Skip to main content
NeuronFeed

TAG

#API-first

60 AI startups tagged "API-first"

Snyk

GB est. 2015

The AI Security Fabric for securing code, models, and agents in the age of AI-driven development.

Raised
$1.3B
Stage
S-G
88

Anthropic

US est. 2021

AI safety lab building Claude — a helpful, harmless, honest AI assistant.

Raised
$132.6B
Stage
S-H
85

OpenAI

US est. 2015

Creator of ChatGPT, GPT-4, and the leading frontier AI lab.

Raised
$193.3B
Stage
S-E
83

DataRobot

US est. 2012

The only unified agent workforce platform built for enterprise outcomes, not endless pilots.

Raised
$1.1B
Stage
S-G
83

Flexport

US est. 2013

AI-powered logistics for the real world, automating your supply chain from factory floor to customer door.

Raised
$2.8B
Stage
S-F
82

Runware

GB est. 2023

One API for fast generative AI inference

Raised
$66M
Stage
S-A
81

ElevenLabs

GB est. 2022

The most realistic AI voices for creators, developers, and enterprise.

Raised
$922M
Stage
S-D
77

Lemonade

US est. 2015

Forget everything you know about insurance: instant everything, incredible prices, and a big heart.

Raised
$480M
Stage
IPO
76

Outreach

US est. 2014

AI sales execution platform for outbound at enterprise scale.

Raised
$489M
Stage
S-G
76

Tines

IE

The intelligent workflow platform to securely scale AI and automation, integrating agents, teams, and tools with speed and control.

Raised
$146.2M
Stage
S-B
74

Pecan AI

IL est. 2018

Predictive analytics platform with AI-generated SQL models.

Raised
$117M
Stage
S-C
74

Hugging Face

US est. 2016

The AI community building the future of machine learning.

Raised
$970M
Stage
S-E
72

Vectra AI

US

Cybersecurity AI that stops attacks others can’t by revealing who's doing what on your network right now.

Raised
$425M
Stage
S-F
72

EliseAI

US est. 2017

Conversational AI assistant for property management and leasing.

Raised
$390M
Stage
S-E
72

Moonshot AI

CN est. 2023

Maker of Kimi — the long-context AI chatbot.

Raised
$3B
Stage
S-C
71

Notion AI

Verified
US est. 2013

Connected AI workspace

Raised
$270M
Stage
SECONDARY
71

Persona

US

Persona provides flexible and secure identity verification solutions for businesses to verify real people and real businesses online.

Raised
$417.5M
Stage
S-D
71

Speechmatics

GB

Speech APIs powering Voice AI with low-latency speech-to-text for multilingual, multi-speaker conversations.

Raised
$140M
Stage
S-B
70

Multiverse Computing

ES

Pioneering the era of efficient and secure AI by empowering organisations to run production-ready AI with tailored solutions.

Raised
$250M
Stage
S-B
70

Skyflow

US

Skyflow provides runtime AI data control, securing sensitive data across datastores, models, and AI agents.

Raised
$137.5M
Stage
S-B
70

Picsart

US est. 2011

The AI creative platform for 130M+ creators, turning any idea into scroll-stopping content.

Raised
$195M
Stage
S-C
70

Paradox

US

Conversational AI hiring software that automates tasks and streamlines the entire recruitment process.

Raised
$232M
Stage
S-C
70

Mercury

US est. 2017

Radically different online business banking for startups, small businesses, and scaling companies.

Raised
$700M
Stage
S-D
70

Mistral AI

Verified
FR est. 2023

Open and efficient foundation models

Raised
$6.3B
Stage
Debt
69

Synthesia

GB est. 2017

AI video creation platform with realistic avatars.

Raised
$802.4M
Stage
S-E
68

Grammarly

US est. 2009

AI writing assistant for individuals and teams.

Raised
$1.2B
Stage
GROWTH
68

MiniMax

IPO
CN est. 2021

Chinese AI lab behind Hailuo video and Talkie companions.

