Bandwidth

Unify voice, messaging, emergency communications, and integrations on one platform to build and manage communications across global networks.

Gives enterprises control over global voice connectivity, call flows, and integrations while simplifying migrations and avoiding vendor lock-in.

Start building and testing voice, SIP trunking, and messaging applications with trial credits, without a sales call or initial credit card.

Add and scale voice calling and AI conversations in applications without building telecom infrastructure, while controlling call flows and costs.

Scale customer messaging across channels and markets with high throughput, delivery insights, and hands-on support.

Connect users to public safety with reliable emergency calling and location information, without building or maintaining telecom infrastructure.

Embed convenient in-app calling to simplify customer support, provide agents with relevant context, and reduce calling costs.

Secure user accounts and personal information with flexible two-factor authentication, recognizable sending numbers, and billing only for successful authentications.

Connect your chosen conversational AI to existing contact center environments, retain technology flexibility, and keep AI calls routing during contact center outages.

Guides end users through service activation, reduces activation delays and rejection rates, and helps teams spend less time on routine inquiries.

Give AI agents real-time access to Bandwidth voice, messaging, and phone number capabilities through MCP tools.

Use voice and messaging performance insights to spot issues, improve service quality, and manage usage and spend.

Consolidate global voice connectivity with one provider while gaining flexible pricing, resilient calling, and support for cloud and on-premises communications.

Originate voice calls on Bandwidth’s network and simplify 911 connectivity through aggregated delivery across emergency networks.

Terminate wholesale voice calls through Bandwidth’s network.

Extend emergency calling to customers across more than 40 countries with a global emergency services offering.

Route emergency calls using updated location information to support reliable 911 access and compliance for nomadic endpoints.

Provides international long-distance voice calling through Bandwidth’s wholesale communications portfolio.

Connect with customers through domestic and international toll-free voice and messaging, backed by resilient service and streamlined number management.

Find, provision, manage, and port diverse phone numbers at scale, with global coverage, automation, and specialist support.

Helps recipients identify callers by displaying caller information on supported calls.

Help contact centers reduce voice fraud, restore trust in outbound calls, and improve the chances that customers recognize and answer legitimate calls.

Get support, expertise, and proactive insights tailored to your business needs and stage of growth.

Helps partners expand market reach, pursue communications revenue, and sell with Bandwidth as their carrier without becoming a registered telco.

Bandwidth Universal Platform

Bandwidth Universal Platform brings together communications APIs, voice and messaging services, emergency calling, phone numbers, network insights, and enterprise integrations. Built on Bandwidth’s owned and operated network, it supports communications across applications, software, and on-premises environments. Customers can connect the platform to UCaaS, CCaaS, and AI tools, manage communications through a unified experience, and use carrier-level insights and routing capabilities.

Category: Communications Platform as a Service

• Manage Communications In One Place
  Manage voice, messaging, and emergency calling through one platform.
• Route Communications Over An Owned Network
  Use Bandwidth’s owned and operated network for communications, with direct carrier connections and stated core network uptime of 99.999%.
• Add Communications To Applications
  Build voice, messaging, emergency calling, in-app calling, and authentication capabilities into applications.
• Connect Preferred Communications Tools
  Connect preferred communications and AI tools while retaining flexibility in the technology stack.
• Connect Across Global Markets
  Reach users across countries through global PSTN connectivity.
• Create And Route Call Flows
  Design call flows and routing for communications workflows using visual tools and platform routing capabilities.
• Monitor Voice And Message Performance
  Use carrier-level insights to understand delivery and voice performance and investigate service issues.
• Manage And Port Phone Numbers
  Manage phone numbers and use software-driven porting workflows for migrations and communications operations.

Bandwidth Maestro

Bandwidth Maestro is a carrier-level orchestration platform that connects enterprise communications with preferred UCaaS, CCaaS, conversational AI, and voice authentication tools. Its platform-agnostic connectivity supports Bring Your Own Carrier, call-flow design and routing, and management of global communications from one Bandwidth App. Maestro can bridge legacy on-premises systems and cloud platforms, enabling phased migrations without requiring a rip-and-replace.

