canonical · 2.8 market

LLM

Score 32.3 / 100 320 providers 124 APIs Search apis.io →

Variants seen in the corpus: LLMLlmllm

Providers using this tag (320)

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

Exemplar 9 Complete, well-documented, and agent-ready

SalesforceFortune 500Artificial IntelligenceAnalyticsCloud294 APIs83.3 Treasure DataCustomer Data PlatformCDPBig DataData Warehouse23 APIs76.7 VapiArtificial IntelligenceVoice AIVoice AgentsConversational AI15 APIs75.1 AlphaAIFinancial NewsStock MarketSEC FilingsInsider Trading3 APIs73.7 MeltwaterMedia MonitoringSocial ListeningPR AnalyticsBrand Intelligence14 APIs73.5 NVIDIA NIMArtificial IntelligenceInferenceMicroservices11 APIs71.2 DustAgentsArtificial IntelligenceCustom WorkflowsData Sources14 APIs67.6 AppsFlyerCompanyMobile AttributionMarketing AnalyticsMobile Measurement11 APIs66.9 NovuNotificationMessagingIn-AppEmail19 APIs66.6

Strong 25 Solid coverage with minor gaps

Developing 105 Usable, with meaningful gaps to close

Thin 110 Limited public surface area

Emerging 39 Early or largely undocumented

Minimal 32 Almost no public developer surface

APIs with this tag (122)

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

Salesforce Models APIThe Models API from Salesforce — 2 operation(s) for models.83.3 Treasure Data LLM APIThe LLM API — 87 operations for AI agents, agent schedules, chats and chat interfaces, actions, knowledge b...76.7 AlphaAI Claude Code SkillsProvider-published open-source pack of five Claude Code agent skills wrapping the MCP tools into ready-made...73.7 AlphaAI MCP ServerHosted MCP server over Streamable HTTP exposing fifteen tools for news search, ticker news, trending, actio...73.7 AlphaAI REST APIREST API for relevance-scored, ticker-linked financial news. Fifteen read-only operations across news feeds...73.7 Meltwater API v4The Meltwater Public API v4 provides unified access to content export and analytics across Meltwater Explor...73.5 NVIDIA NIM Completions APILegacy OpenAI-compatible text completion endpoint (/v1/completions) for non-chat foundation models served b...71.2 AppsFlyer MCP ServerAppsFlyer's hosted Model Context Protocol server exposes AppsFlyer's unified marketing data to LLM clients ...66.9 Novu MCP ServerOfficial Model Context Protocol server exposing the Novu REST API surface as MCP tools so AI agents (Claude...66.6

Strong 10 Solid coverage with minor gaps

S&P Global LLM-Ready API (kFinance)REST API and Model Context Protocol server exposing S&P Capital IQ Financials, Market Data, Business Relati...64.6 Zapier AI Actions APIZapier AI Actions (formerly Natural Language Actions) provides a universal natural language API optimized f...64.6 Swiss AI Platform Inference Endpoints APIOpenAI-compatible inference endpoints for chat, multimodal, audio, embedding, reasoning and guardrail model...63.8 Corti Models APIOpenAI-compatible (Chat Completions, Responses, Completions, Embeddings) and Anthropic-compatible (Messages...62.4 Arcade LLM APIThe LLM API from Arcade — 1 operation(s) for llm.60.8 Fasten Answers AIGPL-3.0 licensed Python proof-of-concept for AI-powered health insights — exploratory work on conversationa...59.2 arcade-dev LLM APIThe LLM API from arcade-dev — 1 operation(s) for llm.56.2 Cloudflare AI Gateway Unified REST APIUnified REST API launched May 21, 2026 that lets developers call any supported model through a single endpo...55.5 Prime Intellect Inference APIOpenAI-compatible inference API for hosted frontier and open models served at api.pinference.ai. Supports s...55.1 Oxylabs AI StudioSuite of AI-native data acquisition primitives — AI Scraper (turn any URL into structured JSON or markdown ...54.7

