established · 2.8 market

Conversational AI

Score 27.1 / 100 217 providers 49 APIs Search apis.io →

Variants seen in the corpus: Conversational AIconversational AIconversational-ai

Providers using this tag (217)

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

Exemplar 5 Complete, well-documented, and agent-ready

SalesforceFortune 500Artificial IntelligenceAnalyticsCloud294 APIs83.3 AdaArtificial IntelligenceCustomer ServiceChatbotsAutomation14 APIs75.7 VapiArtificial IntelligenceVoice AIVoice Agents15 APIs75.1 Boom AiCompanyArtificial IntelligenceCustomer Engagement10 APIs73.0 Inworld AIArtificial IntelligenceVoiceText-to-SpeechSpeech-to-Text7 APIs66.7

Strong 17 Solid coverage with minor gaps

Developing 53 Usable, with meaningful gaps to close

Thin 39 Limited public surface area

Emerging 61 Early or largely undocumented

Minimal 42 Almost no public developer surface

APIs with this tag (49)

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 1 Complete, well-documented, and agent-ready

Salesforce Agentforce Agent APIThe Salesforce Agentforce Agent API is a REST API that enables developers to communicate with AI agents dir...83.3

Strong 4 Solid coverage with minor gaps

ServiceNow Virtual Agent Bot Integration APIThe ServiceNow Virtual Agent Bot Integration API provides REST endpoints for integrating external messaging...64.8 GitHub Copilot Chat APIAPI for GitHub Copilot Chat interactions and conversations.63.7 ChatGPT APIAPI for accessing OpenAI's ChatGPT language models for chat completions and conversations.59.8 OpenAI Responses APIThe Responses API is OpenAI's recommended API primitive for new projects, an evolution of Chat Completions ...59.8

Developing 16 Usable, with meaningful gaps to close

Oracle Digital Assistant REST APIREST APIs for managing Oracle Digital Assistant instances, skills, digital assistants, channels, conversati...53.0 Microsoft Teams Bot Framework APIAPI for building conversational bots that interact with users in Microsoft Teams through the Bot Framework.52.9 Microsoft Copilot Studio API (formerly Power Virtual Agents)API for building, managing, and deploying AI agents and conversational chatbots. Power Virtual Agents has b...52.7 Replicant Outbound APIPlaces outbound AI voice calls and SMS messages through Replicant against a pre-configured campaign, and no...52.6 Deepgram Voice Agent APIThe Deepgram Voice Agent API is an end-to-end solution that combines speech-to-text, LLM orchestration, and...49.2 Tadeus Integration APIREST API to create interview templates and campaigns, invite participants singly or in bulk, create anonymo...49.1 Phonely Agents APIManage Phonely voice agents programmatically. Retrieve a single agent or list all agents for a user, and up...48.7 Netomi Platform APIThe Netomi backend service that fronts the Agentic OS for CX. It backs the first-party mobile Chat SDKs (se...47.8 Neuphonic Agent APIREST API for creating and managing conversational AI voice agents. Agents combine Neuphonic TTS with GPT-4o...47.8 Cognigy.AI APIThe Cognigy.AI REST API for managing AI Agents throughout their lifecycle — deployment and snapshots, flow ...47.5 Conversica Integrations APIJSON-over-HTTPS integration surface for the Conversica Platform. A customer system posts Lead objects to a ...46.6 Khoros Flow APIsKhoros Flow developer APIs for building conversational bots and custom chat clients — the Flow Socket API (...44.2 Happyrobot Public APIThe current Happyrobot Public API (v2) — 205 operations over 162 paths, described by a live OpenAPI 3.0.3 d...43.5 Smallest AI Atoms (Voice Agents)The Atoms platform for building, testing, and deploying production voice agents - orchestrating Waves TTS a...43.1 Moonscale APIThe Moonscale API covers two surfaces. The live-avatar surface creates single-participant meeting rooms hos...41.0 Tavus APIThe Tavus REST API powers personalized video generation and real-time Conversational Video Interface sessio...40.1

Thin 13 Limited public surface area

Teads In-Chat APIV2.0 REST API that lets chatbot and LLM publishers programmatically retrieve contextually relevant sponsore...37.9 PlayAI Voice Agents APIThe PlayAI Voice Agents API lets developers create, configure, and run conversational AI agents that proces...37.7 Lua Agent HTTP APIConsume a deployed Lua agent directly over HTTP — single-shot generation or real-time SSE streaming — with ...37.5 Docket Demand MCPDocket's hosted, read-only remote Model Context Protocol server. It exposes Demand Capture Agents and their...37.1 Copilot Studio Direct Line APIThe Copilot Studio Direct Line API enables custom applications to communicate with bots built in Microsoft ...36.2 PolyAI Platform APIBuild, run and observe PolyAI voice and chat agents from your own systems. Three REST API families (Agents,...35.8 Cohere Chat APIThe Cohere Chat API enables developers to integrate large language model text generation capabilities into ...33.5 Mistral AI Chat APIChat completion API for conversational AI using Mistral's language models, with function calling, streaming...33.5 Xfactor.io Value Chat APIThe Growth AI conversational service — chat sessions and history, prompt management, file upload, feedback,...33.0 Cresta Platform APICresta's production API host. https://api.cresta.com resolves and answers anonymously with a gRPC-JSON tran...30.5 Mainstay APIAdmitHub/Mainstay REST API v1.0 for syncing student and employee records and engagement data between Mainst...28.5 Agora Conversational AI Engine APIThe Agora Conversational AI Engine enables building voice-enabled AI agents with sub-second response times ...28.2 Replyr Platform APIREST API for the Replyr operator console at app.replyr.ai. Covers business account details, admins and team...27.9

