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📖 The AI Tool Bible

AI tools tagged Has Rest Api

48 tools matching this tag.tech

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EL

ElevenLabs

Featured
Audio · ElevenLabs Multilingual v2
9.4

The gold standard for AI voice cloning and TTS.

Freemium· Free: $0 · Starter: $6 · Creator: $11 · Pro: $99 · Scale: $299TTSvoice cloning
AS

AssemblyAI

Audio · Universal / Slam-1
8.7

Speech-to-text API with diarisation, summarisation, and topic detection.

Freemium· Pre-recorded Speech-to-Text API: $0.21 /hr · Universal-2: $0.15 /hr · Realtime Speech-to-Text API: $0.45 /hr · Universal-Streaming: $0.15 /hr · Universal-Streaming Multilingual: $0.15 /hrtranscriptiondiarisation
EV

Elasticsearch Vector Search

RAG · BYO embeddings (OpenAI, Cohere, Hugging Face, Mistral, Bedrock, Vertex, Azure) plus Elastic's built-in ELSER sparse model and E5 dense model
8.7

Hybrid vector + keyword search in the enterprise-grade Elasticsearch engine

Freemium· Resource based pricing: Pay as you go (monthly) or prepaid · Usage based pricing: Pay as you go (monthly) or prepaid · License based pricing: ?RAG chatbot over enterprise docsHybrid semantic + keyword product search
AB

AWS Bedrock

Agents · Multi-model: Anthropic Claude, Meta Llama, Mistral, Cohere, AI21, Amazon Nova/Titan, DeepSeek, Stability, OpenAI GPT
8.6

Build and scale generative AI applications with foundation models

Paid· Standard: Contact sales · Flex: Contact sales · Priority: Contact sales · Reserved: Contact salesEnterprise RAG chatbot over private documentsMulti-step tool-using agents via AgentCore
DA

DataStax Astra DB

RAG · Bring-your-own embeddings; integrates with OpenAI, Cohere, Hugging Face, Mistral, NVIDIA NIM, and Vertex AI via server-side vectorize
8.6

Serverless vector and document database for production RAG and AI agents

Freemium· Small On-Demand: Contact sales · Medium (Balanced): Contact sales · Medium (Storage Optimized): Contact sales · Large (Balanced): Contact sales · Large (Storage Optimized): Contact salesRAG chatbot over enterprise documentsAgent long-term memory store
SC

ScrapeGraphAI

Agents · Multi-model (LLM, unspecified)
8.4

LLM-driven web scraping API that turns natural-language prompts into structured JSON.

Freemium· Free 500 credits; Starter $20/mo, Growth $100/mo, Pro $500/mo, Enterprise customweb-scrapingdata-extraction
RU

RunPod

Fine-tuning · Bring-your-own (any open-weight or custom model)
8.3

On-demand GPU cloud and serverless inference platform built specifically for AI workloads.

Paid· Pod: $7.39/hr · Pod: $4.39/hr · Pod: $5.89/hr · Pod: $1.99/hr · Pod: $3.19/hrllm-fine-tuninggpu-rental
SK

Skyvern

Agents · Multi-model (OpenAI, Anthropic, Gemini, Ollama)
8.3

AI browser agent that automates web workflows from natural-language instructions, with CAPTCHA and 2FA handling built in.

Freemium· Free: $0/month · Hobby: $29/month · Pro: $149/month · Enterprise: Custom/monthbrowser-automationdata-extraction
CU

Cube

RAG · Multi-model
8.1

Semantic layer that grounds LLM agents in your real business metrics instead of letting them hallucinate SQL.

Freemium· Cube Core open source; Cube Cloud paid, contact salessemantic-layerembedded-analytics
TA

Together AI Fine-tuning

Fine-tuning · Multi-model (any Hugging Face open-source model)
8.1

Managed fine-tuning platform for open-source LLMs and vision models with LoRA, full fine-tuning, and RL support.

