T

Twilio

TWLO

Application

Cloud-communications API platform whose AI Assistants and voice agents run customer engagement, IVR and contact-centre workflows for the businesses built on its programmable messaging and voice APIs.

Total funding—

Market cap$36.5B

Employees5,587

Founded2008

HeadquartersSan Francisco, USA

StatusPublic

Products

Selected offerings — the AI products recorded here, not the vendor's full catalogue.

• AI Assistants Agent platform

  Framework for building customer-aware autonomous assistants across voice and messaging channels, with built-in customer memory, tool-calling, a managed RAG knowledge pipeline and safety guardrails.

• Conversation Relay API service Sold on its own

  Voice AI service that bridges a Twilio phone call to a developer's own LLM over a WebSocket, handling speech-to-text, text-to-speech, interruption handling and language detection.

• Conversation Memory API service Sold on its own

  Service that extracts observations from customer conversations across channels into identity-resolved profiles and exposes them to AI and human agents through a semantic-search recall API.

• Conversation Intelligence API service Sold on its own

  Applies prebuilt and custom language operators to live and recorded voice and messaging conversations to produce transcripts, sentiment, intent, summaries and agent-performance signals.

• Twilio Agent Connect Developer tool

  MIT-licensed Python SDK that acts as middleware between a developer's own LLM agent runtime and Twilio Voice, messaging channels, Conversation Memory and Conversation Orchestrator.

• Conversation Orchestrator Platform Sold on its own

  Engine that connects a customer's interactions across voice, SMS, RCS, WhatsApp, chat and other channels into one continuous conversation, so AI agents, workflows and human teams work from a shared context.

• Twilio Flex Application Sold on its own

  Composable AI-assisted contact-center platform that orchestrates escalation from automated self-service to human agents across voice, SMS, WhatsApp and email.

Inside Twilio Conversation Memory

• Enterprise Knowledge API service Included with the parent

  Managed knowledge store that ingests an organization's policies, documents and reference material and serves grounded retrievals to AI agents and human responders inside Twilio Conversations.

Inside Twilio Flex

• Twilio Agent Copilot Application Included with the parent

  Generative-AI assistant inside Twilio Flex that gives contact-center agents customer context, live suggested responses via "Ask Copilot," and AI-generated wrap-up notes with sentiment and disposition codes.

Inside Twilio Segment

• Predictions Data service Paid add-on to the parent

  Predictive machine-learning traits in Twilio Segment that score customer profiles for likelihood to purchase, likelihood to churn, predicted lifetime value and custom goals, and turn those scores into audiences.

Closest alternatives 1

LLivePersonAcquired3 of 11 capabilitiesShared product typeNamed in filingHandle customer support conversationsCompare