• Choose And Manage Your Carrier
  Unbundle the carrier from UCaaS and CCaaS providers and manage global communications through one Bandwidth App.
• Connect Preferred Communications Tools
  Connect preferred communications and AI tools at the carrier level without replacing the existing communications stack.
• Design And Adjust Call Flows
  Create and manage call flows, configure routing, plan redundancies, and make changes using a drag-and-drop interface.
• Maintain Calls Through Carrier Failures
  Redundant carrier paths and active-active routing help keep calls connected when a carrier experiences an issue.
• Migrate In Phases Without Replacing Systems
  Connect legacy infrastructure and cloud platforms and move users or departments on their own schedule.
• Manage Global Connectivity In One App
  Manage global communications from one app instead of coordinating multiple regional carrier portals.
• Add AI And Authentication To Call Flows
  Connect conversational AI and voice authentication tools to enterprise call flows.

Bandwidth Build

Bandwidth Build is a self-serve developer platform for trying Bandwidth Voice API, SIP Trunking, and Messaging API capabilities. Developers can sign up, provision an included U.S. phone number, and use 3,000 preloaded trial credits to build and test. The free trial requires no credit card or sales call and has no commercial commitment; a credit card is required to continue after the credits are used.

Category: Communications Platform as a Service

• Start Building Without A Sales Call
  Begin evaluating Bandwidth communications capabilities through a self-serve experience.
• Test With 3000 Preloaded Credits
  Use included credits toward Voice or Messaging API usage while building and evaluating the service.
• Test Calls And Voice Workflows
  Evaluate inbound and outbound calls, IVR, call flows, recording, and transcription.
• Provision One Included U.S. Number
  Start testing with one local U.S. number included in the trial.
• Configure SIP Trunks And Call Routes
  Build and test SIP trunk setups and direct calls to configured destinations.
• Try Messaging API For 30 Days
  Build against the Messaging API during a 30-day trial using the described included number and verified signup number.
• Build Against The Full API
  Evaluate against the full API instead of a sandbox.
• Start Without A Card Or Commitment
  Begin without a credit card or commercial commitment, and cancel anytime.
• Keep Your Integration When Upgrading
  Move from the Build trial to a full account without reworking the integration.

Voice API

Bandwidth’s programmable Voice API lets developers add inbound and outbound voice calling and AI agents to applications without managing telecom infrastructure. It uses HTTPS-based requests and offers call control, text-to-speech, speech-to-text transcription, recording, conferencing, answering machine detection, and real-time media streaming. Bandwidth’s owned and operated network provides global reach, while six-second billing increments let customers pay for the time they use. Media Streaming extends programmable voice applications with on-demand real-time call audio over WebSocket, including unidirectional and bidirectional streaming and routing to multiple endpoints for AI, transcription, sentiment analysis, voice biometrics, and other applications.

Category: Communications Platform as a Service

• Add Voice Calling To Applications
  Enable applications to make and receive calls through the programmable Voice API.
• Integrate Voice Without SIP Infrastructure
  Use HTTPS-based APIs to add voice capabilities without managing SIP infrastructure.
• Build On A Global Direct Voice Network
  Use Bandwidth’s owned network and global coverage to support voice applications as they scale.
• Pay For The Seconds You Use
  Six-second increments help avoid paying for unused time in a longer billing block.
• Customize Call Flows In Real Time
  Control calls using real-time flow customization, transfers, bridging, forwarding, and IVR.
• Stream Live Audio To AI Tools
  Route live call audio to selected tools and applications for real-time interaction, processing, and analysis.
• Build Real-Time AI Conversations
  Create voice applications in which AI agents participate in real customer conversations.
• Convert Speech And Text
  Generate spoken messages and turn call audio into text, with real-time transcription available.
• Record Calls And Connect Participants
  Capture calls and voicemails and connect up to 20 people in a conference.
• Route Calls Based On Answer Type
  Identify whether an outbound call reaches a person or answering machine and handle it accordingly.
• Build With SDKs And Expert Support
  Use documentation, sample applications, SDKs, testing credits, and support teams to develop voice applications.

