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List of 48,048 SaaS with API Access

Discover SaaS products that provide developer API documentation and access. Find software solutions with public APIs you can integrate into your applications.

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API Access: Yes
Proof of Human Logo
This platform utilizes advanced behavioral AI to verify human users in real time, seamlessly detecting and preventing fraud, bots, and malicious actors without causing user friction or requiring intrusive verification methods such as CAPTCHAs. Key features include privacy-preserving continuous behavioral analysis based on peer-reviewed research, rapid and effortless integration into websites, scalability for high traffic volumes, explainable insights for decision-making, and robust security that ensures user trust and compliance. It targets industries such as market research, financial services, ticketing, and online platforms seeking to improve data quality, maintain user trust, ensure operational integrity, and combat sophisticated AI-generated threats effectively.
Behavioral Analytics
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Esig Logo
This digital signing platform facilitates efficient electronic document signing, contract management, and workflow automation, enabling organizations to send, track, and collect signatures seamlessly. It offers key features such as customizable templates, bulk sending, API integrations, automated reminders, audit trails, and multi-device signing, thereby resolving delays caused by manual paperwork, email exchanges, and paper-based processes. This tool is designed for teams across diverse industries—including real estate, healthcare, legal, finance, and education—seeking to streamline agreement workflows, ensure legal compliance, enhance productivity, and improve operational efficiency.
Document Management & eSignature Tools
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CausalTrading Logo
This system functions as an integrated control platform for real-time trading signal routing, execution, and AI orchestration, enabling traders and quants to automate complex strategies with high responsiveness and precision. It features a unified dashboard that seamlessly connects live market alerts, custom indicators, and agent flows, solving problems related to latency, market volatility, and rapid adaptive decision-making in high-frequency trading environments, making it ideal for professional traders, quantitative analysts, and algorithmic trading teams seeking fast, reliable, and customizable automation solutions.
Pricing: $0-$15/mo
The monthly pricing range for this SaaS product. Prices are normalized to monthly amounts where possible.
Stock Trading & Brokerage Platforms
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Cipher Tools Logo
This software tool automates large-scale account creation, management, and verification across multiple popular websites by generating and controlling hundreds of tasks simultaneously, each utilizing its own proxy and automatically reading verification codes from email inboxes. It features an intuitive dashboard that displays real-time success metrics, throughput, and detailed run summaries, enabling users to efficiently oversee multi-threaded operations, monitor performance, and troubleshoot issues; it is designed for professionals, marketers, or developers who require scalable, reliable, and streamlined account automation solutions while maintaining control over proxies, profiles, and data files.
Sales Automation Software
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Engraphy Logo
Engraphy is a specialized memory management system designed to enhance AI agents by providing a durable, organized, and intelligent storage solution for their learned information. Its main features include deduplication of facts through non-destructive merging, semantic search that matches facts based on meaning and exact terms, graphical linking of related memories to form interconnected knowledge graphs, multi-tenant data isolation enforced by database security, and version control that preserves the history of fact changes over time; it is suitable for developers and organizations seeking to integrate persistent, clean, and meaningful memory capabilities into AI applications that require high-quality, scalable, and private information management within self-hosted environments.
Mapping & Geographic Information Platform (GIS)
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MessagePilot Logo
This platform streamlines multi-channel business communication by enabling users to send and manage SMS, WhatsApp, Email, and Telegram messages through a unified dashboard and API, facilitating customer outreach, automated replies, and conversation tracking. It addresses challenges such as message delivery, spam prevention, and integration complexities, making it ideal for businesses seeking efficient, scalable, and reliable customer engagement solutions across various messaging platforms.
SMS & Text Messaging API
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Venari Logo
Venari is an advanced customer relationship management (CRM) platform designed to streamline real estate workflows by integrating artificial intelligence to automate tasks, manage deals, and improve communication for licensed agents, teams, and firms. Its key features include voice-activated activity logging, automated task creation and scheduling, AI-assisted drafting and responses, document analysis, lead capture, transaction tracking, and comprehensive activity summaries, all while ensuring data security and compliance with fair housing standards. This platform addresses common problems faced by real estate professionals such as manual data entry, disorganized communication, inefficient task management, and oversight in transaction details, making it ideal for real estate agents and teams seeking a smart, all-in-one solution to enhance productivity, accuracy, and client engagement.
Real Estate CRM & Lead Management
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SoarTask Logo
A comprehensive SEO operations platform designed to transform raw search engine optimization data into actionable tasks, facilitate efficient task management, and measure tangible outcomes. It offers features such as data integration from various sources (like analytics, crawling, and search console), real-time performance tracking, clear task assignment with deadlines, and outcome validation through continuous measurement, thereby solving problems related to disconnected workflows, lack of accountability, and unverified results. This solution is ideal for SEO teams, digital marketing professionals, and website managers seeking to streamline their optimization processes, improve collaboration, and ensure measurable success.
Local SEO Software
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SyBox Logo
This platform consolidates multiple WhatsApp Business accounts into a centralized management system, enabling teams to handle customer conversations collaboratively through features like a unified inbox, real-time synchronization, and role-based access control. It provides advanced functionalities such as automated message routing, CRM integration, multilingual support, AI-powered voice transcription and translation, no-code workflow automation, and detailed analytics, offering an efficient, scalable, and secure solution for customer support, sales, and enterprise communication teams seeking seamless multi-channel customer engagement and operational oversight.
SMS & WhatsApp Marketing Tools
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Equated Logo
This comprehensive financial management system automates accounting processes by consolidating invoicing, expense tracking, bank reconciliation, and financial reporting into a single platform, reducing manual entry and administrative overhead. Its key features include seamless integrations with payment gateways, payroll, banking services, and e-commerce platforms, along with AI-powered automation, real-time transaction categorization, and customizable dashboards, enabling small businesses and accountants to save time, ensure accuracy, and simplify bookkeeping. It addresses common challenges such as tedious receipt chasing, reconciliation errors, and high CPA costs, making financial management more efficient, accurate, and accessible for entrepreneurs, accounting professionals, and small-to-midsize enterprises.
Pricing: $49-$649/mo
The monthly pricing range for this SaaS product. Prices are normalized to monthly amounts where possible.
Accounting Software
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