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Top Rated AI Agent Builder Software with Api - Page 5

Last updated: November 2026

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110 software options

Sierra logo
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AI-powered customer experience platform

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Sierra is an AI-powered platform for building and deploying conversational agents across channels. Its Ghostwriter tool creates multilingual, production-ready agents from documents or plain instructions. Sierra supports deployment via chat, SMS, WhatsApp, email, voice, and ChatGPT, with analytics for monitoring performance and interactions.

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Onpilot logo
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AI agent platform for workflow automation

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Onpilot is an AI agent platform that connects to enterprise systems including ERPs, CRMs, support tools, and APIs to automate business workflows. The platform features multi-tenant deployment options, human-in-the-loop approval workflows, and security controls with audit logging and granular permissions. Onpilot integrates with tools such as Salesforce, Slack, Microsoft Teams, and Jira, and can be deployed as white-label agents within websites, dashboards, or messaging platforms.

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Cloudax Connect logo
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Cloud conversational AI for enterprise contact centres

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Cloud-based conversational AI platform for enterprise contact centres, handling inbound and outbound voice interactions across.

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Browserbase logo
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AI agent web automation infrastructure

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Browserbase provides browser automation infrastructure that enables AI agents to interact with websites through real browser sessions. The platform offers search and fetch APIs for web data retrieval, browser-as-a-service capabilities for complex interactions, and scalable sandboxed runtime environments for agent deployments. It includes authentication handling, observability tools for debugging, and open-source frameworks like Stagehand for browser automation tasks.

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Glytos logo
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Voice and chat AI agents for every channel

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Voice and chat AI agents for phone, SIP trunks, web chat, WhatsApp, Instagram and Messenger, with AI post-call analysis.

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Realm logo
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AI workspace for revenue team enablement

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Realm is an AI workspace platform designed for revenue teams that converts sales collateral, product documentation, and CRM data into AI agents. The platform automates RFP responses, generates customer-ready documents, and provides enterprise search capabilities across knowledge bases. Features include RFP automation, AI-powered document drafting, lead qualification, deal reviews, and integration with tools like Salesforce, Notion, and HubSpot.

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Rayven logo
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Unified platform for operational AI and automation

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Rayven is a cloud, on-premise, or edge-deployable platform combining integration, real-time data, AI, automation, and custom.

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Conveya logo
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AI agents for chat, WhatsApp and phone support

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Conveya is an AI agent builder for customer contact. Build and deploy an AI agent that answers from your knowledge base, takes real actions through custom REST actions, and runs across live chat, WhatsApp and phone. Native integrations, EU hosting, live in about 30 minutes. No code.

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aiXplain logo
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AI agent platform for enterprise deployment

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aiXplain is an enterprise AI platform enabling organizations to design, deploy, and govern mission-critical AI agents. It offers flexible development via code-based SDKs, APIs, or no-code visual tools, plus an integrated marketplace of large language models, tools, and pre-built agents. It supports on-premises deployment in air-gapped environments and includes enterprise-grade governance features like granular access controls, audit trails, and compliance enforcement with SOC 2 certification.

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Flowise logo
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Platform for building AI agents and workflows

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Flowise is an open-source generative AI development platform that enables users to build AI agents and agentic systems through a visual interface. The platform offers modular building blocks for creating multi-agent systems, chatbots, and chat assistants with features including workflow orchestration, tool calling, and knowledge retrieval from various data sources. Flowise supports integration through APIs, SDKs, and embedded chat widgets, and includes execution traces with observability tools.

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