Paid· Usage-based; cost estimator in-product, no public price listllm-fine-tuningvision-fine-tuning
EX

Exa

RAG · Proprietary neural + keyword search
8.0

Web search API built for AI agents, with structured outputs and token-efficient highlights.

Freemium· Free Tier: Free · Search: $7/1k requests · Agent: $0.012–$1.00/run · Contents: $1/1k pages per content type · Deep Search: $12–15/1k requestsagent-web-searchrag-retrieval
FI

Firecrawl

RAG · Claude, Cursor, Windsurf, OpenAI, Gemini
8.0

Web scraping and crawling API that returns LLM-ready markdown, JSON, or structured data from any URL.

Freemium· Free Plan: $0 · Hobby: $16 · Standard: $83 · Growth: $333 · Scale: $599/monthlyweb-scrapingrag-ingestion
MI

MiniMax

Agents · MiniMax M3, Hailuo 2.3, Speech 2.8, Music 2.6
8.0

Chinese frontier-model lab shipping multimodal foundation models with a 1M-context coding/agent stack.

Freemium· Free tier; Token plan from ~$20/mo (~12.5B tokens); enterprise pricing on requestcoding-agentlong-context
DE

Deepgram

Audio · Nova, Flux, Speak (proprietary)
7.9

Production-grade speech-to-text, text-to-speech, and voice-agent APIs for real-time and batch audio.

Freemium· Free credits on signup; usage-based pricing; enterprise contracts availablespeech-to-texttext-to-speech
OP

OpenMetadata

Agents
7.4

Open-source metadata platform that gives AI agents a semantic context graph over your data stack.

Freemium· Free self-hosted OSS; Collate managed cloud has free tier + paid plansdata-catalogagent-context
AG

Agentset

RAG · Multi-model (Claude, OpenAI, Google, xAI, Cohere, Mistral, DeepSeek)
7.3

Production-ready RAG infrastructure with agentic search, citations, and model-agnostic plumbing.

Freemium· Free: $0 · Pro: $49 · Enterprise: Customdocument-qaagentic-search
AA

Azure AI Speech (Neural TTS)

Audio · Azure Neural TTS (plus HD and Azure OpenAI voices)
7.3

Microsoft's enterprise-grade neural text-to-speech with 100+ languages, custom brand voices, and SSML control.

Freemium· Free (F0): Free · Pay as You Go: Voice Live Prices: $- · Commitment Tiers – Standard: $- for 2,000 hourstext-to-speechvoice-cloning
DE

DeepSeek

Coding · DeepSeek R1, V3, V2, Coder V2, VL
7.3

Chinese AI lab shipping open-weight reasoning models that punch well above their API price.

Freemium· deepseek-v4-flash: 0.02元 (缓存命中) / 1元 (缓存未命中) / 2元 (输出) · deepseek-v4-pro: 0.025元 (缓存命中) / 3元 (缓存未命中) / 6元 (输出)reasoningcode-generation
KA

Kong AI Gateway

Agents · Multi-model
7.3

Enterprise API gateway extended to route, govern, and observe LLM and agent traffic across providers.

Freemium· Free trial: $0 · Plus: Charged per Gateway per month · Enterprise: Custom pricing · Essentials: $0 · Pro: $12llm-gatewaymulti-llm-routing
OP

OpenRouter

Coding · Multi-model
7.3

Unified API gateway to 400+ LLMs from 70+ providers, with one OpenAI-compatible endpoint and automatic failover.

Freemium· Pay-as-you-go credits; sample packs $10 and $99; some free-tier models availablellm-routingmulti-model-access
WL

WellSaid Labs

Audio · Proprietary WellSaid TTS (closed model)
7.3

Enterprise AI text-to-speech studio built on licensed voice-actor recordings, with a director-style editor for pacing and pronunciation.

Paid· Subscription plans (Maker/Team/Enterprise); free trial availablee-learning narrationcorporate training
AG

AgentMail

Agents
7.2

API-first email provider purpose-built for autonomous AI agents.

