(s) for chat.44.4Nakama Realtime Socket APIPersistent WebSocket connection carrying realtime features - status presence, realtime chat channels, relay...44.1Envoy Chat APIChat completions endpoints compatible with the OpenAI Chat API. Routes requests to configured AI backends b...44.0Kortext Chat APIThe Chat API from Kortext — 31 operation(s) for chat.43.7Quora Chat APIOpenAI-compatible chat completion endpoints.43.7Voyant.io Chat APIBrand-aware AI chat43.7Inkeep Chat APIOpenAI-compatible RAG chat completions over your content.43.6OpenAI APIs Chat APIChat completion operations43.5Deeptrace Chat APIAI-powered conversational interface over your production systems.43.3FlexAI Chat APIChat completions43.3AI21 Jamba Chat Completions APIConversational completions endpoint backed by the Jamba family of hybrid Mamba/Transformer models (Jamba 1....43.1AI21 Labs Chat APIThe Chat API from AI21 Labs — 1 operation(s) for chat.43.1Requesty Chat APIOpenAI-compatible chat completions routed across providers.42.9Shapes Chat APIThe Chat API from Shapes — 1 operation(s) for chat.42.9Zoca Chat APIThe Chat API from Zoca — 17 operation(s) for chat.42.8Arcee AI Chat APIThe Chat API from Arcee AI — 12 operation(s) for chat.42.3Fanar APIFanar is Qatar's Arabic generative-AI platform, developed by the Qatar Computing Research Institute at Hama...42.3Happyrobot Chat APIThe Chat API from Happyrobot — 7 operation(s) for chat.42.3Featherless AI Chat APIOpenAI-compatible chat completions.42.2Sarvam AI Chat APIThe Chat API from Sarvam AI — 1 operation(s) for chat.42.1Chutes Chat APIOpenAI-compatible chat completions.41.9LangDB Chat APIOpenAI-compatible chat completions and model routing.41.8Langflow Chat APIThe Chat API from Langflow — 6 operation(s) for chat.41.7DeepSeek Chat APIThe Chat API from DeepSeek — 1 operation(s) for chat.41.4kapa.ai Chat APIAsk questions and create threads.41.3SUTRA (Two AI) Chat APIOpenAI-compatible chat completions across SUTRA models.41.3CentML Chat APIThe Chat API from CentML — 1 operation(s) for chat.40.9WanAPIs Chat APIChat completion endpoints (OpenAI Chat Completions compatible).40.9Gist Chat APIThe Chat API from Gist — 5 operation(s) for chat.40.4Nscale Chat APIOpenAI-compatible chat completions.40.4Hevn Inc Chat APIThe Chat API from Hevn Inc — 8 operation(s) for chat.40.1Circle Realtime WebSocket APIBeta ActionCable (Rails) WebSocket surface for realtime chat and notifications, connected at wss://app.circ...40.0Targon Chat APIOpenAI-compatible chat completions.39.3
Thin 70 Limited public surface area
Ollama Anthropic Compatibility APIOllama provides compatibility with the Anthropic Messages API, enabling tools like Claude Code to work with...39.2Ollama Chat APIGenerate chat completions with multi-turn conversation support.39.2Ollama OpenAI Compatibility APIOllama provides compatibility with parts of the OpenAI API, allowing existing applications built for OpenAI...39.2nexos.ai Chat APIGenerate a response from conversation messages.39.1Chatbase Chat APIMessage an agent and receive a response, with optional streaming.39.0.txt chat APICreate model responses for chat conversations. Supports: - **Multi-turn dialogue** with conversation histor...38.5ProRata.ai Chat APIThe Chat API from ProRata.ai — 5 operation(s) for chat.38.5Unisson chat APIThe chat API from Unisson — 18 operation(s) for chat.38.4AI Gateway Chat APIThe Chat API from AI