Similar products 107

How this list is ranked ↗

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smaller scale (public).3 of 11 capabilitiesShared product typeSmaller scaleCompareFForethoughtPrivate · $115M raisedTwilio Agent Copilot and Forethought Agentic AI Copilot do comparable work on customer support; both also serve buyers who need to handle customer support conversations; similar scale (private).4 of 11 capabilitiesShared product typeCompareDDecagonPrivate · $4.5BTwilio Agent Copilot and Decagon Chat do comparable work on customer support; both also serve buyers who need to handle customer support conversations; smaller scale (private).5 of 11 capabilitiesShared product typeSmaller scaleCompareYYellow.aiPrivateTwilio Agent Copilot and Agent Assist do comparable work on customer support; both also serve buyers who need to handle customer support conversations; Yellow.ai's scale not recorded.5 of 11 capabilitiesShared product typeCompareZZendeskPrivate · $10.2BTwilio Agent Copilot and Zendesk Workforce Management do comparable work on customer support; both also serve buyers who need to handle customer support conversations; smaller scale (private).7 of 11 capabilitiesShared product typeSmaller scaleCompareCCrestaPrivate · $1.6BTwilio Agent Copilot and Cresta Agent Assist do comparable work on customer support; both also serve buyers who need to handle customer support conversations; smaller scale (private).7 of 11 capabilitiesShared product typeSmaller scaleCompareAAmazonPublic · $2.8TEnterprise Knowledge and Amazon Kendra do comparable work on vector search; larger scale (public).9 of 11 capabilitiesShared product typeLarger scaleCompareHHaptikAcquired ($112M deal)Twilio Agent Copilot and Smart Agent Chat do comparable work on customer support; both also serve buyers who need to handle customer support conversations; Haptik is acquired, with no independent scale.3 of 11 capabilitiesShared product typeCompareVSVerint SystemsAcquiredConversation Intelligence and Verint Da Vinci AI and Bots do comparable work on customer support, speech to text and summarization; both also serve buyers who need to handle customer support conversations and turn speech into text; Verint Systems is acquired, with no independent scale.7 of 11 capabilitiesShared product typeCompareFFreshworksPublic · $3.4BConversation Orchestrator and Freddy AI do comparable work on customer support; both also serve buyers who need to handle customer support conversations; smaller scale (public).6 of 11 capabilitiesShared product typeSmaller scaleCompareCCartesiaPrivateConversation Relay and Sonic / Ink do comparable work on speech to text and text to speech; both also serve buyers who need to create synthetic voice and audio and turn speech into text; Cartesia's scale not recorded.2 of 11 capabilitiesShared product typeCompareCCrescendoPrivate · $500MTwilio Agent Copilot and Crescendo Concierge do comparable work on customer support; both also serve buyers who need to handle customer support conversations; smaller scale (private); ships AI agent rather than the same layer.2 of 11 capabilitiesDifferent layerSmaller scaleCompareFFive9Public · $2.7BTwilio Agent Copilot and Five9 Genius AI do comparable work on customer support; both also serve buyers who need to handle customer support conversations; smaller scale (public).2 of 11 capabilitiesShared product typeSmaller scaleComparePParloaPrivate · $3BTwilio Agent Copilot and Parloa AMP do comparable work on customer support; both also serve buyers who need to handle customer support conversations; smaller scale (private); ships AI agent rather than the same layer.2 of 11 capabilitiesDifferent layerSmaller scaleCompareZZoomPublic · $28.7BTwilio Agent Copilot and Zoom Workforce Management do comparable work on customer support; both also serve buyers who need to handle customer support conversations; same layer and the same scale band (mid-cap).9 of 11 capabilitiesShared product typeSame scale bandCompareEElevenLabsPrivate · $11BAI Assistants and ElevenLabs Agents do comparable work on customer support and voice agent; both also serve buyers who need to create synthetic voice and audio and handle customer support conversations; smaller scale (private).5 of 11 capabilitiesShared product typeSmaller scaleCompareAAdaPrivateTwilio Agent Copilot and Ada AI Agent do comparable work on customer support; both also serve buyers who need to handle customer support conversations; Ada's scale not recorded; ships AI agent rather than the same layer.1 of 11 capabilitiesDifferent layerCompareSSierraPrivate · $15.8BTwilio Agent Copilot and Channels do comparable work on customer support; both also serve buyers who need to handle customer support conversations; smaller scale (private).5 of 11 capabilitiesShared product