Deepgram Voice Agent API alternatives

Open automation and AI agent builder with 760+ integrations, MCP and API access, self-serve or self-hosted.

Cloud phone system with AI voice agents and CRM integrations.

No-code automation and embedded integration platform for connecting apps without code.

Cloud contact center and power dialer with unlimited calling and SMS, CRM integrations and an AI voice agent.

Web scraping and automation platform with thousands of ready-made scrapers (Actors), often used to pull lead and company data for agents.

Speech-to-text API provider with an all-inclusive Voice Agent API for building AI phone agents.

AI voice agents for inbound and outbound call campaigns, with agency and white-label plans.

AI GTM automation: build scrapers and agents that source, enrich and push leads to sheets and CRMs.

Multi-line predictive and power dialer, popular with real estate and outbound call teams, with voicemail drop and caller-ID tools.

Voice AI agents priced per minute.

Voice AI agent platform for building outbound and inbound calling agents, priced per minute.

Platform for building AI chat agents for websites and messaging channels, used for lead qualification and support.

AI phone agents that answer and make business calls, book appointments and run CSV call campaigns.

Cloud headless browsers and infrastructure for AI agents that browse and act on websites.

Cloud phone system with power and parallel dialers, call recording, CRM integrations and an AI voice agent add-on.

Call tracking and attribution with an AI voice assistant that answers and qualifies inbound calls.

Low-latency text-to-speech (Sonic) and speech-to-text models plus a platform for building voice agents.

Build AI chat agents trained on your content for website support and lead capture.

GTM data enrichment and workflow automation platform.

Cloud phone system for sales and support teams with power and parallel dialers and AI voice agents.

GTM AI platform with chat and workflow automation for prospecting research, outbound content and sales ops.

Multi-agent platform.

Voice AI agent platform for high-volume outbound and inbound calls, billed per second.

AI-powered business phone, sales dialer with real-time AI coaching, and contact center.

AI receptionist with inbound call answering plus outbound voice, SMS and website chat add-ons.

Platform for building company AI agents connected to internal data and tools, with 20+ frontier models.

Conversational voice agent platform from ElevenLabs, with plan-based call minutes.

AI phone agent platform for inbound and outbound calls, with white-label for agencies.

GTM workflow builder for enrichment and research, priced by credits with no per-seat fees.

AI phone agent for small businesses that answers calls, books work and captures leads.

Visit Goodcall ↗

Business phone numbers for calling and texting from phone, web and Google Workspace.

Virtual business phone number with calling, texting and voicemail on your existing mobile.

Describe a task you repeat and Gravity runs an expert-built agent for it automatically; aimed at non-technical users.

AI automation workflows and agents.

No-code integration platform with millions of ready-made one-click automations for 1,500+ apps.

AI marketing content platform with brand voice, agents and campaign workflows.

AI-powered calling, messaging and workflow automation.

Calling and texting platform with CRM automation.

AI parallel and power dialer platform for outbound sales teams.

Low-code automation and AI agent builder billed by execution time rather than by step, with JavaScript nodes.

No-code AI agents that automate tasks and integrate apps.

Open-source framework and cloud for building, deploying and scaling real-time voice and video AI agents.

Cloud phone system and call center with auto and predictive dialers.

No-code AI agent builder with 200+ models and pre-built agents for research and content workflows.

Power and triple-line dialer with a lead manager CRM and lead data, including real estate prospecting lists.

AI receptionist (Frontdesk) that answers calls and chats, books appointments and logs leads in a built-in CRM.

Visit My AI Front Desk ↗

Lightweight cold-calling CRM and power dialer for working through lead lists.

Workflow automation, self-hostable.

Cloud phone system and customer-experience platform with calling, messaging, contact center and an AI receptionist.

AI sales engagement with parallel dialing and coaching.

GTM context engine: stores positioning, personas and playbooks and powers messaging agents for outbound.

No-code AI voice agents for inbound and outbound calls, with workflows, calendar booking and an agency white-label plan.

No-code workflow automation that counts only action steps as tasks, sold as a lower-cost Zapier alternative.

Web research and search APIs for AI agents, with structured outputs and citations.

Cloud business phone service with unlimited minutes for small businesses.

Power dialer for outbound calling.

AI phone agent that answers calls, qualifies leads, books appointments and transfers to humans.

Developer platform for workflow automations and AI agent integrations across thousands of APIs.

Business phone system for calling and texting with shared numbers, AI call summaries and HubSpot and Salesforce integrations.

Cloud predictive dialer and call center software for high-volume outbound teams.

AI phone agents plus SMS, chat and email agents with a journey builder and telephony for consumer brands.

Platform for building AI agents and multi-agent workforces, incl. BDR agents.

AI phone agents priced per minute.

Cloud phone system with calling, SMS, meetings and an AI receptionist.

Cloud phone system with power dialer, AI call transcription and summaries, and CRM integrations.

AI answering service for small businesses that takes messages, books appointments and transfers calls.

AI parallel dialer with an AI assistant that builds lists, runs email and LinkedIn sequences and updates the CRM.

Salesforce platform for building and deploying AI agents.

Done-for-you AI phone agent that answers calls, books appointments and takes messages.

Voice AI agent platform with its own speech models, priced per minute by model stack.

Enterprise voice AI agents.

No-code AI voice agent builder billed per second at a flat per-minute rate.

Cloud contact center with voice, digital channels, AI agents and workforce management.

AI workspace for building AI agents, automations and simple apps alongside projects and docs.

Web search and extraction API built for AI agents and LLM apps.

Real-time conversational AI video agents and personalized video generation via API.

Carrier-owned voice AI agent platform with telephony, speech and LLM inference on one invoice.

Voice AI for inbound conversion with SMS, email and workflows.

Embedded power and parallel sales dialer with live coaching.

AI receptionist for small businesses and a white-label voice AI platform for agencies.

Cloud communications API; ConversationRelay connects your own LLM to live calls with speech handled by Twilio.

Speech-native voice AI model and platform for real-time voice agents, priced per minute.

Unified API for LinkedIn, email, WhatsApp and calendar accounts, used by teams building outreach tools and AI agents.

AI receptionist that answers calls 24/7, sends call summaries and connects to calendars and CRMs.

Developer platform for building voice AI agents.

Business phone system (VBC) with mobile and desktop apps, SMS, meetings and call recording.

Workflow automation with AI agents.