Gateway — 1 operation(s) for chat.38.1Mendable Chat APIAsk grounded questions over ingested content.38.1Reka Chat APIChat completions with the Reka model family.38.1Xiaomi Chat APIThe Chat API from Xiaomi — 1 operation(s) for chat.38.1glhf Chat APIThe Chat API from glhf — 1 operation(s) for chat.38.0Botpress Chat APIWebhook-based REST API for sending and receiving chat messages with deployed Botpress bots. Endpoint patter...37.2Secton API Chat APIThe Chat API from Secton API — 1 operation(s) for chat.37.2Webex Meeting Chats APIRetrieve chat transcripts from completed Webex meetings for compliance and post-meeting reporting.37.1Poolside chat APIThe chat API from Poolside — 2 operation(s) for chat.37.0CloudQuery chat APIThe chat API from CloudQuery — 7 operation(s) for chat.36.7Inthegame chat APIThe chat API from Inthegame — 3 operation(s) for chat.36.5Kimi (Moonshot AI) Chat APIThe Chat API from Kimi (Moonshot AI) — 1 operation(s) for chat.36.5Overshoot Chat APIThe Chat API from Overshoot — 1 operation(s) for chat.36.5Tabby Chat APIOpenAI-compatible chat completions and inline chat / Answer Engine.36.5Moonshot AI Chat APIThe Chat API from Moonshot AI — 1 operation(s) for chat.36.3Restream Chat APIWebSocket API for accessing and managing Restream Chat. Receive real-time chat messages from all connected ...36.3Together AI Chat APIThe Chat API from Together AI — 1 operation(s) for chat.36.1Mindlogic Chat APIThe Chat API from Mindlogic — 1 operation(s) for chat.36.0Databook Chat APIThe chat API from Databook — 1 operation(s) for chat.35.9Ondemand Chat APIThe Chat API from Ondemand — 7 operation(s) for chat.35.9Telnyx Chat APIGenerate text with LLMs35.6LiveLike REST APIREST API for managing LiveLike applications, user profiles, programs, interactive widgets (polls, quizzes, ...35.2Photon Chat APIA separately billed Photon Cloud service (its own AppId type) for text messaging, presence, and friend list...35.2Microsoft Teams APIIntegrate with Microsoft Teams for chat, channels, meetings, and collaboration.34.6Cohere Chat APIThe Cohere Chat API enables developers to integrate large language model text generation capabilities into ...34.5overshoot.ai Chat APIThe Chat API from overshoot.ai — 1 operation(s) for chat.34.4Groq Chat APIThe Chat API from Groq — 1 operation(s) for chat.34.3CometAPI Chat APIChat completions across LLM providers.34.0GroupMe API v3REST + JSON API for GroupMe groups, memberships, messages, chats, likes, blocks, users, and bots, plus a Ba...33.8Fireworks AI Chat APIThe Chat API from Fireworks AI — 1 operation(s) for chat.33.6Recursal AI, Inc. Chat APIOpenAI-compatible chat and text completion generation33.5Maia-analytics chat APIThe chat API from Maia-analytics — 8 operation(s) for chat.33.4Revert Chat APIUnified chat operations across Slack, Microsoft Teams, and Discord33.4DecisionLink Chat APIThe chat API from DecisionLink — 10 operation(s) for chat.33.301.AI Chat APIOpenAI-compatible chat completions for Yi text and vision models.33.2DeepInfra Chat APIThe Chat API from DeepInfra — 1 operation(s) for chat.33.2LiteLLM Chat APIThe Chat API from LiteLLM — 1 operation(s) for chat.33.0Qwen Chat APIThe Chat API from Qwen — 1 operation(s) for chat.32.8SiliconFlow Chat APIThe Chat API from SiliconFlow — 1 operation(s) for chat.32.7osmAPI Chat APIThe Chat API from osmAPI — 1 operation(s) for chat.32.4HTS Assist (Agentic AI Customer