Developing 38 Usable, with meaningful gaps to close

Inference.net APIOpenAI-compatible inference API for open-source, frontier, and custom language models — chat completions, b...53.9 PromptQL Natural Language APIThe PromptQL Natural Language API allows interaction with Hasura PromptQL to send natural language messages...53.9 Simplismart Llm APIThe Llm API from Simplismart — 1 operation(s) for llm.53.3 OCI Generative AI APIFully managed service providing customizable large language models for chat, text generation, summarization...53.0 Kong AI GatewayKong AI Gateway is the connectivity and governance layer for AI-native applications. Built on Kong Gateway,...51.2 Lambda Inference APILambda Inference API is an OpenAI-compatible REST gateway at https://api.lambda.ai/v1 that serves hosted op...50.9 OpenRelay Inference APIOpenAI-compatible chat completions API (POST /v1/chat/completions) and, for supporting models, an Anthropic...50.8 ZenRows MCP ServerOfficial ZenRows Model Context Protocol server that exposes the scraping platform to AI assistants. Availab...50.4 Axway Amplify AI GatewayAxway Amplify AI Gateway is a secure, enterprise-grade AI gateway that governs AI integration, orchestrates...50.0 Gemini Developer API for AndroidCloud-based Gemini API for integrating generative AI capabilities into Android applications.48.6 Gemini Nano On-Device AI APIOn-device generative AI powered by Gemini Nano for summarization, proofreading, rewriting, and image descri...48.6 ZotGPT API (Deprecated)The first-generation ZotGPT developer API, an OpenAI-compatible chat completions endpoint fronted by Azure ...48.5 StepFun Chat Completions APIOpenAI-compatible chat completions for the Step model family (e.g. step-3.7-flash, step-3.5-flash, stepaudi...47.8 StepFun Messages APIAnthropic Messages API-compatible endpoint (POST /v1/messages) that lets the Anthropic SDK and Claude-style...47.8 StepFun Responses APIOpenAI Responses API-style endpoint for generating model responses on the StepFun open platform.47.8 Scaleway Generative APIsScaleway Generative APIs provide access to AI language models and generative AI services hosted on Scaleway...47.6 tessl.io LLM APIThe LLM API from tessl.io — 2 operation(s) for llm.47.3 Bifrost Go SDKThe Bifrost Go SDK provides a native Go client for embedding the Bifrost AI gateway directly into Go applic...47.1 Unisound Shanhai (UniGPT) LLM WebAPIREST chat-completions WebAPI for the Shanhai (山海 / UniGPT) large language model on the Unisound AI Open Pla...47.0 Unisound Token Hub APIMulti-modal MaaS API for Unisound U2 models: OpenAI-compatible chat completions and Anthropic-compatible me...47.0 Text Generation Inference (TGI)High-performance inference server for large language models with continuous batching, token streaming, tens...45.3 Amberflo AI Gateway APIThe Amberflo AI Gateway provides a unified API for routing requests to 1,500+ LLM models with intelligent m...44.8 Galileo Technologies llm APIThe llm API from Galileo Technologies — 2 operation(s) for llm.44.7 Kensho LLM-ready API (kfinance)LLM-ready API that connects LLMs, agents, and AI applications to S&P Global's trusted data through flexible...44.6 AI21 Jamba Chat Completions APIConversational completions endpoint backed by the Jamba family of hybrid Mamba/Transformer models (Jamba 1....43.9 ScrapingBee AI Web Scraping APIThe AI Web Scraping API leverages LLM-driven extraction to lift content from web pages by expressing what y...43.8 Wispr AI LLM APIThe LLM API from Wispr AI — 20 operation(s) for llm.43.7 Glio LLM APISynchronous text generation endpoints43.5 Spring AI APISpring AI provides a Spring-friendly API and abstractions for building AI-powered applications. It offers a...42.5 Cerebras Inference APIThe Cerebras Inference API exposes ultra-low-latency inference for open-weight large language models includ...42.0 Surf Chat APIOpenAI-style Chat/Research API. POST /responses with a surf-2.0 or surf-2.0-instant model and a natural-lan...41.8 Medusa Docs MCP ServerRemote Model Context Protocol server exposing the Medusa documentation to LLM-powered coding assistants - l...40.7 Typesense Conversational Search APIThe Typesense Conversational Search API enables AI-powered question answering over your search index. It su...40.5 Traefik AI GatewaySelf-hosted Kubernetes-native gateway for LLM traffic. OpenAI-compatible unified API in front of OpenAI, An...40.3 Braintrust APIThe Braintrust REST API provides programmatic access to projects, experiments, datasets, prompts, functions...40.1 Val Town MCP ServerModel Context Protocol server hosted by Val Town at api.val.town/v3/mcp enabling LLMs and AI agents to inte...40.1 AkashML Inference APIOpenAI-compatible AI inference API providing access to open-source LLMs hosted on decentralized compute acr...39.9 Docling AgentReference agent that reads, writes, and edits documents using Docling as the IO layer. Demonstrates how Doc...39.8

