Niche — API
API-first startups
API-first companies and integration platforms turning capability into a paid endpoint.
- Groq
The fastest inference on the planet
- Replicate
Run AI models with a cloud API
- Retool
Build internal tools remarkably fast
- Raycast
Your shortcut to everything on your Mac
- Tinybird
Real-time analytics APIs at any scale
- Notion
The connected workspace where teams get work done
- Cal.com
Open-source scheduling for everyone
- Resend
Email for developers, done right
- Pitch
Collaborative presentation software for teams
- Mercury
Banking for ambitious companies
- Airwallex
Global financial infrastructure for modern businesses
- Novu
Open-source notification infrastructure for developers
- Stainless
Quality SDKs for your REST API
- Browserbase
Headless browser infrastructure for AI agents
- Exa AI
Neural search API designed for AI applications
- Firecrawl
Web scraping API built for LLMs
- Fireworks AI
Fast, affordable LLM inference API
- Baseten
ML model deployment platform for production teams
- Xata
Serverless database platform built on Postgres
- Chroma
Open source AI-native embedding database
- LiveKit
Open source WebRTC and real-time AI infrastructure
- Nango
Open source platform for product integrations
- Stytch
Flexible authentication APIs for every use case
- Recall AI
Universal API to capture data from any meeting
- n8n
Open source workflow automation with 400+ integrations
- Activepieces
Open source business automation platform
- Windmill
Open source developer platform for scripts and workflows
- Merge
Unified API for HR, ATS, CRM, and accounting integrations
- Airbyte
Open source data integration platform
- Prefect
Workflow orchestration for data and ML teams
- BentoML
Unified AI model serving and deployment framework
- ReJot
We turn complex API integrations into drop-in full-stack libraries
- Lepton AI
Pythonic cloud for AI applications
- Stainless
Auto-generate idiomatic SDKs from your API
- Speakeasy
Enterprise-grade SDKs and API tooling
- Zuplo
Programmable API gateway for developer teams
- Hoppscotch
Open source API development ecosystem
- Semgrep
Code security and static analysis at dev speed
- ReadMe
Beautiful, interactive API documentation
- Scalar
Beautiful open source API references and clients
- Rows
The spreadsheet with superpowers and integrations
- Pennylane
AI-powered accounting software for SMEs
- AnythingLLM
The all-in-one open source AI desktop application
- Agno
Open source framework for multi-modal AI agents
- Beam
Serverless infrastructure for AI and ML workloads
- Twenty
Open source CRM built for modern teams
- Typebot
Open source chatbot builder with powerful logic
- Trieve
Search infrastructure with hybrid retrieval for AI apps
- Treblle
API observability and developer experience platform
- Requestly
Browser extension and proxy for API mocking and testing
- OpenStatus
Open source monitoring and status page platform
- Ollama
Run large language models locally
- OpenRouter
Unified API for every major LLM
- Portkey
AI gateway and LLMOps platform for production
- DeepL
The world's most accurate AI translator
- Vapi
Voice AI infrastructure for developers
- Deepgram
Speech AI for real-time transcription and voice agents
- AssemblyAI
Audio intelligence API for developers
- Axiom
Serverless log management and event data platform
- Knock
Flexible notification infrastructure for developers
- Courier
Multi-channel notifications API for product teams
- Directus
Open-source data platform and headless CMS
- Appsmith
Open-source low-code platform for internal tools
- Budibase
Low-code platform for building internal apps fast
- NocoDB
Open-source Airtable alternative on your database
- Baserow
Open-source no-code database and Airtable alternative
- WunderGraph
API integration platform and GraphQL federation
- Stitch
Payments and financial data API for Africa
- Infisical
Open-source secret management platform
- Drata
Continuous security compliance automation
- Escape
API security testing and DAST for developers
- Gorgias
Helpdesk built specifically for ecommerce brands
- Patch