Service)Agentic AI built specifically for airline and travel customer service, delivering end-to-end autonomous res...31.7Agora Chat APIThe Agora Chat API provides scalable in-app messaging with one-to-one chat, group chat, chat rooms, threads...30.6Landbot APIchatAPI for embedding and interacting with Landbot chat sessions programmatically, enabling developers to drive...30.6Olark Chat APIChat conversation and operator control30.5Glama Chat and PlaygroundAll-in-one AI workspace that chats with any MCP server the user owns, routed through the Glama Gateway so e...30.3ByteDance Doubao Chat APIThe Chat API from ByteDance Doubao — 1 operation(s) for chat.30.2Hyperbolic Chat APIThe Chat API from Hyperbolic — 1 operation(s) for chat.30.0Flowdock (Discontinued) Chat APIChat-style messages posted as an external user.29.6Glean chat APIThe chat API from Glean — 8 operation(s) for chat.29.1Picker chat APIThe chat API from Picker — 2 operation(s) for chat.28.9Wombo Chat APIText and vision-language chat completions28.8Open WebUI APIREST API exposed by a self-hosted Open WebUI instance. Endpoints cover chat completions (proxying upstream ...28.6Open WebUI Chat APIThe Chat API from Open WebUI — 1 operation(s) for chat.28.6vLLM Chat APIOpenAI-compatible chat completions28.4vLLM OpenAI-Compatible ServerOpenAI-compatible REST API exposed by `vllm serve`. Endpoints include /v1/chat/completions, /v1/completions...28.4Inflection AI Chat APIThe Chat API from Inflection AI — 2 operation(s) for chat.28.2OpenPipe Chat APIThe Chat API from OpenPipe — 1 operation(s) for chat.28.2dottxt Chat APIOpenAI-compatible chat completions with structured output.27.9Aider Chat APIAider Commands That Manage the Chat Session and History.27.3LM Studio Chat APINative LM Studio chat inference with generation stats.26.8Proompty Chat APIThe Chat API from Proompty — 1 operation(s) for chat.26.4KAITO Chat APIOpenAI-compatible chat completions grounded in RAG indexes.26.2
Emerging 13 Early or largely undocumented
AblyA hosted realtime platform offering Pub/Sub Channels, Chat, Spaces, LiveObjects, LiveSync, and AI Transport...25.0PubNubA realtime platform offering Pub/Sub messaging, Presence detection, Chat SDKs, Functions (serverless), Even...25.0Azure Communication ServicesAzure Communication Services (successor to Skype developer APIs) provides cloud-based communication APIs fo...24.8Ema Builder Platform APIProgrammatic access to Ema AI Employees. REST (HTTP/JSON) quickstart plus a gRPC-Web path for advanced endp...24.7Gradient Chat APIChat completion24.3TruVideo Chat APIThe Chat API from TruVideo — 4 operation(s) for chat.24.3Superpower AI Health ChatSuperpowerAI chat assistant that lets members explore their lab data and protocols with clinical context. A...23.0Lazada Chat (IM) APIBidirectional buyer-seller messaging API for in-app conversations on Lazada — including sending and retriev...19.7Nous Research Chat APIOpenAI-compatible chat completions.19.2Llama APIMeta's hosted REST API providing access to Llama large language models for chat completions, text generatio...16.2Adept Persimmon-8B Chat ModelOpen-source chat-tuned variant of Persimmon-8B. Self-hosted only - no managed API.15.0Tabnine IDE PluginsVS Code, JetBrains (IntelliJ, PhpStorm, etc.), and Eclipse plugins surfacing autocomplete, chat, and agenti...14.5Codeium / 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

