canonical · 0.0 capabilitymarket

LLM

Score 31.0 / 100 259 providers +59 via APIs 126 APIs Search apis.io →

Variants seen in the corpus: LLMLlmllm

Providers using this tag (259)

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

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

ArcadeAgentsMCPAI AgentsAuthorization1 API75.7 VapiArtificial IntelligenceVoice AIVoice AgentsConversational AI15 APIs73.6 DustAgentsArtificial IntelligenceCustom WorkflowsData Sources9 APIs73.0 AlphaAIFinancial NewsStock MarketSEC FilingsInsider Trading1 API70.6 NVIDIA NIMArtificial IntelligenceInferenceMicroservices3 APIs68.3

Strong 19 Solid coverage with minor gaps

Developing 85 Usable, with meaningful gaps to close

Thin 91 Limited public surface area

Emerging 33 Early or largely undocumented

Minimal 26 Almost no public developer surface

APIs with this tag (125)

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 7 Complete, well-documented, and agent-ready

Salesforce Models APIThe Models API from Salesforce — 2 operation(s) for models.87.5 Arcade LLM APIThe LLM API from Arcade — 1 operation(s) for llm.75.7 Novu MCP ServerOfficial Model Context Protocol server exposing the Novu REST API surface as MCP tools so AI agents (Claude...71.1 AlphaAI Claude Code SkillsProvider-published open-source pack of five Claude Code agent skills wrapping the MCP tools into ready-made...70.6 AlphaAI MCP ServerHosted MCP server over Streamable HTTP exposing fifteen tools for news search, ticker news, trending, actio...70.6 Meltwater LLM APIEndpoints to list LLM prompts and folders available for analytics70.2 NVIDIA NIM Completions APILegacy OpenAI-compatible text completion endpoint (/v1/completions) for non-chat foundation models served b...68.3

Strong 14 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...65.7 AppsFlyer MCP ServerAppsFlyer's hosted Model Context Protocol server exposes AppsFlyer's unified marketing data to LLM clients ...65.6 Swiss AI Platform Inference Endpoints APIOpenAI-compatible inference endpoints for chat, multimodal, audio, embedding, reasoning and guardrail model...64.9 Medusa Docs MCP ServerRemote Model Context Protocol server exposing the Medusa documentation to LLM-powered coding assistants - l...62.7 Corti Models APIOpenAI-compatible (Chat Completions, Responses, Completions, Embeddings) and Anthropic-compatible (Messages...61.0 Zapier AI Actions APIZapier AI Actions (formerly Natural Language Actions) provides a universal natural language API optimized f...60.4 OCI Generative AI APIFully managed service providing customizable large language models for chat, text generation, summarization...60.2 arcade-dev LLM APIThe LLM API from arcade-dev — 1 operation(s) for llm.59.8 Eden AI API V3The current Eden AI gateway: OpenAI-compatible chat completions, responses, embeddings, moderations, images...59.1 Eden AI LLM API (v2)The legacy v2 LLM chat endpoint. Superseded by the OpenAI-compatible /v3/chat/completions on the v3 gateway.59.1 Fasten Answers AIGPL-3.0 licensed Python proof-of-concept for AI-powered health insights — exploratory work on conversationa...58.8 Kong AI GatewayKong AI Gateway is the connectivity and governance layer for AI-native applications. Built on Kong Gateway,...58.0 Text Generation Inference (TGI)High-performance inference server for large language models with continuous batching, token streaming, tens...57.2 Prime Intellect Inference APIOpenAI-compatible inference API for hosted frontier and open models served at api.pinference.ai. Supports s...56.5

