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Alternatives to SignalWire

Research overview

10 alternatives

  1. 1Build and deploy voice AI agents for customer service and communications

    Plivo

    Communication APIs

    Both SignalWire and Plivo offer voice AI agent platforms with per-minute pricing ($0.16/min for SignalWire vs $0.03/min for Plivo excluding telephony). Plivo focuses on no-code agent builder and SIP trunking, while SignalWire emphasizes integrated STT/LLM/TTS with built-in memory. They overlap in voice agent capabilities but differ in architecture and included features.

    Free planFree trialSOC 2HIPAAPCI DSSGDPR
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    Vendor sources: signalwire.com [1]plivo.com [2]

    Last verified
  2. 2CPaaS (Communications Platform as a Service)

    Fuze

    Unified Communications as a Service

    Enterprise cloud communications platform with global voice, video, messaging, and contact center for distributed organizations.

    Queue and call routing managementCustomer portal and self service
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  3. 3CPaaS (Communications Platform as a Service), Communication APIs

    Kaleyra

    CPaaS (Communications Platform as a Service)

    Enterprise cloud communications platform providing SMS, voice, WhatsApp, video, and chatbot solutions for banking, healthcare, and retail industries.

    Free trialSMS MarketingCommunication APIs
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  4. 4CPaaS (Communications Platform as a Service), AI Agents

    Whippy AI

    CPaaS (Communications Platform as a Service)

    AI-powered communication platform for businesses with SMS, voice, and team messaging.

    AI powered candidate screening and recruitment automationOmnichannel messaging and communicationWorkflow automation and sequences

    Price$200+ / month

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  5. 5CPaaS (Communications Platform as a Service), Communication APIs

    Exotel

    CPaaS (Communications Platform as a Service)

    Cloud telephony and communications platform offering voice, SMS, and contact center for businesses.

    Free trialISO 27001Tiered plansUnified CommunicationsOmnichannel Support

    Price$33+ / month

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  6. 6CPaaS (Communications Platform as a Service), Business Process Management

    Syniverse

    CPaaS (Communications Platform as a Service)

    Mobile messaging and communications CPaaS for enterprises and carriers worldwide.

    Usage-basedBusiness MessagingBusiness Process Management
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  7. 7CPaaS (Communications Platform as a Service), Communication APIs

    Bird

    CPaaS (Communications Platform as a Service)

    Omnichannel communication platform formerly MessageBird providing messaging, voice, and email APIs.

    Free planFree trialTiered plansCustomer Communication ManagementCommunication APIs

    PriceUsage-based

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  8. 8CPaaS (Communications Platform as a Service)

    Star2Star

    Unified Communications as a Service

    Sangoma's full-spectrum communications solution with voice, video, chat, and fax.

    Single vendor communications consolidation

    Price$25.99+ / seat / month

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  9. 9CPaaS (Communications Platform as a Service), Communication APIs

    Voxbone

    CPaaS (Communications Platform as a Service)

    Global CPaaS voice provider (acquired by Bandwidth) offering coverage in 65+ countries via SIP trunks.

    ISO 27001SOC 2GDPRCCPAHIPAAUsage-based
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  10. 10CPaaS (Communications Platform as a Service), Communication APIs

    Infobip

    CPaaS (Communications Platform as a Service)

    Omnichannel communications platform with SMS, WhatsApp, voice, email, and CPaaS for global enterprises.

    SMS API with pay as you go pricingEmail API with global pricingWhatsapp business API with conversation based pricing
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