Companies reaching this through an API (169)

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

.txt 01.AI 8x8 Adept AI for Database AI Gateway AI21 Labs Aider AIMLAPI Altimate AI Amazon Q Arcee AI Arize Phoenix Avito Azure OpenAI Service Bifrost ByteDance Doubao CentML Cerebras Systems Chatbase Chili Piper Chutes Cisco Webex Meetings CloudQuery Codeium Cohere D-ID Databook DecisionLink DeepInfra Deeptrace Dify Dotdigital dottxt Edgee Ema Envoy Epic Games Facebook Business Manager Featherless AI Fireworks AI FlexAI Flowdock (Discontinued) GC AI Genesys Gist GitHub Copilot Glama glhf Google
Show all 169 companies ↓
Google Workspace Gradient Groq H2O.ai Hamad Bin Khalifa University Happyrobot Help Scout Hevn Inc Hopper Hugging Face Hyperbolic Inception Inflection AI Inkeep Instacart Interfaze Inthegame KAITO kapa.ai Kimi (Moonshot AI) Kore.ai Kortext Kumospace Lambda Landbot LangDB Langdock Langflow Lazada Letta LiteLLM Llama LlamaParse LM Studio Maia-analytics Mendable Microsoft Microsoft Azure Microsoft Copilot Microsoft Office Microsoft Skype Mindlogic Mistral AI Moonshot AI Nakama nexos.ai Nous Research Nscale NVIDIA NIM OctoAI Office 365 Olark Ollama Ondo Finance Open WebUI OpenAI OpenAI APIs OpenPipe OpenRouter osmAPI Overshoot overshoot.ai Parasail Photon Engine Picker Pomo Poolside Portkey Proompty ProRata.ai Quora Qwen Realtime Recursal AI, Inc. Reka Requesty Revert RightNow AI RingCentral RouterPlex Salesforce Service Cloud APIs Sarvam Sarvam AI Secton API SiliconFlow StackOne StakPak Structify Superpower SUTRA (Two AI) Synthflow Tabby Tabnine Targon Taskfolk Telnyx TextQL Together AI Treasure Data Trieve TrueFoundry TruVideo Twitch Twitter/X Unisound Unisson Unity University of California, San Diego Vectara Vercel vLLM Voyant.io WanAPIs Wombo X X (Twitter) Xiaomi Zoca ZotGPT (UC Irvine)

Score breakdown

Frequency
73.1
log-scaled weighted occurrences
Breadth
1.7
spread across providers
Quality lift
41.1
mean composite of providers using it
Cohesion
22.0
strength of nearest seed neighbor

Related tags

Models 71 co-occurrences Embeddings 44 co-occurrences LLM 64 co-occurrences Completions 32 co-occurrences Inference 41 co-occurrences Messaging 56 co-occurrences OpenAI-Compatible 24 co-occurrences Message 38 co-occurrences

Where this tag comes from

Api tag214
Provider tag63
Openapi tag132
Openapi op tag476

Cohort brief

Auto-generated

The 63 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
63
all scored
Mean Kin Score
36.3
+12.4 vs catalog 23.9
Mean Agent Readiness
21.2
+9.2 vs catalog 12
Spread
5–77.1
median 37.2 · σ 17.9
How the 63 split by band
Exemplar 3Strong 5Developing 20Thin 17Emerging 9Minimal 9
Facet averages, against the whole catalog
FacetThis cohortCatalogDifferenceScored
Contract Quality 38.5 19.8 +18.7 63
Developer Ergonomics 38.8 23.4 +15.4 63
Operational Transparency 25 14 +11 63
Access Clarity 35.6 26.5 +9.1 63
Discoverability 67.2 61.2 +6 63
Contract Governance 11.5 6.4 +5.1 63

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) 14% 10% +4
MCP server (first-party) 24% 13% +11
Agent Skills 0% 0% 0
OAuth scopes 16% 11% +5
Security 98% 97% +1
Arazzo workflows 11% 2% +9
Governance rules 41% 14% +27

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 77.1
  2. 2 Knock 71.6
  3. 3 Novu 71.1
  4. 4 Slack 65.6
  5. 5 Vessel 64
  6. 6 Gladly 62.7
  7. 7 Zendesk 61.1
  8. 8 Amazon Connect 54.8
  9. 9 Microsoft Teams 54
  10. 10 Zoom 53.3
Top by Agent Readiness
  1. 1 Knock 58.6
  2. 2 Regal 52
  3. 3 Novu 44.5
  4. 4 Zoom 42.7
  5. 5 ZenZap 39
  6. 6 Amazon Connect 37.1
  7. 7 Zendesk 35.9
  8. 8 Ondemand 35.8
  9. 9 Wazo 35
  10. 10 Gladly 34.9
All 63 members of this roster resolve to a scored provider in the catalog.Generated from the catalog build of 15 September 2026, across 27661 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

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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.

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