Thin 43 Limited public surface area

GPT4AllOpen-source ecosystem for running large language models locally on consumer hardware. Ships a desktop chat ...39.0 SambaCloud APIThe SambaCloud API exposes OpenAI-compatible chat completions over SambaNova's RDU-accelerated infrastructu...38.9 Highspot MCP ServerThe Highspot MCP Server leverages the Model Context Protocol to provide LLMs with access to sales content, ...38.8 vLLM OpenAI-Compatible APIvLLM is a high-throughput and memory-efficient inference engine for LLMs, implementing PagedAttention for e...37.5 OpenMind LLM APIUnified chat-completions endpoint that proxies multiple LLM providers (OpenAI, Anthropic via OpenRouter, Go...36.8 W&B Serverless Inference (CoreWeave)OpenAI-compatible inference API for hosted open-source foundation models, running on CoreWeave GPU infrastr...36.7 W&B Weave (LLM Observability)LLM observability and evaluation platform providing tracing, output evaluation, cost estimation, prompt pla...36.7 Dartmouth Chat AI APIAn OpenAI-compatible REST API exposing large language models, embedding models, and reranking models deploy...35.1 KoGPT APIKoGPT is Kakao Brain's Korean-language large language model. The KoGPT API provides text generation, summar...34.5 MAX Inference REST APIOpenAI-compatible inference API served by MAX. Exposes /v1/chat/completions, /v1/completions, /v1/embedding...34.0 Sensible REST APIREST API for document extraction (sync/async, single-document or portfolio), classification, fill, generati...33.9 LiteLLM Completions APIProvides an OpenAI-compatible /completions endpoint for text completion requests routed through the LiteLLM...33.7 LiteLLM Responses APIProvides an OpenAI-compatible /responses endpoint supporting the Responses API specification, including con...33.7 Poolside APIOpenAI-compatible inference API for poolside's Laguna agentic-coding models. Send chat-completion and model...33.7 DataDome Agentic TrustAgentic Trust is DataDome's product for managing AI-agent traffic, letting customers identify, authenticate...33.6 Recon (Red-Teaming)Commercial automated red-teaming product that rigorously tests LLM and GenAI applications for vulnerabiliti...33.6 AI Proxy Advanced PluginThe AI Proxy Advanced plugin extends AI Proxy with load balancing, weighted distribution, and fallback acro...33.5 AI Proxy PluginThe AI Proxy plugin transforms and proxies requests to a configured AI provider and model, shielding client...33.5 AI Request/Response Transformer PluginUses LLMs at the gateway to transform request and response payloads (for example, reshaping JSON or transla...33.5 Kong AI GatewayKong AI Gateway is the connectivity and governance layer for AI-native applications. Built on Kong Gateway,...33.5 WeaveAPI Anthropic-compatible Messages APIAnthropic/Claude-wire-compatible messages route served from the bare api.weaveapi.dev host. The Claude Code...33.2 WeaveAPI OpenAI-compatible APIOpenAI-wire-compatible REST API for