typeSmaller scaleCompareFFinAcquired ($3.6B deal)Twilio Agent Copilot and Copilot do comparable work on customer support; both also serve buyers who need to handle customer support conversations; Fin is acquired, with no independent scale.5 of 11 capabilitiesShared product typeCompareMMicrosoftPublic · $3.7TConversation Orchestrator and Microsoft Copilot Studio do comparable work on customer support; both also serve buyers who need to handle customer support conversations; larger scale (public).9 of 11 capabilitiesShared product typeLarger scaleCompareIIBMPublic · $216.6BAI Assistants and IBM Watson Assistant do comparable work on customer support and voice agent; both also serve buyers who need to create synthetic voice and audio and handle customer support conversations; larger scale (public).9 of 11 capabilitiesShared product typeLarger scaleCompareOOraclePublic · $454.4BAI Assistants and Oracle Digital Assistant do comparable work on customer support and voice agent; both also serve buyers who need to create synthetic voice and audio and handle customer support conversations; larger scale (public).9 of 11 capabilitiesShared product typeLarger scaleCompareKKore.aiPrivateAI Assistants and Artemis do comparable work on customer support; both also serve buyers who need to handle customer support conversations; Kore.ai's scale not recorded.2 of 11 capabilitiesShared product typeCompareYYandexPublicConversation Relay and Yandex SpeechKit do comparable work on speech to text, text to speech and voice agent; both also serve buyers who need to create synthetic voice and audio and turn speech into text; Yandex's scale not recorded.7 of 11 capabilitiesShared product typeComparePPegasystemsPublic · $6.1BTwilio Agent Copilot and Pega Customer Service do comparable work on customer support; both also serve buyers who need to handle customer support conversations; smaller scale (public).6 of 11 capabilitiesShared product typeSmaller scaleCompareSServiceNowPublic · $130.1BTwilio Agent Connect and AI Agents do comparable work on customer support and voice agent; both also serve buyers who need to create synthetic voice and audio and handle customer support conversations; larger scale (public).6 of 11 capabilitiesShared product typeLarger scaleCompareAAtlassianPublic · $48.2BTwilio Agent Copilot and Customer Service Management do comparable work on customer support; both also serve buyers who need to handle customer support conversations; same layer and the same scale band (mid-cap).7 of 11 capabilitiesShared product typeSame scale bandCompareKKrispPrivateTwilio Agent Copilot and Krisp Agent Assist do comparable work on customer support; both also serve buyers who need to handle customer support conversations; Krisp's scale not recorded.4 of 11 capabilitiesShared product typeCompareCCiscoPublic · $433.3BTwilio Agent Copilot and Cisco IQ do comparable work on customer support; larger scale (public).7 of 11 capabilitiesShared product typeLarger scaleCompareSSalesforcePublic · $196.1BConversation Orchestrator and Agentforce Service do comparable work on customer support; both also serve buyers who need to handle customer support conversations; larger scale (public).6 of 11 capabilitiesShared product typeLarger scaleCompareCCerencePublic · $384.9MConversation Relay and Cerence Voice Lab do comparable work on speech to text and text to speech; both also serve buyers who need to create synthetic voice and audio and turn speech into text; smaller scale (public).4 of 11 capabilitiesShared product typeSmaller scaleCompareEEliseAIPrivate · $384M raisedTwilio Agent Copilot and VoiceAI do comparable work on customer support; both also serve buyers who need to handle customer support conversations; similar scale (private).3 of 11 capabilitiesShared product typeCompareXXiao-iPublicConversation Orchestrator and Xiao-i cognitive intelligence platform do comparable work on customer support; both also serve buyers who need to handle customer support conversations; smaller scale (public).3 of 11 capabilitiesShared product typeCompareHHubSpotPublic · $13BPredictions and HubSpot AEO do comparable work on marketing content; same layer and the same scale band (mid-cap).7 of 11 capabilitiesShared product typeSame scale bandCompareKHK HealthPrivate · $380M raisedTwilio Agent Copilot and PatientGPT do comparable work on customer support; both also serve buyers who need to handle customer support conversations; similar scale (private).1 of 11 capabilitiesShared product typeCompareKKlaviyoPublic · $5.5BTwilio Agent Copilot and Klaviyo Customer Agent do comparable work on customer support; both also serve buyers who need to handle customer support conversations; smaller scale (public).3 of 11 capabilitiesShared product typeSmaller scaleCompareMmonday.comPublic · $3.9BTwilio