Freemium· Free: $0/month · Developer: $20/month · Startup: $200/month · Enterprise: Customagent-emailinbox-provisioning
LA

LOVO AI

Audio · Proprietary (LOVO Pro V2 voices)
7.2

Text-to-speech and voice cloning platform with 500+ voices, an integrated video editor, and a developer API.

Freemium· 14-day free Pro trial, no credit card; paid subscription tierstext-to-speechvoice-cloning
OL

Ollama

Coding · Multi-model (Llama, Qwen, Gemma, DeepSeek, Mistral, Phi, etc.)
7.2

The de facto runtime for running open-weights LLMs locally, now with a paid cloud tier for bigger models.

Freemium· Free local; Pro $20/mo; Max $100/molocal-llmself-hosted-inference
PA

Portkey AI Gateway

Agents · Multi-model (1,600+ LLMs)
7.2

Open-source AI gateway that routes a single API call across 1,600+ LLMs with caching, fallbacks, and observability.

Freemium· Developer: Free Forever · Production: $49/month · Enterprise: Custom Pricingllm-routingfallbacks-and-retries
VI

Vibe

Audio · OpenAI Whisper (via whisper.cpp)
7.2

Offline desktop transcription app powered by Whisper, with diarization, batch processing, and an HTTP API.

Free· Free and open-source (MIT)transcriptionsubtitles
HY

Hyperbrowser

Agents · Model-agnostic (BYO LLM)
7.1

Cloud browser infrastructure built for AI agents that need to scrape, click, and navigate the live web.

Freemium· Free developer tier; paid usage-based plansagent-browser-controlweb-scraping
AH

AI Horde (Stable Horde)

Image Generation · Stable Diffusion (SD 1.5, SDXL, community checkpoints) + open LLMs
7.0

Crowdsourced, volunteer-run cluster for free Stable Diffusion image and LLM text generation.

Free· Free; optional Kudos earned by donating GPU time or purchased via Patreontext-to-imageimg2img
DI

D-ID

Video · Proprietary face-animation + multi-model LLM/TTS
7.0

Talking-head avatar video generator with real-time conversational agents and a developer API.

Freemium· Free trial; tiered Studio plans + credit-based APItalking-avatar-videoai-presenters
IS

iSpeech

Audio
7.0

Veteran cloud TTS and speech recognition API with broad SDK and language coverage.

Freemium· Free mobile SDK for non-revenue apps; ~$0.0001-$0.05 per word/transactiontext-to-speechspeech-recognition
PR

Prompteams

Writing
7.0

Git-style version control and testing for LLM prompts, with auto-generated APIs that ship updates without redeploys.

Freemium· Starter: 100% Free · Enterprise: Customprompt-managementprompt-versioning
TE

TeamoRouter

Agents · Multi-model
7.0

Unified LLM gateway that brokers Claude, GPT, and Gemini through one API key with usage-based discounts.

Paid· Pay-as-you-go; rates from ~10% of model list price, avg ~19% hourly discountllm-routingmulti-model-access
AM

AI/ML API

Coding · Multi-model (GPT, Claude, Gemini, Grok, Nemotron, Qwen, etc.)
6.9

Unified API gateway exposing 500+ AI models behind one OpenAI-compatible endpoint.

Freemium· Pay-as-you-go from $20 prepaid credit; enterprise custommulti-model-routingprototyping
SI

SISIF

Video
6.9

REST API for programmatic text-to-video generation, optimized for short vertical social clips.

Freemium· Alpha Tester: $10 · Starter Pack: $50 · Pro Creator: $200text-to-videoshort-form social video
TR

TreeScale

Agents · Multi-model
6.9

No-code platform that wraps LLM prompt chains into deployable, integration-ready APIs.

Freemium· Free tier to publish first LLM app; paid tiers on topllm-api-deploymentprompt-chaining
WH

WhisperAPI

Audio · OpenAI Whisper
6.9

Hosted OpenAI Whisper transcription with a pay-as-you-go API and drop-in web dashboard.

Paid· 20 API Credits: $5 · 100 API Credits: $20 · 200 API Credits: $30 · Custom: $100.00audio-transcriptionvideo-subtitles
YC

You.com

RAG · Multi-model
6.9

Web search and research APIs purpose-built for LLMs and AI agents.