Emerging 14 Early or largely undocumented

Nuance Mix DLGaaS gRPC APIDialog as a Service — execute conversational dialog flows authored in Mix.dialog over a gRPC Dialog service.24.9 Sierra Agent OSSierra Agent OS is the enterprise platform for building, deploying, and operating customer-facing AI agents...23.6 IBM Watson AssistantBuild, train, and deploy conversational interactions into any application, device, or channel. Create AI-po...20.2 Decagon AI Agents StudioDecagon AI Agents Studio is the enterprise platform for authoring, deploying, testing, and operating AI age...19.8 Houndify Voice AI APIThe Houndify platform provides HTTP and WebSocket APIs that accept text or audio queries and return actiona...19.3 Parloa Agent Management Platform (AMP)The Parloa Agent Management Platform (AMP) is the primary product surface for designing, testing, scaling, ...19.2 LivePerson Conversation Builder APIAPIs for designing, deploying, and managing chatbots and dialog flows built with LivePerson Conversation Bu...18.8 LivePerson Conversational Cloud APIComprehensive set of REST APIs for managing conversations across messaging channels, including agent operat...18.8 LivePerson Intent Manager APIProgrammatic access to natural language understanding, intent recognition, and conversation classification ...18.8 HireVue AI Hiring AgentAgentic AI surface that engages candidates conversationally, conducts structured screening, and routes qual...18.0 HireVue Text Recruiting / Match and ApplySMS and chat-based candidate engagement, text recruiting, and Match and Apply flows that move candidates fr...18.0 Paradox Olivia Conversational AIOlivia is Paradox's conversational AI assistant that powers candidate engagement, screening, scheduling, an...18.0 EchoLeads PlatformEchoLeads provider surfaces. The agent-native artifacts (llms.txt, llms-full.txt, security.txt) are confirm...16.8 UBIX ChatUBIX APIConversational AI API enabling natural language interaction with enterprise data and AI models. Supports it...15.6

Minimal 1 Almost no public developer surface

MirrorFly Chat Platform APIToken-authenticated REST API for building in-app chat, split into User APIs and Admin APIs (users, contacts...1.5

Score breakdown

Frequency

65.9

log-scaled weighted occurrences

Breadth

5.9

spread across providers

Quality lift

36.4

mean composite of providers using it

Cohesion

12.4

strength of nearest seed neighbor

Where this tag comes from

Provider tag202

Api tag49

Cohort brief

Auto-generated

The 217 providers in the APIs.io catalog tagged Conversational AI, scored on the Kin Score. Every figure below is computed from the catalog — nothing here is written.

Providers

217

all scored

Mean Kin Score

+9.3 vs catalog 20.7

Mean Agent Readiness

15.5

+5.8 vs catalog 9.7

Spread

1.5–83.3

median 29.3 · σ 18.6

How the 217 split by band

Exemplar 5Strong 17Developing 53Thin 39Emerging 61Minimal 42

Facet averages, against the whole catalog

Facet	This cohort	Catalog	Difference	Scored
Developer Ergonomics	31	17.9	+13.1	217
Access Clarity	34.3	22.3	+12	217
Contract Quality	25.2	17.5	+7.7	217
Discoverability	67.7	60.4	+7.3	217
Operational Transparency	18	11.3	+6.7	217
Contract Governance	11	6.4	+4.6	217

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)	36%	16%	+20
MCP server (first-party)	21%	7%	+14
Agent Skills	0%	0%	0
OAuth scopes	12%	9%	+3
Security	95%	88%	+7
Arazzo workflows	6%	2%	+4
Governance rules	11%	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 Salesforce 83.3
2 Ada 75.7
3 Vapi 75.1
4 Boom Ai 73
5 Inworld AI 66.7
6 Gridspace 65.3
7 ServiceNow 64.8
8 Syllable 64.8
9 Amigo 63.8
10 GitHub Copilot 63.7

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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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

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This tag

curl "https://apis.io/api/v1/tags/conversational-ai"

All tags

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

As a scored cohort

curl "https://apis.io/api/v1/cohorts/tag/conversational-ai"

The distribution (Pro)

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

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