SSealbook

Developer Tools & APIs

Sealbook lists 4,084 Developer Tools & APIs products. Common specialties: AI app builder, Web scraping API, PDF generation API, Screenshot API, Cloud infrastructure. Most vendors are based in United States (914), United Kingdom (86), Germany (74), Canada (42). 3,539 have a feature-by-feature check from their own website and 1,737 publish plan prices. Ranked by how widely known each product is and how much we could confirm — vendors cannot pay for position.

Ask the AI for a pick

Nimbic AI

Code documentation

AI documentation and code analysis for developers.

🇺🇸 United StatesAll sizes

OpenTools

LLM tool API

API for LLM tool use and MCP servers.

🇺🇸 United StatesAll sizes4 confirmed features

Pairio

Machine maintenance

AI maintenance assistant for industrial teams.

🇩🇪 GermanyAll sizes

Payload

Headless CMS

Headless CMS and app framework built with TypeScript and React.

🇺🇸 United StatesAll sizes5 confirmed features

Ravion

AWS platform ops

AWS infrastructure and deploy management in your own account.

🇺🇸 United StatesAll sizes8 confirmed features

Pinch

Dubbing API

API for dubbing video and audio into 10 languages.

🇪🇸 SpainAll sizes3 confirmed features

Ardent

Database branching

Database branching for coding agents.

🇺🇸 United StatesAll sizes6 confirmed features

Feyn

Custom model training

Train custom models on your data and improve in production.

🇺🇸 United StatesAll sizes

Veria Labs

Autonomous pentesting

Autonomous pentesting for attack-surface testing.

🇺🇸 United StatesEnterprise1 confirmed features

HEO

Non-Earth imaging

Software and services for non-Earth imaging.

🇦🇺 AustraliaEnterprise

Bracket

Two-way data syncs

Two-way syncs between business tools and databases.

🇺🇸 United StatesAll sizes

21st

UI components

React components, templates, and themes for builders.

🇺🇸 United StatesAll sizes2 confirmed features

83 Sciences

Materials AI platform

Platform for turning experimental data into materials discoveries.

🇺🇸 United StatesAll sizes

a0.dev

AI app builder

Build and publish mobile apps with AI.

🇺🇸 United StatesAll sizes2 confirmed features

Aemon

AI research engineering

AI research system for technical problems and codebases.

🇺🇸 United StatesAll sizes

Alex

Xcode AI coding

AI coding assistant for Xcode and Swift developers.

🇺🇸 United StatesAll sizes1 confirmed features

Alkera

Agentic data platform

Collaborative data platform for humans and agents.

🇺🇸 United StatesEnterprise3 confirmed features

ArchiLabs

AI CAD assistant

AI teammate for Revit, AutoCAD, and design workflows.

🇺🇸 United StatesAll sizes1 confirmed features

Armature

Agent observability

Tools to get coding agents discovered, used, and evaluated.

🇫🇷 FranceAll sizes3 confirmed features

Aspect

Media asset storage

Media storage and review for creative teams.

🇺🇸 United StatesAll sizes7 confirmed features

Atrisa

Analog design AI

AI copilot for analog circuit design and debugging.

🇺🇸 United StatesAll sizes

Automorphic

Model infrastructure

Infrastructure for self-improving language models.

🇺🇸 United StatesAll sizes

Bilanc

Engineering analytics

AI analysis for engineering productivity.

🇺🇸 United StatesAll sizes

boat

AI sandboxes

Persistent Linux sandboxes for agents.

🇫🇷 FranceAll sizes6 confirmed features

BootLoop

Firmware testing

AI platform for firmware and embedded software.

🇺🇸 United StatesAll sizes1 confirmed features

Bytebot

Desktop agents

Desktop agents that use computers like humans.

🇺🇸 United StatesAll sizes

Composal

Browser agents

Browser agents that test real user flows.

🇬🇧 United KingdomAll sizes3 confirmed features

Compresr

Context compression

LLM context compression API for long prompts.

🇺🇸 United StatesAll sizes4 confirmed features

Cua

Shared computers

Shared computers for teams and computer-use agents.

🇺🇸 United StatesAll sizes6 confirmed features

CueBench

RL environments

Builds reinforcement learning environments for scientific reasoning.

🇺🇸 United StatesAll sizes

Dalus

MBSE software

Model-based systems engineering software for hardware teams.

🇺🇸 United StatesEnterprise2 confirmed features

Expand

Web extraction API

API for fetching and crawling rendered web pages.

🇺🇸 United StatesAll sizes4 confirmed features

Fastshot

AI mobile builder

AI builder for iOS and Android apps.

🇬🇷 GreeceAll sizes1 confirmed features

Firecrawl

Web data API

Web data API for AI agents and developers

🇺🇸 United StatesAll sizes9 confirmed features

Adri AI

SAP AI development

AI partner for SAP development and ERP migrations

🇺🇸 United StatesEnterprise2 confirmed features

Hestus

CAD autocomplete

AI copilot for Autodesk Fusion sketching.

🇺🇸 United StatesAll sizes

hoop.dev

AI runtime controls

Runtime controls for AI agents and infrastructure access.

🇧🇷 BrazilAll sizes2 confirmed features

Human Behavior

Session analytics

AI session replay and actioning for product teams.

🇺🇸 United StatesAll sizes1 confirmed features

Hypercubic

Mainframe modernization

Agentic AI for COBOL and mainframe modernization.

🇺🇸 United StatesEnterprise3 confirmed features

Inkbox

Agent identity layer

Identity and communication layer for AI agents.

🇺🇸 United StatesAll sizes6 confirmed features

Kalpa Labs

Text to speech

Audio models and text-to-speech API for developers.

🇺🇸 United StatesAll sizes2 confirmed features

Kenobi

Design system generation

Turn any URL into a design system.

🇬🇧 United KingdomAll sizes

Lightsprint

AI software factory

Shared workspace for building on codebases.

🇺🇸 United StatesAll sizes7 confirmed features

Maritime

Persistent agent hosting

Hosts AI agents in persistent micro-VMs.

🇺🇸 United StatesAll sizes6 confirmed features

Miso Labs

Voice models API

Voice foundation models for building voice agents.

🇺🇸 United StatesAll sizes4 confirmed features

MSPilot

AI agent platform

AI platform for MSPs to build and monetize agents.

🇺🇸 United StatesSMBs3 confirmed features

Other categories