Developing 43 Usable, with meaningful gaps to close

Cloudflare AI Gateway Unified REST APIUnified REST API launched May 21, 2026 that lets developers call any supported model through a single endpo...54.2 Galileo Technologies llm APIThe llm API from Galileo Technologies — 2 operation(s) for llm.54.1 Inference.net APIOpenAI-compatible inference API for open-source, frontier, and custom language models — chat completions, b...53.6 Oxylabs AI StudioSuite of AI-native data acquisition primitives — AI Scraper (turn any URL into structured JSON or markdown ...52.7 PromptQL Natural Language APIThe PromptQL Natural Language API allows interaction with Hasura PromptQL to send natural language messages...51.7 Simplismart Llm APIThe Llm API from Simplismart — 1 operation(s) for llm.51.0 Bifrost Go SDKThe Bifrost Go SDK provides a native Go client for embedding the Bifrost AI gateway directly into Go applic...50.2 Gemini Developer API for AndroidCloud-based Gemini API for integrating generative AI capabilities into Android applications.49.8 Gemini Nano On-Device AI APIOn-device generative AI powered by Gemini Nano for summarization, proofreading, rewriting, and image descri...49.8 Braintrust APIThe Braintrust REST API provides programmatic access to projects, experiments, datasets, prompts, functions...49.7 Lambda Inference APILambda Inference API is an OpenAI-compatible REST gateway at https://api.lambda.ai/v1 that serves hosted op...49.5 Axway Amplify AI GatewayAxway Amplify AI Gateway is a secure, enterprise-grade AI gateway that governs AI integration, orchestrates...49.4 Wispr AI LLM APIThe LLM API from Wispr AI — 20 operation(s) for llm.49.4 Scaleway Generative APIsScaleway Generative APIs provide access to AI language models and generative AI services hosted on Scaleway...49.3 tessl.io LLM APIThe LLM API from tessl.io — 2 operation(s) for llm.48.5 OpenRelay Inference APIOpenAI-compatible chat completions API (POST /v1/chat/completions) and, for supporting models, an Anthropic...47.9 StepFun Chat Completions APIOpenAI-compatible chat completions for the Step model family (e.g. step-3.7-flash, step-3.5-flash, stepaudi...47.6 StepFun Messages APIAnthropic Messages API-compatible endpoint (POST /v1/messages) that lets the Anthropic SDK and Claude-style...47.6 StepFun Responses APIOpenAI Responses API-style endpoint for generating model responses on the StepFun open platform.47.6 Val Town MCP ServerModel Context Protocol server hosted by Val Town at api.val.town/v3/mcp enabling LLMs and AI agents to inte...47.4 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 Amberflo AI Gateway APIThe Amberflo AI Gateway provides a unified API for routing requests to 1,500+ LLM models with intelligent m...46.4 Spring AI APISpring AI provides a Spring-friendly API and abstractions for building AI-powered applications. It offers a...46.2 Dartmouth Chat AI APIAn OpenAI- and Anthropic-compatible API over large language, embedding and reranking models running on Dart...43.9 AkashML Inference APIOpenAI-compatible AI inference API providing access to open-source LLMs hosted on decentralized compute acr...43.7 u:ai API (Academic AI)u:ai is the University of Vienna's AI assistant for staff and students, offered with API access for scripte...43.5 ZenRows MCP ServerOfficial ZenRows Model Context Protocol server that exposes the scraping platform to AI assistants. Availab...43.5 W&B Serverless Inference (CoreWeave)OpenAI-compatible inference API for hosted open-source foundation models, running on CoreWeave GPU infrastr...43.4 W&B Weave (LLM Observability)LLM observability and evaluation platform providing tracing, output evaluation, cost estimation, prompt pla...43.4 Kensho LLM-ready API (kfinance)LLM-ready API that connects LLMs, agents, and AI applications to S&P Global's trusted data through flexible...43.2 AI21 Jamba Chat Completions APIConversational completions endpoint backed by the Jamba family of hybrid Mamba/Transformer models (Jamba 1....43.1 Zoca LLM APIThe LLM API from Zoca — 2 operation(s) for llm.42.8 vLLM OpenAI-Compatible APIvLLM is a high-throughput and memory-efficient inference engine for LLMs, implementing PagedAttention for e...42.7 ScrapingBee AI Web Scraping APIThe AI Web Scraping API leverages LLM-driven extraction to lift content from web pages by expressing what y...42.5 Traefik AI GatewaySelf-hosted Kubernetes-native gateway for LLM traffic. OpenAI-compatible unified API in front of OpenAI, An...42.5 ELM — Edinburgh Language Models APIOpenAI-compatible generative-AI gateway built and run by EDINA at the University of Edinburgh, described by...42.4 Glio LLM APISynchronous text generation endpoints41.4 Highspot MCP ServerThe Highspot MCP Server leverages the Model Context Protocol to provide LLMs with access to sales content, ...40.7 AI Proxy Advanced PluginThe AI Proxy Advanced plugin extends AI Proxy with load balancing, weighted distribution, and fallback acro...40.2 AI Proxy PluginThe AI Proxy plugin transforms and proxies requests to a configured AI provider and model, shielding client...40.2 AI Request/Response Transformer PluginUses LLMs at the gateway to transform request and response payloads (for example, reshaping JSON or transla...40.2 Kong AI GatewayKong AI Gateway is the connectivity and governance layer for AI-native applications. Built on Kong Gateway,...40.2