chat completions, responses-style requests and the model catalog, authe...33.2 Tinker APIManaged training/fine-tuning and sampling API for open-weight language models, consumed through the officia...33.0 LAPIS SpecificationThe LAPIS specification defines a token-minimal, LLM-native format for describing HTTP APIs. A LAPIS docume...32.5 LiveKit Agents APIFramework and runtime for voice / multimodal AI agents that join LiveKit rooms; integrates with LLM, STT, a...32.4 Inworld LLM Router APIRouting layer over 220+ LLM models, billed at provider cost via Inworld's unified API.31.9 Ember APIHosted mechanistic-interpretability API. OpenAI-compatible chat-completions sampling plus feature discovery...31.4 Context7 MCP ServerThe Context7 MCP Server implements the Model Context Protocol so AI coding assistants such as Cursor, Claud...31.3 LlamaIndex Python FrameworkLlamaIndex is an open-source Python framework for building LLM-powered applications including agents, RAG p...30.3 LlamaIndex TypeScript FrameworkLlamaIndex TypeScript is the JavaScript and TypeScript implementation of the LlamaIndex framework for build...30.3 Mango LLMBoost Inference Server APILLMBoost is MangoBoost's enterprise LLM inference server. It serves the OpenAI REST API on /v1 so an existi...29.6 DashScope (Alibaba Cloud Model Studio) APINative Alibaba Cloud Model Studio API serving the Qwen model family. Provides chat completions, multimodal ...29.3 Lingyiwanwu Platform APIOpenAI-compatible chat completions and vision endpoints for the Yi model family. Base URL https://api.lingy...29.2 Raycast AI APIAI access surfaced through the SDK via `AI.ask(prompt)` - no API keys or HTTP endpoint required. Routes pro...29.1 DeepInfra Platform APIOpenAI- and Anthropic-compatible inference API for 100+ open-source models. Surfaces include chat completio...28.9 Hyperbolic Serverless Inference APIOpenAI-compatible inference API for 25+ open-source models. Surfaces include text chat, vision, image gener...28.7 Agora Conversational AI Engine APIThe Agora Conversational AI Engine enables building voice-enabled AI agents with sub-second response times ...28.2 Volcano Engine Ark APIOpenAI-compatible chat, responses, embedding, batch, image (Seedream), video (Seedance), 3D, and TTS APIs s...27.9 SiliconFlow Cloud Platform APIOpenAI- and Anthropic-compatible inference covering chat completions, messages, embeddings, reranking, imag...27.8 Lightning AI Model APIsHosted inference API that serves frontier and open models behind a Lightning API key, billed per token with...27.2 Aster Inference APIOpenAI-compatible inference API from Aster serving open-weight models (gpt-oss-120b, gpt-oss-120b-fast, GLM...26.5 Port AI and LLM Management APIEndpoints to manage AI agents, prompts, memory, and LLM-driven capabilities embedded in the Port platform.26.4 Refuel Cloud APIProgrammatic access to the Refuel Cloud platform for managing projects, datasets, labeling tasks, task runs...26.3