Freemium· Free trial; enterprise pricing on requestweb-search-apiagent-grounding
MR

MCP Registry

Agents
6.6

Official discovery registry for Model Context Protocol servers, with a browsable UI and a public API.

Free· Free and open sourcemcp-server-discoveryagent-tooling
BR

Browserbase

Agents · Model-agnostic via Model Gateway (OpenAI, Anthropic, Google, others)

Headless browser infrastructure for AI agents

Freemium· Start for Free: Free · Get Developer: $20 · Get Startup: $99 · Contact Sales: CustomAI web-browsing agentsLLM-driven end-to-end testing
CO

Composio

Agents · Model-agnostic (works with Claude, GPT-4o, Gemini, Llama, and other frontier and open-weights models via SDK integrations)

Auth, tools, and sandboxed execution for AI agents across 1,000+ apps

Freemium· Totally Free: $0 · Ridiculously Cheap: $29 · Serious Business: $229Customer support agent triaging Gmail and filing Linear ticketsSales agent updating HubSpot and posting to Slack
EM

Exa MCP Server

MCP Servers · Exa neural search index (in-house)

Web search, code search, and company research for AI assistants over MCP

Freemium· Free: $0 USD · Team: $4 USD per user/month · Enterprise: $21 USD per user/monthLive web search inside Claude DesktopRAG grounding for research agents
LA

Lakera

Evaluation · Proprietary in-house classifiers; model-agnostic (works in front of GPT-4o, Claude, Gemini, Llama, and custom LLMs)

Runtime security and guardrails for GenAI apps, agents, and RAG systems.

Freemium· Free community/developer tier at platform.lakera.ai; paid Enterprise plans (custom pricing, contact sales). No public price list.Prompt injection defense for chatbotsRAG guardrails against indirect injection
LG

LLM Gateway

Agents · Routes to GPT-4o, Claude 3.5 Sonnet, Gemini 1.5, Llama 3.1, Mistral, and 200+ others

One API, 200+ models, transparent pricing, and no vendor lock-in.

Freemium· Free: $0 · Enterprise: CustomMulti-provider LLM routingAutomatic failover between model vendors
ME

Meilisearch

RAG · Retrieval engine (Rust); pluggable embedders including OpenAI, Cohere, Hugging Face, Ollama and custom REST models

Open-source, lightning-fast search engine with built-in hybrid and vector search for RAG

Freemium· Cloud: $20/month · Usage-based: $30/month · Resource-based: $23/month · Instance: $18/monthE-commerce product searchDocumentation and knowledge base search
ME

Mem0

Agents · Model-agnostic — pluggable via OpenAI, Anthropic, Gemini, Ollama, LiteLLM (no in-house LLM)

Persistent memory layer for AI agents and LLM apps

Freemium· Hobby: Free · Starter: $19 · Pro: $249 · Enterprise: CustomLong-lived customer support copilotsPersonal AI companions and journaling agents
RE

Reducto

RAG · In-house vision models combined with frontier LLMs (specific vendors undisclosed)

Enterprise-grade document parsing and extraction with citation-grounded structured output

Freemium· Standard: $19 · Growth: $49 · Enterprise: Contact salesRAG ingestion of complex PDFsContract field extraction
SA

Stripe Agent Toolkit

MCP Servers

Stripe's official SDK and MCP server for wiring AI agents into payments, billing, and customer operations.

Free· Toolkit and MCP server are free (MIT). Underlying Stripe usage is billed at standard Stripe rates (typically 2.9% + 30 cents per successful card charge; billing/subscriptions and other products priced separately). LLM/model calls billed by your model provider.MCP server for Claude Desktop and CursorAI support agent that issues refunds
SU

Supabase

RAG

Open-source Firebase alternative built on Postgres with a first-class pgvector AI toolkit.

Freemium· Free: $0 · Pro: $25 · Team: $599 · Enterprise: CustomRAG chatbot backendsemantic document search