Messaging API

Bandwidth’s Messaging API lets businesses integrate messaging into applications and scale as needs grow. One API supports SMS, MMS, and RCS, with options including 10DLC, short code, toll-free, alphanumeric, and global mobile number messaging. It offers high throughput, global reach, deliverability insights, traffic monitoring and alerts, and hands-on support. Related SMS, MMS, RCS for Business, and Campaign Registration capabilities are consolidated here, including registration, tracking, and updating of messaging brands and campaigns.

Category: Communications Platform as a Service

• Reach Customers Across Messaging Channels
  Build SMS, MMS, and RCS into applications through one API, with multiple supported number options.
• Send Engaging Multimedia Messages
  Add images, video, audio, and GIFs to create richer messaging experiences.
• Send Messages At High Volume
  Support high-volume messaging with throughput for large audiences.
• Track Message Delivery And Performance
  Monitor delivery, message health, and errors with insights, receipts, logs, and configurable alerts.
• Simplify Campaign Registration And Updates
  Manage brand and campaign registration and updates in one interface, track status, and reduce manual data entry.
• Support Reliable Message Delivery
  Use Bandwidth’s owned and operated Tier 1 network and redundant infrastructure.
• Create Verified Interactive Messages
  Present verified branding and use rich content, two-way interactions, and engagement insights.
• Reach Recipients In 120+ Countries
  Use available messaging options to support communications across more than 120 countries.
• Manage Numbers And Check Number Data
  Use supported number types, bring your own numbers, and check carrier and wireless status for batches of U.S. numbers.
• Build Flexible Two-Way Messaging
  Support two-way messages, group messaging, longer texts, Unicode, and bot or PIN-code workflows.
• Get Expert Help As You Scale
  Work with support specialists as messaging needs evolve.
• Plan Costs As Messaging Scales
  Estimate messaging expenses as usage grows and plan for per-message MMS charges.

Emergency Calling API

Bandwidth’s Emergency Calling API helps businesses incorporate emergency services into apps, software, and security solutions. With a few lines of code and no telecom equipment or expertise required, applications can connect users to public safety and first responders. The API can provide location information from a predetermined address or handset-based latitude and longitude, and automatically share the user’s location with safety agents. Bandwidth provides access to more than 6,000 public safety answering points across the U.S. and Canada.

• Connect Users To Emergency Services
  Provide users with a way to reach public safety through an application or software.
• Share User Locations Automatically
  Provide location information to safety agents when connecting users to emergency services.
• Add Emergency Calling With Code
  Incorporate emergency services into applications using an API without additional telecom infrastructure.
• Provide Location From Multiple Sources
  Choose a predetermined address or handset-based coordinates for emergency calling.
• Reach More Than 6000 PSAPs
  Connect users to Bandwidth’s network of more than 6,000 public safety answering points.

In-App Calling API

Bandwidth WebRTC enables businesses to embed click-to-call and voice calling directly into web and mobile applications. Client SDKs support browsers, Android, and iOS, with no separate plugins or applications required. The service supports inbound and outbound in-app calling, contextual information passed to agents through SIP headers, and integrations with Bandwidth Maestro and Voice API capabilities. Geo-redundant WebRTC gateways are designed for low latency and regulatory requirements. The SDKs and network media servers remove the need for customers to manage STUN, TURN, and ICE.

Category: Communications Platform as a Service

• Embed Calls In Apps And Browsers
  Give customers a direct way to reach a business from within an application or browser.
• Build For Web And Mobile
  Add calling to browser, Android, and iOS experiences.
• Share Customer Context With Agents
  Surface customer details to agents during calls.
• Extend Calls With Voice Features
  Add routing, virtual agents, text-to-speech, recording, and transcription to in-app calls.
• Avoid Managing WebRTC Connectivity
  Rely on Bandwidth connectivity components instead of managing STUN, TURN, or ICE.

Two-factor Authentication API

Bandwidth’s Authentication API adds two-factor authentication to software, websites, and applications. It sends customizable verification messages and one-time codes over SMS or voice using customers’ own phone numbers, without additional telecom infrastructure. Customers can configure code expiration and pay only for successful authentications.

