Twilio
Cloud communications and customer engagement software for businesses.
Available information varies by company and source.
Profile record updated:
Company facts
- Official name
- TWILIO INC.
- Entity type
- COMPANY
- Founded
- 2008
- Headquarters
- 101 Spear Street, Fifth Floor, San Francisco, California 94105
- Company size
- >5,000
- Market role
- MarTech Vendor
- Ticker
- TWLO
- Official website
- twilio.com
What Twilio does
Twilio operates a B2B cloud software and communications infrastructure model. It supplies programmable APIs and software platforms that businesses integrate into their own products, workflows and customer operations. Value is created by abstracting telecom and messaging complexity, providing scalable delivery infrastructure, and bundling adjacent engagement capabilities such as email, CDP, orchestration, contact centre tooling and verification. Revenue comes from recurring software relationships, but a large portion is tied directly to customer usage volumes across messaging, voice, email and verification.
Category differentiation
Twilio is not a telecom carrier, DSP or consumer messaging app. It is a B2B cloud communications and customer engagement platform sold to developers and enterprises.
Strategic context
AI-supported assessment from the existing company research; distinguish interpretation from sourced facts.
Twilio is a public US software company that provides cloud communications infrastructure and customer engagement software to businesses. Its core products let developers and enterprises embed messaging, voice, video, email, authentication and conversational interfaces into applications, while adjacent products such as Segment and Engage help marketing, data and product teams unify customer data and run cross-channel engagement programmes. The company makes money through a mix of usage-based API charges and software subscriptions. Its direct customers are businesses rather than end users, especially developers, engineering teams, enterprises, marketers, contact centre operators, security teams and data teams. Twilio has broadened from CPaaS into customer data, email delivery, journey orchestration, contact centre and identity, partly through acquisitions.
Company news briefing
Briefing updated:
Twilio rallied to a 52-week high following robust Q2 2026 earnings, reporting $1.5 billion in revenue driven by accelerating AI customer spend and self-serve voice growth, which prompted the company to raise its full-year organic revenue guidance to 13-13.5%. The strong results contrasted with broader software sector volatility and positioned Twilio favourably amid evolving enterprise software debates. Technically, the firm proceeded with the removal of the conference_participant field from Voice Insights on August 1, 2026, transitioning customers to dedicated Conference Insights APIs.
Business model & monetisation
Twilio primarily monetises through usage-based pricing across communications APIs and identity services, charging per message, minute, conversation, verification and related telecom usage. It also charges recurring SaaS-style fees for products such as Segment, Engage and Flex, with free tiers, paid plans, enterprise contracts, seat-based or volume-based pricing depending on product. Additional monetisation includes phone number rental, carrier pass-through charges, surcharges and volume-based enterprise agreements.
- Communications APIs for messaging, voice, video and telephony
- Usage-based API pricing
- Email delivery infrastructure
- Subscription and usage-based pricing
- Customer data platform and journey orchestration
- SaaS subscription and enterprise contracts
- Contact centre platform
- Seat-based or usage-based software pricing
- Verification and identity services
- Per-verification transactional pricing
Products & capabilities
No products with linked sources are available in this view.
Products & market categories
Competitors & alternatives
- Sinch
Business communications platform for messaging, email, voice and verification.
- Klaviyo
Customer data and marketing automation software for ecommerce brands.
- Acquire
Omnichannel customer support software with chat, voice and video.
- Infobip
Global CPaaS and customer engagement platform for enterprises.
Side-by-side comparisons
Subsidiaries & acquisitions
- Segment
Customer data platform for collection, unification and activation.
- SendGrid
Cloud email delivery and marketing platform for businesses.
Recent recorded signals
Dates refer to the source publication. Older entries are historical context, not evidence of a new event.
Twilio Traffic Optimization Engine Launched
Recorded impact score: 2/5
Twilio announces the launch of the Traffic Optimization Engine, a new product to prioritize messages at scale.
Bird Raises $450M Debt, Cuts Headcount to 120
Financials · Recorded impact score: 4/5
Bird, the business communications platform formerly known as MessageBird, has raised $450 million in debt financing led by JP Morgan, Capital One, and Citi. The funding includes a $400 million term loan and a $50 million revolving credit facility, with seven banks participating. The proceeds will provide liquidity to existing shareholders, including current and former employees. The company has drastically reduced its headcount from over 1,000 at its peak to 120, driven by automation and a strategic pivot toward AI. Bird is focusing on its AI Agentic Harness platform, which enables AI agents to communicate via SMS, calls, and email. The company reported $165 million in profits last year.