Agent Copilot and monday service do comparable work on customer support; both also serve buyers who need to handle customer support conversations; smaller scale (public).4 of 11 capabilitiesShared product typeSmaller scaleCompareVSVeeva SystemsPublic · $45.5BTwilio Agent Copilot and Veeva Ostro do comparable work on customer support; both also serve buyers who need to handle customer support conversations; same layer and the same scale band (mid-cap).6 of 11 capabilitiesShared product typeSame scale bandCompareCAContextual AIPrivate · $100M raisedEnterprise Knowledge and Contextual AI RAG Component APIs do comparable work on vector search; similar scale (private).4 of 11 capabilitiesShared product typeCompareAAdobePublic · $115.9BConversation Memory and Adobe Brand Concierge do comparable work on customer support; both also serve buyers who need to handle customer support conversations; larger scale (public).8 of 11 capabilitiesShared product typeLarger scaleCompareUUniphorePrivate · $2.5BConversation Relay and Self-Service Agent do comparable work on customer support, speech to text and voice agent; both also serve buyers who need to create synthetic voice and audio, handle customer support conversations and turn speech into text; 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both also serve buyers who need to create synthetic voice and audio, handle customer support conversations and turn speech into text; NAVER Cloud's scale not recorded.7 of 11 capabilitiesShared product typeCompareFRFurhat RoboticsPrivateConversation Relay and Furhat robot do comparable work on speech to text, text to speech and voice agent; both also serve buyers who need to create synthetic voice and audio; Furhat Robotics's scale not recorded.3 of 11 capabilitiesShared product typeCompareAHAssort HealthPrivate · $1.2BConversation Orchestrator and Assort Concierge do comparable work on customer support; both also serve buyers who need to handle customer support conversations; smaller scale (private); ships AI agent rather than the same layer.3 of 11 capabilitiesDifferent layerSmaller scaleCompareSSpeakPrivate · $162M raisedConversation Relay and Speak do comparable work on speech to text and voice agent; both also serve buyers who need to create synthetic voice and audio and turn speech into text; similar scale (private).2 of 11 capabilitiesShared product typeCompareWWorkdayPublic · $49.3BTwilio Agent Copilot and Workday Paradox Conversational ATS do comparable work on customer support; both also serve buyers who need to handle customer support conversations; same layer and the same scale band (mid-cap).5 of 11 capabilitiesShared product typeSame scale bandCompareAAbridgePrivate · $5.3BConversation Intelligence and Abridge do comparable work on speech to text and summarization; both also serve buyers who need to turn speech into text; smaller scale (private).2 of 11 capabilitiesShared product typeSmaller scaleCompareGGranolaPrivate · $1.5BConversation Intelligence and Granola do comparable work on speech to text and summarization; both also serve buyers who need to turn speech into text; smaller scale (private).3 of 11 capabilitiesShared product typeSmaller scaleCompareVVectaraPrivateEnterprise Knowledge and Vectara RAG-as-a-service platform do comparable work on vector search; Vectara's scale not recorded.2 of 11 capabilitiesShared product typeCompareLLinagoraPrivateConversation Intelligence and LinTO do comparable work on speech to text and summarization; both also serve buyers who need to turn speech into text; Linagora's scale not recorded.3 of 11 capabilitiesShared product typeCompareWFWispr FlowPrivate · $2BConversation Intelligence and Wispr Flow Notetaker do comparable work on speech to text and summarization; both also serve buyers who need to turn speech into text; smaller scale (private).2 of 11 capabilitiesShared product typeSmaller scaleCompareAAlvariaPrivateConversation Orchestrator and Alvaria Intelligence Platform (AIP) do comparable work on customer support; Alvaria's scale not recorded.2 of 11 capabilitiesShared product typeComparePPlayAIPrivateConversation Relay and Play.ht do comparable work on text to speech; both also serve buyers who need to create synthetic voice and audio; PlayAI's scale not recorded.1 of 11 capabilitiesShared product typeCompareSShopifyPublic · $196.7BPredictions and Campaign Autopilot do comparable work on marketing content; 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both also serve buyers who need to create synthetic voice and audio; WellSaid Labs's scale not recorded.1 of 11 capabilitiesShared product typeCompareWWriterPrivate · $1.9BPredictions and WRITER Playbooks do comparable work on marketing content; smaller scale (private).4 of 11 capabilitiesShared product typeSmaller