Raised
$2.2B
Stage
IPO
68

Apollo.io

US est. 2015

AI-powered sales engagement platform with 275M+ contacts.

Raised
$251M
Stage
S-D
68

Cognism

GB est. 2015

Premium B2B prospecting data with mobile numbers and intent signals.

Raised
$123.5M
Stage
S-C
68

Mabl

US est. 2017

Low-code intelligent test automation for web, mobile, and API.

Raised
$76.1M
Stage
S-C
68

Pricefx

US est. 2011

Cloud-native pricing optimization with AI rebate management.

Raised
$131M
Stage
S-C
67

Phaidra

US

AI agents for AI factories, optimizing complex power, cooling, and workload management systems to maximize tokens per watt.

Raised
$75M
Stage
S-B
66

Nscale

Verified
GB est. 2024

European sovereign AI infrastructure

Raised
$3.1B
Stage
S-C
65

FuriosaAI

Powerfully efficient AI inference for enterprise and cloud with high-performance LLM and multimodal deployment capabilities.

64

ZoomInfo

US est. 2007

B2B contact and intent data with AI-powered prospecting.

64

Decagon

Verified
US est. 2023

AI agents that actually solve customer problems

Raised
$546M
Stage
S-D
63

Databricks

Verified
US est. 2013

The data + AI company

Raised
$5.6B
Stage
S-L
62

Leonardo.Ai

AU est. 2022

AI-powered creative suite for image and video generation.

Raised
$31M
Stage
ACQUISITION
61

Augment Code

US est. 2022

AI agents that understand your entire codebase, from IDE to CLI to code review.

Raised
$252M
Stage
S-B
61

DeepL

DE est. 2017

AI solutions for accurate text, file, and voice translation, and business task automation.

Raised
$415M
Stage
S-C
60

Manus

US

Manus brings AI to businesses worldwide, offering less structure and more intelligence for various tasks.

Stage
ACQUIRED
60

Modular

US

A unified AI inference platform for high-performance, portable compute, enabling full optimisations from GPU kernel to API endpoint.

60

Browserbase

Browserbase makes the web as reliable and programmable as APIs for your AI agents.

60

Tessl

The package manager for agent skills and context, enabling consistent behaviour across tools and projects.

60

E2B

The Enterprise AI Agent Cloud provides open-source, secure environments with real-world tools for enterprise-grade AI agents.

60

LALAL.AI

AI-powered vocal remover and instrumental isolator for audio and video files.

60

EvolutionaryScale

Frontier AI for the life sciences, enabling scientists to understand, imagine, and create proteins.

60

Picovoice

The only all-in-one on-device voice AI platform already deployed at scale for enterprises.

60

Truora

CO

Securely connect businesses and people, facilitating access to digital services and improving customer relationships.

60

DeepJudge

CH

Precision AI Search for legal teams, instantly accessing your firm's full institutional knowledge.

60

Translated

IT

Professional language solutions for your business, crafted by experts, powered by technology, and delivered efficiently.

60

Firecrawl

The API to search, scrape, and interact with the web at scale, powering AI agents with clean web data.

60

Apify

Full-stack web scraping and data extraction platform for AI applications and agents.

60

ScrapingBee

The best web scraping API to avoid getting blocked, handling headless browsers, rotating proxies, and offering AI-powered data extraction.

60

Argil

Generate high-performing videos with your AI clone or choose from engaging avatars for promotion, education, and entertainment.

60

AKOOL

Turn ideas into reality with a premium Gen AI video suite for marketing, training, and communication.

60

Hi Marley

US

The insurance ecosystem communicates with clarity, speed, and ease through intelligent messaging.

60

Async

The only AI Video Editor you need to create and edit videos effortlessly by chatting with AI.

60

Vendr

Don't overpay for software. Get real market pricing and negotiation execution built on $15B+ in verified spend data.

60

MOSTLY AI

Unlock the power of data with a platform for secure access, high-quality synthetic data generation, and seamless data analysis.

60