Thin 42 Limited public surface area

Surf Chat APIOpenAI-style Chat/Research API. POST /responses with a surf-2.0 or surf-2.0-instant model and a natural-lan...39.0 Docling AgentReference agent that reads, writes, and edits documents using Docling as the IO layer. Demonstrates how Doc...37.9 GPT4AllOpen-source ecosystem for running large language models locally on consumer hardware. Ships a desktop chat ...37.8 King's e-Research AI Hub APIAn OpenAI-compatible LLM inference API operated by King's e-Research for researchers, students and staff. P...36.8 OpenMind LLM APIUnified chat-completions endpoint that proxies multiple LLM providers (OpenAI, Anthropic via OpenRouter, Go...36.8 TUD:AI LLM APIAn OpenAI-compatible LLM inference API operated by ZIH and ScaDS.AI Dresden/Leipzig for TU Dresden staff, s...36.8 IO Intelligence APIOpenAI-compatible inference API for open-source AI models hosted on io.net's decentralized GPU network. Exp...35.6 MAX Inference REST APIOpenAI-compatible inference API served by MAX. Exposes /v1/chat/completions, /v1/completions, /v1/embedding...35.1 Sensible REST APIREST API for document extraction (sync/async, single-document or portfolio), classification, fill, generati...34.8 Tinker APIManaged training/fine-tuning and sampling API for open-weight language models, consumed through the officia...34.7 AI API Access (Azure OpenAI / Amazon Bedrock)Boston University IS&T brokers Large Language Model API keys to affiliated faculty, researchers, staff and ...34.3 LAPIS SpecificationThe LAPIS specification defines a token-minimal, LLM-native format for describing HTTP APIs. A LAPIS docume...33.9 Context7 MCP ServerThe Context7 MCP Server implements the Model Context Protocol so AI coding assistants such as Cursor, Claud...33.5 DeepInfra Platform APIOpenAI- and Anthropic-compatible inference API for 100+ open-source models. Surfaces include chat completio...33.2 KoGPT APIKoGPT is Kakao Brain's Korean-language large language model. The KoGPT API provides text generation, summar...33.2 Lingyiwanwu Platform APIOpenAI-compatible chat completions and vision endpoints for the Yi model family. Base URL https://api.lingy...33.2 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 Recon (Red-Teaming)Commercial automated red-teaming product that rigorously tests LLM and GenAI applications for vulnerabiliti...33.1 LiteLLM Completions APIProvides an OpenAI-compatible /completions endpoint for text completion requests routed through the LiteLLM...33.0 LiteLLM Responses APIProvides an OpenAI-compatible /responses endpoint supporting the Responses API specification, including con...33.0 DashScope (Alibaba Cloud Model Studio) APINative Alibaba Cloud Model Studio API serving the Qwen model family. Provides chat completions, multimodal ...32.8 Inworld LLM Router APIRouting layer over 220+ LLM models, billed at provider cost via Inworld's unified API.32.8 SiliconFlow Cloud Platform APIOpenAI- and Anthropic-compatible inference covering chat completions, messages, embeddings, reranking, imag...32.7 Poolside APIOpenAI-compatible inference API for poolside's Laguna agentic-coding models. Send chat-completion and model...32.6 LiveKit Agents APIFramework and runtime for voice / multimodal AI agents that join LiveKit rooms; integrates with LLM, STT, a...32.2 DataDome Agentic TrustAgentic Trust is DataDome's product for managing AI-agent traffic, letting customers identify, authenticate...31.5 Ember APIHosted mechanistic-interpretability API. OpenAI-compatible chat-completions sampling plus feature discovery...31.4 LlamaIndex Python FrameworkLlamaIndex is an open-source Python framework for building LLM-powered applications including agents, RAG p...31.4 LlamaIndex TypeScript FrameworkLlamaIndex TypeScript is the JavaScript and TypeScript implementation of the LlamaIndex framework for build...31.4 Port AI and LLM Management APIEndpoints to manage AI agents, prompts, memory, and LLM-driven capabilities embedded in the Port platform.31.3 Spin Serverless AI APIThe Spin Serverless AI API enables Spin components to run AI inference using built-in language model suppor...31.1 Agora Conversational AI Engine APIThe Agora Conversational AI Engine enables building voice-enabled AI agents with sub-second response times ...30.6 Imaginode MCP ServerHosted MCP server (Streamable HTTP transport) exposing four tools: list_models, generate_image, generate_vi...30.5 Imaginode REST APIREST API to list models and launch/track image and video generations. Endpoints: GET /api/models (unauthent...30.5 Volcano Engine Ark APIOpenAI-compatible chat, responses, embedding, batch, image (Seedream), video (Seedance), 3D, and TTS APIs s...30.2 Hyperbolic Serverless Inference APIOpenAI-compatible inference API for 25+ open-source models. Surfaces include text chat, vision, image gener...30.0 Raycast AI APIAI access surfaced through the SDK via `AI.ask(prompt)` - no API keys or HTTP endpoint required. Routes pro...30.0 Mango LLMBoost Inference Server APILLMBoost is MangoBoost's enterprise LLM inference server. It serves the OpenAI REST API on /v1 so an existi...29.8 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 Refuel Cloud APIProgrammatic access to the Refuel Cloud platform for managing projects, datasets, labeling tasks, task runs...26.3