- Bird raised $450 million in debt financing led by JP Morgan, Capital One, and Citi.
- The financing comprises a $400 million term loan and a $50 million revolving credit facility.
SMS Delivery Status Polling for Waitlist Outage Alerts
SMS delivery and status polling for outage alerts · Recorded impact score: 1/5
The article advises that teams should only rely on an SMS API for critical outage alerts if their backend can poll delivery status and own retry, escalation, cancellation, and timing logic. Delivery reliability and timing constraints drive the design: define service-level objectives, record four reliability invariants (application-owned send IDs, bounded/idempotent retries, defined next actions per delivery state, and incident recovery that suppresses obsolete alerts), and treat providers as transport adapters. The author shortlists Twilio, Vonage, Sinch, and Infrai for evaluation, provides load-testing guidance, and includes a runnable Python example that polls SMS status, honors Retry-After, and applies backoff. The recommended architecture keeps durable incident state in the application and makes provider polling a replaceable adapter.
- Choose an SMS API for critical outage alerts only if the backend can poll delivery status and implement retry, escalation, cancellation, and timing logic.
- Four reliability invariants: application-owned identifier per send; bounded and idempotent retries; every delivery state must map to a defined next action; incident recovery must stop obsolete alerts.
Backend-Owned SMS OTP: Cooldowns and Attempt Caps
Identity · Recorded impact score: 2/5
This technical blog post explains best practices for implementing passwordless phone logins using SMS OTPs in an Express/Node.js backend. It argues that the backend must own resend cooldowns, verification attempt counters, and anti-abuse policies (not the client), model the authentication state machine (ready → code_sent → verified/expired/locked), persist minimal authoritative state, use atomic database transitions, emit single transition events for observability, and use idempotency keys and retry/backoff handling when calling providers. Provider choices (Twilio, Firebase, Auth0, Amazon SNS, Infrai) are discussed with trade-offs between managed verification and owning template/state-machine responsibilities.
- The article recommends the Express/Node.js backend should own SMS OTP resend cooldowns, maximum verification attempts, and anti-abuse counters rather than trusting the client.
- Designs should expose explicit states: send-code, verify-code, resend-code, and lockout; persist minimal authoritative state (challenge ID, phone identity, expiry, next-send time, counters, lockout).
How to Build Voice AI for Inbound Calls
Conversational AI · Recorded impact score: 2/5
This technical how-to shows how to build an automated inbound call voice AI that qualifies leads and books meetings without custom telephony code. It describes a 5-step workflow using Vapi (voice AI agent hosting and TTS), Twilio (inbound phone number and SIP forwarding), n8n (workflow orchestration/webhooks), Calendly (scheduling via API), and optionally HubSpot (CRM storage). The guide includes an example Vapi agent JSON, Twiml configuration to stream calls to sip.vapi.ai, an n8n webhook flow to map fields and call Calendly, testing steps, and common production pitfalls such as rate limits, token expiry, Twilio SIP misconfiguration, and TTS latency. The article is a practical blueprint for automating lead capture and scheduling via voice channels.
- Vapi is used as the Voice AI platform that hosts the conversational model and performs voice synthesis; agents can be created via POST to https://api.vapi.ai/v1/agents.
- Twilio provides the inbound phone number and SIP forwarding; the guide instructs creating a Twiml Bin that dials sip:AGENT_ID@sip.vapi.ai to stream calls to Vapi.
Explore company relationships
Questions about Twilio
What is Twilio?
Twilio is a B2B cloud software company that provides APIs and software for messaging, voice, email, customer data, contact centre and verification use cases.
Who uses Twilio?
Its users include developers, engineering teams, enterprises, marketers, CRM teams, data teams, security teams and contact centre operators.
How does Twilio make money?
Twilio makes money mainly from usage-based charges on communications and verification services, plus recurring software fees for products such as Segment, Engage, SendGrid and Flex.
Sources & coverage
This profile uses public, official and technically observable information. Missing information does not prove that a product or relationship does not exist. The list below does not imply that every profile statement has been verified.
23 publicly documented primary sources and citations linked across the market graph.
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