• Protect User Accounts With Verification Codes
  Add a second verification step across applications, websites, and software.
• Reach Users By Voice Or SMS
  Offer verification codes through SMS or voice calls.
• Send Codes From Your Own Numbers
  Send passcodes from numbers customers already recognize.
• Pay Only For Successful Authentications
  Avoid spending on unsuccessful attempts, including wrong numbers or missed messages.
• Customize Verification Messages
  Tailor authentication messages to the organization and its security needs.
• Set Code Expiration Timeframes
  Choose how long codes remain valid.

Conversational AI integrations

Bandwidth’s Conversational AI integrations connect a customer’s chosen AI provider directly to its enterprise voice network, routing calls to AI before they reach the contact center platform. Organizations can connect AI through SIP routing, bidirectional media streaming over WebSockets, or WebRTC. The carrier-level approach supports cloud, on-premises, and hybrid contact center environments, allows AI vendors to be changed without rebuilding the underlying stack, and provides an independent route to AI during contact center outages. When a human agent is needed, calls can transfer to the contact center with context preserved.

• Route Calls To AI Before The Contact Center
  Send inbound calls to AI at the carrier layer before they reach the contact center platform.
• Choose The AI Provider That Fits
  Use a preferred third-party, specialized, or custom-built voice AI provider.
• Keep AI Calls Routing During CCaaS Outages
  Maintain an independent route to voice AI when the contact center platform is unavailable.
• Connect Through SIP, WebSockets, Or WebRTC
  Select a connection method suited to the AI application and desired control over call logic and media.
• Swap AI Vendors Without Rebuilding Your Stack
  Change the AI destination without rebuilding the underlying communications stack.
• Transfer Calls With Context Intact
  Hand calls from AI to a human agent through the contact center with context retained.
• Connect AI Across Cloud And On-Premises Environments
  Integrate AI with cloud, on-premises, and hybrid contact center environments.

Voice Activation Agent

Bandwidth’s Activation Agent provides a conversational, guided experience for service activation within a customer’s platform and workflows. It guides end users through validation, explains requirements based on country and number type, collects required information and documents, and answers common questions in real time. Collected data is returned to Bandwidth’s system to complete activation. Bandwidth maintains the requirement logic as rules change.

• Embed Activation Guidance In Existing Workflows
  Make guided activation available within the existing platform and workflows.
• Show Requirements By Country And Number Type
  Give users relevant activation requirements for their selected country and number type.
• Collect Required Information During Activation
  Capture required information and documents within the activation conversation.
• Answer Common Questions In Real Time
  Provide answers to common questions during activation.
• Shorten Time To Activation
  Guide users through requirements to reduce back-and-forth and activation delays.
• Reduce Requirement Logic Upkeep
  Reduce customers’ ongoing maintenance burden as requirements change.

Bandwidth MCP Server

Bandwidth MCP Server exposes Bandwidth voice, messaging, and phone number capabilities as secure Model Context Protocol tools, enabling AI agents to access these communications capabilities in real time.

Category: Communications Platform as a Service

• Give Agents Telecom Access
  Expose Bandwidth voice, messaging, and phone number capabilities as tools AI agents can use.
• Access Capabilities In Real Time
  Allow AI agents to use exposed capabilities in real time.
• Use Tools Without Coding
  Use the server’s capabilities without writing code.

Voice and Messaging Insights

Bandwidth Insights provides real-time voice performance data and near-real-time messaging deliverability insights. Teams can review call quality metrics, monitor traffic, billing and capacity, investigate errors, and configure alerts. Messaging insights include logs, API status, delivery and error rates across carriers and products, and message latency monitoring. Advanced capabilities include voice anomaly detection, SIP session data and packet captures, and configurable messaging health and error alerts.

• Identify Call Quality Issues
  Review call quality metrics and filter calls by quality level to support troubleshooting.
• Investigate Messaging Delivery Issues
  Use status, delivery rates, error information, and number details to investigate deliverability problems.
• Find And Address Voice Issues
  Use alerts, SIP details, and packet captures to identify errors and investigate call failure causes.
• Detect Unusual Voice Traffic
  Compare voice traffic with historical patterns to identify deviations and help teams respond proactively.
• Respond To Messaging Problems
  Receive alerts when messaging performance dips or specified errors appear.
• Avoid Approaching Call Limits
  Track call capacity and receive alerts when usage nears limits.
• Track Usage And Spend
  Review usage, capacity, and billing to understand communications spend.
• Spot Potential Call Fraud
  Use configurable alerts to identify unusual activity and investigate potential fraud.
• Track Messaging Speed And Capacity
  Review message latency and traffic levels to understand messaging performance.