Carbon removal and climate project infrastructure
- Mux
Video infrastructure API for developers
- api.video
Video API for uploading, encoding, and streaming
- Mastra
The TypeScript framework for building AI agents
- 1Password
The most trusted password manager for teams
- Gigs
Launch a mobile service that runs itself
- Enode
One API to connect and control any energy device
- Stedi
The programmable healthcare EDI clearinghouse
- Slash
Business banking built for internet entrepreneurs
- Vesta
API-first mortgage infrastructure for modern lenders
- Fun
Global stablecoin payments for modern fintechs
- Adept
AI that takes actions in software on your behalf
- Chromatic
Visual testing and review for UI components
- Shortcut
Project management software that developers love
- Column
A nationally chartered bank built for developers
- LanceDB
Multimodal vector database for AI
- MinIO
High-performance S3-compatible object storage
- Strapi
The leading open-source headless CMS
- KeystoneJS
The superpowered Node.js headless CMS
- Mattermost
Open source Slack alternative for developers
- Flagsmith
Feature flags and remote config for any platform
- Flipt
Enterprise-ready, open source feature management
- Unleash
The enterprise open source feature management solution
- Saleor
Open source GraphQL-first e-commerce platform
- Bytebase
Database DevOps and CI/CD for teams
- Open WebUI
ChatGPT-style UI for any LLM
- LiteLLM
Call 100+ LLMs with one interface
- OpenLIT
Open source LLM observability and evaluation
- Flowise
Drag-and-drop UI to build LLM flows
- Langflow
Visual framework for building multi-agent AI apps
- Bruno
Open source IDE for exploring APIs
- tldraw
A tiny little drawing app and SDK
- Outline
Fast, collaborative, wiki-style knowledge base
- Memos
Lightweight, self-hosted memo hub
- GlitchTip
Open source error tracking
- OpenObserve
Open source observability with 140x lower storage costs
- OpenBB
Open source investment research terminal
- NetBird
Zero-trust networking built on WireGuard
- Composio
Integration platform for AI agents
- SuperAgent
Open source AI agent platform
- Postal
Full-featured open source mail delivery server
- Mautic
Open source marketing automation platform
- Peach
API-first loan management platform
- Ngrok
Ngrok
- Cake AI
Cake AI
- Finch
Finch
- Pin
AI-powered recruitment platform
- Paragon
Embedded integration platform for SaaS
- Finmid
Embedded financing solutions for SMBs
- Alloy Automation
Embedded iPaaS platform for product teams
- Array
Embedded finance products platform
- Pulse
Production-grade unstructured document extraction
- Parafin
Embedded finance infrastructure for SMBs
- Pliant
Corporate card platform
- StackOne
Ship hundreds of integrations in days
- Sent
Unified API for messaging
- Fern
Instant docs and SDKs for your API
- Leen
Unified API for security tools and data
- Rutter
Connecting the world's business data
- Radical AI
aAccelerating materials R&D
- Rillet
The AI-native ERP
- Pylon
The support platform built for B2B
- Merge
One API to 100s of integrations
- Syenta
High-performance semiconductor chips
- Inkeep
AI support you can trust
- Farel
Airline on autopilot
- Symbiotic
Universal staking platform
- Polars
DataFrames for the new era
- Reducto
Document ingestion API
- Flow
The Agile Requirements Management Platform
- Inference
Inference
- Fragment
Ledger API for financial products
- Poolside
Frontier research to operational intelligence
- Speakeasy
Generate MCP servers & SDKs from OpenAPI
- Legend
Your gateway to decentralized finance
- Langdock
The AI platform for your company
- LGND
ChatGPT for the Earth
- Junction
Modernizing healthcare infrastructure
- Medra
Physical AI integrated in your lab
- Runware
One API for all AI
- Truffle Security
Unearth your secrets
- Mytra
Automated robotic storage
- RunPod
Deploy full-stack AI applications
- Anvil
Document SDK for product teams
- Boxo
Turn apps into Super Apps
- Defacto
B2B lending platform
- Doorstep
Predictive delivery intelligence platform
- Stuut
Turn your orders into cash
- Kernel
Browser infra for web agents and automations
- Supermemory
Universal memory API for AI apps