Emerging 18 Early or largely undocumented

Cumulus Inference GatewayOpenAI-compatible HTTP inference gateway. One client works against every upstream provider; per-workflow ro...25.8 Maxim AI APIThe Maxim REST API provides programmatic access to prompts, workflows, agents, datasets, evaluators, test r...25.8 NovelAI APINovelAI API provides programmatic access to AI image generation and text generation capabilities.24.8 Twindo LLM JSON APIPublic machine-readable company profile Twindo publishes for LLMs and agents (linked from the site footer a...24.4 Sageox LLM APIOpenAI-compatible chat completion endpoints. Proxies requests to configured LLM providers (Bedrock, OpenAI)...24.1 Wordware WordApps APIRun deployed WordApps programmatically. Each published WordApp exposes a run endpoint (POST /api/released-a...23.0 Norm AI AdvisorNorm is FBN's LLM-based AI agronomy advisor, answering members' questions on seed selection, crop protectio...22.7 Higress AI GatewayHigress AI Gateway extends the core Higress gateway with AI-specific capabilities including LLM proxy routi...22.0 SenseNova LLM APIThe SenseNova LLM API service platform exposes SenseTime's large multimodal foundation models (chat complet...20.4 Baidu AI Cloud QianfanOpenAI-compatible LLM / Model-as-a-Service API hosting the ERNIE family and select open models (DeepSeek, G...19.6 Liquid AI Platform APIHosted inference and customization API for the LFM family. Includes Liquid Playground and LEAP customizatio...18.4 Naver Cloud HyperCLOVA X APIHyperCLOVA X is Naver's Korean-language large language model. The HyperCLOVA X API exposes chat completion,...17.7 Pi Scoring APIOpenAPI-compatible REST API for scoring, calibrating, and optimizing LLM outputs against rubrics of natural...16.9 Llama APIMeta's hosted REST API providing access to Llama large language models for chat completions, text generatio...16.2 Phind AI Answer EngineConceptual (modeled) surface for Phind's AI answer engine - the developer-focused conversational search tha...14.8 Phind Open-Weight ModelsPhind's genuinely public developer artifacts - open-weight models published to the Phind organization on Hu...14.8 Collibra AI Command CenterThe Collibra AI Command Center provides a unified control plane for governing enterprise AI systems with co...12.5 Sakana Fugu API (Beta)Multi-agent orchestration system that routes tasks across frontier foundation models (OpenAI, Anthropic, Go...11.3

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 (59)

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

Agora Akash Network Amberflo Android AppsFlyer Arcade.dev Axway Boston University Collibra Corti Dartmouth College DataDome Farmers Business Network Fasten Health Galileo Technologies Glio Hasura Highspot Higress Hugging Face Transformers Inworld AI King's College London Lambda Lightning AI LiteLLM LiveKit Llamaindex MangoBoost Medusa Meltwater Naver Novu Oracle Oxylabs Port Prime Intellect Raycast Sageox Salesforce Scaleway ScrapingBee SenseTime Spin Spring Framework Surf Swisscom tessl.io Traefik Labs TU Dresden Twindo

Show all 59 companies ↓

Unisound University of Edinburgh University of Vienna Val Town Weights and Biases Wispr AI Zapier ZenRows Zoca

Score breakdown

Frequency

70.6

log-scaled weighted occurrences

Breadth

7.1

spread across providers

Quality lift

40.5

mean composite of providers using it

Cohesion

23.0

strength of nearest seed neighbor

Where this tag comes from

Provider tag259

Api tag126

Openapi tag9

Openapi op tag15

Cohort brief

Auto-generated

The 254 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

254

all scored

Mean Kin Score

36.3

+12.4 vs catalog 23.9

Mean Agent Readiness

20.8

+8.8 vs catalog 12

Spread

5–75.7

median 37.2 · σ 14.7

How the 254 split by band

Exemplar 5Strong 19Developing 85Thin 91Emerging 33Minimal 21

Facet averages, against the whole catalog

Facet	This cohort	Catalog	Difference	Scored
Developer Ergonomics	41.9	23.4	+18.5	254
Contract Quality	38.1	19.8	+18.3	254
Operational Transparency	25.6	14	+11.6	254
Access Clarity	35.7	26.5	+9.2	254
Discoverability	68.5	61.2	+7.3	254
Contract Governance	7.8	6.4	+1.4	254

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)	20%	10%	+10
MCP server (first-party)	25%	13%	+12
Agent Skills	0%	0%	0
OAuth scopes	6%	11%	-5
Security	98%	97%	+1
Arazzo workflows	4%	2%	+2
Governance rules	24%	14%	+10

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 Arcade 75.7
2 Vapi 73.6
3 Dust 73
4 AlphaAI 70.6
5 NVIDIA NIM 68.3
6 S&P Global 65.7
7 AIMLAPI 65.5
8 Compresr 62.8
9 Refuel 62
10 Seekr 61.3

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