scaleCompareTTencentPublic · $510.1BEnterprise Knowledge and Tencent Cloud VectorDB do comparable work on vector search; larger scale (public).8 of 11 capabilitiesShared product typeLarger scaleCompareHHeyGenPrivate · $500MConversation Relay and HeyGen Video Translator do comparable work on text to speech; both also serve buyers who need to create synthetic voice and audio; smaller scale (private).1 of 11 capabilitiesShared product typeSmaller scaleCompareCCanvaPrivate · $42BPredictions and Canva Grow do comparable work on marketing content; similar scale (private).4 of 11 capabilitiesShared product typeCompareAHAmbience HealthcarePrivate · $1.3BConversation Intelligence and Ambience do comparable work on speech to text and summarization; smaller scale (private).2 of 11 capabilitiesShared product typeSmaller scaleCompareCCopy.aiAcquired ($13.9M deal)Predictions and Copy.ai Brand Voice do comparable work on marketing content; Copy.ai is acquired, with no independent scale.5 of 11 capabilitiesShared product typeCompareRRunwayPrivate · $5.3BPredictions and Runway Agent do comparable work on marketing content; smaller scale (private).3 of 11 capabilitiesShared product typeSmaller scaleCompareTTypefacePrivatePredictions and Typeface Arc Graph do comparable work on marketing content; Typeface's scale not recorded.3 of 11 capabilitiesShared product typeCompareRAResemble AIPrivateConversation Relay and Resemble Intelligence do comparable work on speech to text; both also serve buyers who need to turn speech into text; Resemble AI's scale not recorded.3 of 11 capabilitiesShared product typeCompareGGammaPrivate · $2.1BPredictions and Gamma do comparable work on marketing content; smaller scale (private).1 of 11 capabilitiesShared product typeSmaller scaleCompareWWritesonicPrivatePredictions and Writesonic Content Agent do comparable work on marketing content; Writesonic's scale not recorded.3 of 11 capabilitiesShared product typeCompareDDuolingoPublic · $7.3BConversation Intelligence and Duolingo English Test do comparable work on speech to text; both also serve buyers who need to turn speech into text; smaller scale (public).2 of 11 capabilitiesShared product typeSmaller scaleCompareAAlphabet (Google)Public · $4.2TTwilio Agent Copilot and Gemini Enterprise for Customer Experience do comparable work on customer support; both also serve buyers who need to handle customer support conversations; larger scale (public).9 of 11 capabilitiesShared product typeLarger scaleCompareOOtter.aiPrivateConversation Intelligence and OtterPilot do comparable work on speech to text; both also serve buyers who need to turn speech into text; Otter.ai's scale not recorded.1 of 11 capabilitiesShared product typeCompareAAhrefsPrivatePredictions and Letaido do comparable work on marketing content; Ahrefs's scale not recorded.3 of 11 capabilitiesShared product typeCompareXxAIAcquired ($230B deal)Conversation Relay and Grok Voice do comparable work on speech to text, text to speech and voice agent; both also serve buyers who need to create synthetic voice and audio and turn speech into text; xAI is acquired, with no independent scale.5 of 11 capabilitiesShared product typeCompareSStepFunPrivate · $10BConversation Relay and 阶跃星辰 AI Studio (StepFun AI Studio) do comparable work on speech to text, text to speech and voice agent; both also serve buyers who need to create synthetic voice and audio and turn speech into text; smaller scale (private).6 of 11 capabilitiesShared product typeSmaller scaleCompareHAHume AIPrivateConversation Relay and Empathic Voice Interface (EVI) do comparable work on text to speech and voice agent; both also serve buyers who need to create synthetic voice and audio; Hume AI's scale not recorded.3 of 11 capabilitiesShared product typeCompareMAMistral AIPrivate · $13.8BConversation Relay and Mistral Speech do comparable work on speech to text, text to speech and voice agent; both also serve buyers who need to create synthetic voice and audio and turn speech into text; smaller scale (private).4 of 11 capabilitiesShared product typeSmaller scaleCompareQQdrantPrivateEnterprise Knowledge and Qdrant do comparable work on vector search; Qdrant's scale not recorded.2 of 11 capabilitiesShared product typeCompareDDatabricksPrivate · $190BEnterprise Knowledge and Databricks AI Search do comparable work on vector search; larger scale (private).5 of 11 capabilitiesShared product typeLarger scaleCompareHCHuawei CloudPrivateConversation Memory and Question Answering Bot (QABot) do comparable work on customer support; both also serve buyers who need to handle customer support conversations; Huawei Cloud's scale not recorded.5 of 11 capabilitiesShared product typeCompareSSnowflakePublic · $116BEnterprise Knowledge and Cortex Search do comparable work on vector