Global SIP Trunking

Bandwidth Global SIP Trunking provides all-IP voice connectivity across approximately 70 countries through one carrier and one contract. It connects on-premises or cloud PBX systems and UCaaS or CCaaS platforms to the public phone network, with BYOC integrations, emergency calling support, and usage-based pricing. Customers can manage numbers and routing through the Bandwidth App or APIs, with migration planning and dedicated porting support.

• Connect Across ~70 Countries
  Use one provider for global PSTN interconnects and reduce reliance on regional carriers.
• Maintain Resilient Voice Connectivity
  Geo-redundant data centers and reported uptime support voice continuity.
• Connect Your Existing Platforms
  Bring Bandwidth as the carrier for supported platforms without replacing the existing stack.
• Connect PBX Systems To The PSTN
  Link on-premises or cloud PBX systems to the public phone network through SIP trunks.
• Support Emergency Calling
  Provide emergency call routing and test emergency calling functionality as part of deployment.
• Guide Your Migration
  Work with an implementation team and porting specialists through go-live.
• Pay For What You Use
  Choose usage-based pricing tailored to geography, call type, and volume.
• Manage Numbers And Routing
  Manage numbers and service configuration in one self-service environment.

VoIP Origination

A wholesale voice service for originating calls on Bandwidth’s network. For 911 traffic, Bandwidth customers connect to its network edge gateways, and Bandwidth aggregates and delivers calls across legacy and next-generation 911 networks.

• Originate Calls On Bandwidth’s Network
  Use Bandwidth’s network to originate voice calls.
• Simplify 911 Network Connectivity
  Connect to Bandwidth’s gateways while Bandwidth handles delivery across emergency networks.

VoIP Termination

A wholesale voice service for terminating calls through Bandwidth’s network.

Global Emergency Calling

Bandwidth’s global emergency calling service helps communications providers extend emergency calling to customers in more than 40 countries. The service provides emergency services in 45 countries and territories.

• Reach Emergency Services In 45 Countries And Territories
  Extend emergency calling availability across 45 countries and territories.

Nomadic Emergency Services

Bandwidth’s Nomadic Emergency Services supports dynamic location routing for North American endpoints. It provides location updates for numbers provisioned on the Bandwidth network and helps organizations manage precise location information and reliable 911 calling.

• Route Calls Using Updated Locations
  Direct emergency calls based on location information that can change.
• Manage Precise 911 Locations
  Keep location information current to support emergency call routing.
• Support 911 Compliance
  Use location routing and information management to help address 911 compliance requirements.

International Long Distance

A wholesale international long-distance voice calling service offered through Bandwidth’s communications portfolio.

Toll-Free Services

Bandwidth’s toll-free services help businesses connect with customers through toll-free voice and messaging. The service includes domestic and international toll-free numbers, with coverage in approximately 70 countries, and a redundant network backed by five carrier networks and disaster recovery. Bandwidth also offers toll-free number management, porting support, and RespOrg capabilities.

• Maintain Service Through Network Disruptions
  Redundancy and disaster recovery help maintain toll-free communications during network disruption.
• Reroute Traffic Through Active Carriers
  Route traffic through another active carrier to support continuity.
• Reach Customers Across Countries
  Connect with customers within and beyond the home country.
• Connect Through Voice And Messaging
  Use toll-free numbers for customer communications across voice and messaging.
• Manage And Port Toll-Free Numbers
  Manage numbers and porting through software-driven tools and specialist support.
• Simplify Toll-Free Number Operations
  Use RespOrg capabilities to support toll-free number management.

Phone Numbers and Number Management

Bandwidth provides phone number inventory and management through the Bandwidth App and APIs. Customers can search, reserve, order, provision, host, and port numbers, including geographic and local, national, mobile, toll-free, short code, and alphanumeric options across approximately 70 countries. Tools support bulk provisioning, number lookup, and regulatory workflows for global hosting and porting. The service also consolidates the dedicated Number Porting and Number Lookup API offerings.

