Developer Tools & APIs

Semantic Scholar

Research discovery

AI-powered search for scientific literature

SendRaven

Email API

Email infrastructure for AI agents over API or MCP.

SendX

Email marketing

Email marketing software with campaigns, automation, and deliverability tools.

Sensra

Cloud server management

Cloud server management with deployments, monitoring, and domain setup.

Seqera

Bioinformatics platform

Bioinformatics platform for pipelines, data, and teams.

Sequin

API database sync

Real-time bidirectional sync between APIs and databases.

Serply

Search API

Google search data API for AI applications.

Serveo

Remote tunneling

Expose local servers to the internet with SSH.

Sflow

AI support tools

AI tools for support, development, and analytics.

SheetDB

Spreadsheet API

Turn Google Sheets into a JSON REST API.

Sherlo

Visual testing

Visual regression testing for React Native.

Shipfox

Agent workflows

Run recurring engineering work with coding agents.

Shorten.REST

URL shortener API

REST API for branded URL shortening

Shotpipe

Screenshot API

Hosted screenshot and OG image API

Sign.Plus

E-signatures

Legally binding electronic signatures and signing API.

SimpleRestore

MySQL restore

Restore MySQL backups to remote databases.

Sisif

AI video generation

Turn text prompts into short AI videos.

Sitesure

Website monitoring

Monitors websites, APIs, TCP services, and background jobs.

Skylight

Ruby performance profiler

Performance profiling for Ruby and Rails apps.

Skypack

JavaScript package CDN

Optimized npm package delivery for web apps.

Smart Grow

Mobile app security

Build, sign, ship, and run mobile apps from one platform.

SmartForms

Form backend service

Form submission handling without backend code.

Smart Parse

CSV API mapper

Connect CSV data to any API in minutes.

SMTPfast

Transactional email API

Transactional email API with delivery logs and webhooks.

SnapDeploy

Docker hosting platform

Deploy Docker containers on AWS with builds, SSL, and domains.

SnapEnv

Secrets management

Secure environment variables for development teams.

snill.ai

No-code business apps

Build business systems through conversation.

SocialCrawl

Social scraping API

One API for scraping social media platforms.

SOTI MobiControl

Device management

Enterprise mobility software for managing mobile hardware.

Spaceflight News API

Space news API

API for adding space news to applications.

Spacelift

IaC orchestration

Infrastructure orchestration platform for engineers.

SpaceTraders API

Programming game API

Space-themed game played through HTTP endpoints.

Spinbot

Text rewriting API

Article rewriting and extraction tools.

Split

Feature flags

Feature flags and experimentation platform.

SportsDataIO

Sports data feeds

Live sports data API and feeds for developers.

Squidex

Headless CMS

Open source headless CMS with an API

Stability AI

Generative media

Generative AI tools for audio, image, video, and 3D

Stargate Apps

monday.com integrations

Integrations for monday.com teams

Statically

CDN for repositories

CDN for Git repositories and npm packages

Staxa

Multi-tenant platform

Provision isolated stacks for each customer

SteamGPT

Steam data API

Steam profile API for apps and agents

Stellate

GraphQL edge API

Edge caching, metrics, and security for GraphQL APIs.

sthan.io

Address verification API

APIs for US address verification, parsing, autocomplete, and geocoding.

Stoplight

API design tooling

Design, document, and mock APIs in one platform.

Stormkit

App hosting platform

Self-hostable platform for deploying and running web apps.

Sunor

Music generation API

API for AI music and audio generation.

Sunrise and Sunset

Sunrise time API

Sunrise, sunset, twilight, and moon data by city.

Suprsonic

Unified agent API

One API for search, media, and agent capabilities.