Emerging 20 Early or largely undocumented

IO Intelligence APIOpenAI-compatible inference API for open-source AI models hosted on io.net's decentralized GPU network. Exp...26.1 Cumulus Inference GatewayOpenAI-compatible HTTP inference gateway. One client works against every upstream provider; per-workflow ro...25.8 Norm AI AdvisorNorm is FBN's LLM-based AI agronomy advisor, answering members' questions on seed selection, crop protectio...23.3 NovelAI APINovelAI API provides programmatic access to AI image generation and text generation capabilities.23.1 Wordware WordApps APIRun deployed WordApps programmatically. Each published WordApp exposes a run endpoint (POST /api/released-a...23.0 Spin Serverless AI APIThe Spin Serverless AI API enables Spin components to run AI inference using built-in language model suppor...22.1 Maxim AI APIThe Maxim REST API provides programmatic access to prompts, workflows, agents, datasets, evaluators, test r...21.8 Sageox LLM APIOpenAI-compatible chat completion endpoints. Proxies requests to configured LLM providers (Bedrock, OpenAI)...21.8 Twindo LLM JSON APIPublic machine-readable company profile Twindo publishes for LLMs and agents (linked from the site footer a...21.8 SenseNova LLM APIThe SenseNova LLM API service platform exposes SenseTime's large multimodal foundation models (chat complet...21.5 Baidu AI Cloud QianfanOpenAI-compatible LLM / Model-as-a-Service API hosting the ERNIE family and select open models (DeepSeek, G...19.6 Pi Scoring APIOpenAPI-compatible REST API for scoring, calibrating, and optimizing LLM outputs against rubrics of natural...16.9 AI API Access (Azure OpenAI / Amazon Bedrock)Boston University IS&T provides gated access to Large Language Model API keys for academic and research use...16.7 Llama APIMeta's hosted REST API providing access to Llama large language models for chat completions, text generatio...16.2 Naver Cloud HyperCLOVA X APIHyperCLOVA X is Naver's Korean-language large language model. The HyperCLOVA X API exposes chat completion,...15.8 Higress AI GatewayHigress AI Gateway extends the core Higress gateway with AI-specific capabilities including LLM proxy routi...14.7 Liquid AI Platform APIHosted inference and customization API for the LFM family. Includes Liquid Playground and LEAP customizatio...13.2 Phind AI Answer EngineConceptual (modeled) surface for Phind's AI answer engine - the developer-focused conversational search tha...12.3 Phind Open-Weight ModelsPhind's genuinely public developer artifacts - open-weight models published to the Phind organization on Hu...12.3 Collibra AI Command CenterThe Collibra AI Command Center provides a unified control plane for governing enterprise AI systems with co...11.1

Minimal 2 Almost no public developer surface

Sakana Fugu API (Beta)Multi-agent orchestration system that routes tasks across frontier foundation models (OpenAI, Anthropic, Go...10.9 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

71.0

log-scaled weighted occurrences

Breadth

8.8

spread across providers

Quality lift

43.8

mean composite of providers using it

Cohesion

23.7

strength of nearest seed neighbor

Where this tag comes from

Provider tag263

Api tag124

Openapi tag7

Openapi op tag11

Cohort brief

Auto-generated

The 320 providers in the APIs.io catalog tagged LLM, scored on the Kin Score. Every figure below is computed from the catalog — nothing here is written.

Providers

320

all scored

Mean Kin Score

36.1

+15.4 vs catalog 20.7

Mean Agent Readiness

20.4

+10.7 vs catalog 9.7

Spread

4.4–83.3

median 37.6 · σ 15.6

How the 320 split by band

Exemplar 9Strong 25Developing 105Thin 110Emerging 39Minimal 32

Facet averages, against the whole catalog

Facet	This cohort	Catalog	Difference	Scored
Contract Quality	38.9	17.5	+21.4	320
Developer Ergonomics	38	17.9	+20.1	320
Operational Transparency	24.9	11.3	+13.6	320
Access Clarity	34.8	22.3	+12.5	320
Discoverability	71.3	60.4	+10.9	320
Contract Governance	11.3	6.4	+4.9	320

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)	31%	16%	+15
MCP server (first-party)	15%	7%	+8
Agent Skills	0%	0%	0
OAuth scopes	9%	9%	0
Security	97%	88%	+9
Arazzo workflows	5%	2%	+3
Governance rules	28%	13%	+15

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 Treasure Data 76.7
3 Vapi 75.1
4 AlphaAI 73.7
5 Meltwater 73.5
6 NVIDIA NIM 71.2
7 Dust 67.6
8 AppsFlyer 66.9
9 Novu 66.6
10 Hyperbolic 64.7

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/llm"

All tags

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

As a scored cohort

curl "https://apis.io/api/v1/cohorts/tag/llm"

The distribution (Pro)

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

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LLM