search; larger scale (public).5 of 11 capabilitiesShared product typeLarger scaleComparePProfoundPrivatePredictions and Profound AI Marketer do comparable work on marketing content; Profound's scale not recorded.3 of 11 capabilitiesShared product typeCompareFAFireworks AIPrivate · $17.5BConversation Intelligence and Fireworks Speech Recognition do comparable work on speech to text; both also serve buyers who need to turn speech into text; smaller scale (private).2 of 11 capabilitiesShared product typeSmaller scaleCompareLLlamaIndexPrivateEnterprise Knowledge and LlamaIndex Index do comparable work on vector search; LlamaIndex's scale not recorded.3 of 11 capabilitiesShared product typeCompareSASarvam AIPrivate · $275M raisedConversation Relay and Sarvam Text to Speech do comparable work on text to speech; similar scale (private).5 of 11 capabilitiesShared product typeCompareEEvenUpPrivate · $2BTwilio Agent Connect and EvenUp Communication Agents do comparable work on voice agent; smaller scale (private).2 of 11 capabilitiesShared product typeSmaller scaleCompareAAssemblyAIPrivate · $115M raisedConversation Relay and AssemblyAI Universal Speech-to-Text API do comparable work on speech to text; both also serve buyers who need to turn speech into text; similar scale (private).1 of 11 capabilitiesShared product typeCompareLLightOnPublic · $29.6MEnterprise Knowledge and LightOn API do comparable work on vector search; smaller scale (public).3 of 11 capabilitiesShared product typeSmaller scaleCompareCClickUpPrivate · $4BConversation Intelligence and Brain² do comparable work on summarization; smaller scale (private).5 of 11 capabilitiesShared product typeSmaller scaleCompareEElasticPublic · $10.2BConversation Memory and Elastic Agent Builder do comparable work on vector search; same layer and the same scale band (mid-cap).5 of 11 capabilitiesShared product typeSame scale bandCompareEElicitPrivate · $100MConversation Intelligence and Elicit do comparable work on summarization; smaller scale (private); ships AI agent rather than the same layer.2 of 11 capabilitiesDifferent layerSmaller scaleCompareCCoherePrivate · $7BEnterprise Knowledge and Compass do comparable work on vector search; smaller scale (private).4 of 11 capabilitiesShared product typeSmaller scaleCompareRRedisPrivateEnterprise Knowledge and Redis Query Engine do comparable work on vector search; Redis's scale not recorded.1 of 11 capabilitiesShared product typeCompareMPMeta PlatformsPublic · $1.5TTwilio Agent Copilot and Meta Business Agent do comparable work on customer support; both also serve buyers who need to handle customer support conversations; larger scale (public).4 of 11 capabilitiesShared product typeLarger scaleCompareOOpenAIPrivate · $852BConversation Relay and OpenAI API do comparable work on speech to text and text to speech; both also serve buyers who need to create synthetic voice and audio and turn speech into text; larger scale (private).6 of 11 capabilitiesShared product typeLarger scaleCompareSESamsung ElectronicsPublic · $1.2TConversation Relay and Bixby do comparable work on speech to text and voice agent; both also serve buyers who need to create synthetic voice and audio and turn speech into text; larger scale (public).2 of 11 capabilitiesShared product typeLarger scaleCompareNNVIDIAPublic · $5.1TConversation Relay and NVIDIA Riva do comparable work on speech to text and text to speech; larger scale (public).5 of 11 capabilitiesShared product typeLarger scaleCompareMMiniMaxPublic · $12.6BConversation Relay and MiniMax Audio do comparable work on text to speech; both also serve buyers who need to create synthetic voice and audio; same layer and the same scale band (mid-cap).2 of 11 capabilitiesShared product typeSame scale bandCompareSAStability AIPrivate · $495.9MTwilio Agent Connect and Stability AI Platform API both serve buyers who need to create synthetic voice and audio; smaller scale (private).1 of 11 capabilitiesShared product typeSmaller scaleCompareTTolokaPrivatePredictions and Tendem do comparable work on marketing content; Toloka's scale not recorded.4 of 11 capabilitiesShared product typeCompare

Closest alternatives are pairs a vendor page itself compares. Similar products are matched from what each product does; nothing in that group is asserted as a rivalry.

Sources

Market cap

Third-party database · 28 Aug 2026

Market capitalisation read from stockanalysis.com's overview page.

Employees

Third-party database · 28 Aug 2026

Employee count read from stockanalysis.com's overview page.

Founded

Wikipedia · 29 Aug 2026

Incorporated in Delaware, March 2008.

Revenue (TTM)

Third-party database · 28 Aug 2026

Trailing-twelve-month revenue read from stockanalysis.com's overview page.

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