• Choose Numbers For Diverse Markets
  Select from multiple number types and markets for customer communications.
• Find And Provision Numbers Faster
  Search, reserve, and provision available numbers through the app.
• Port Numbers With Fewer Migration Risks
  Use audits, regulatory workflows, specialist support, scheduling, and rollback to support controlled number transitions.
• Manage Numbers At Scale
  Handle large number inventories through bulk provisioning and porting.
• Host Numbers Across Global Markets
  Support number services across countries through one global hosted solution.
• Check Carrier And Wireless Status
  Retrieve carrier and wireless status information for U.S. numbers, including in batches.
• Build Local Presence And Track Marketing
  Use local numbers for customer calls, business locations, and marketing tracking.
• Search Inventory Using Natural Language
  Use natural language search tools to find numbers in inventory.

Caller ID

Caller ID services for displaying caller information on supported calls.

• Display Caller Information On Supported Calls
  Caller information is displayed on calls that support the service.

Contact Center Security and Trust

A multi-layer set of caller trust and fraud-prevention services for contact centers. Capabilities include call verification with real-time spoof and fraud risk scores, caller authentication, ANI validation, voice bioauthentication and deepfake detection, authenticated branded calling, and number reputation monitoring with remediation for improper spam labels. Network-level identity authentication helps verify outbound calls so only authenticated calls display a brand. This solution consolidates Call Verification, Number Reputation Management, and Authenticated Branded Calling.

• Verify Callers And Mitigate Fraud
  Use authentication capabilities to help identify fraud and confirm callers during contact center interactions.
• Assess Spoof And Fraud Risk
  Review real-time risk information to identify potentially fraudulent calls and inform contact center call flows.
• Display Verified Brand Information
  Help customers recognize legitimate calls and reduce the risk of branded display manipulation.
• Monitor And Remediate Call Labels
  Review number reputation, receive alerts, and initiate remediation to help restore outbound call trust.
• Sign And Authenticate Outbound Calls
  Apply STIR/SHAKEN authentication to help ensure outbound calls are signed and trusted.

Customer Success Plans

Bandwidth’s Customer Success Plans combine software and network expertise with human support to help keep communications performing well. Customers can choose Signature, Silver, or Gold based on the responsiveness, proactive insight, and dedicated support they need. Signature support is included at no cost; Silver adds SLA-backed response times, escalations, a pooled customer success manager, expert sessions, and advanced insights. Gold adds a designated customer success manager, more frequent expert sessions, strategic planning, business reviews, dedicated Slack support, executive escalations, and advanced troubleshooting tools.

• Get Help Around The Clock
  Reach support at any time or use the online knowledge base.
• Set Expectations And Escalate Issues
  Access defined service commitments and higher-level escalation paths based on plan.
• Work With Success Managers And Experts
  Access customer success management and expert consultations according to plan.
• Monitor Communications And Spot Issues
  Review performance data and alerts to monitor voice and messaging and investigate issues.
• Assess Value And Plan Strategically
  Use assessments, planning, and quarterly reviews to support an ongoing partnership.
• Customize Alerts And Troubleshoot Issues
  Use custom alerts and advanced troubleshooting tools.

Bandwidth Partner Program

Bandwidth’s partner program is for system integrators and managed service providers that sell communications with Bandwidth as their partner carrier. Partners can use platform-agnostic connectivity and global coverage to support customer projects and reach new markets. The program offers marketing resources, training, education, and flexible sales motions tailored to partners’ businesses. Selling with Bandwidth as the partner carrier lets partners avoid becoming a registered telco.

• Sell Without Becoming A Registered Telco
  Sell with Bandwidth as partner carrier and avoid becoming a registered telco.
• Expand Reach Across Global Markets
  Extend communications services into new markets and support customer projects internationally.
• Equip Teams With Partner Resources
  Access resources, training, and education for partner teams.
• Tailor Sales Motions To Your Business
  Choose sales motions tailored to your business.
• Connect Existing Technology Stacks
  Offer connectivity that works within customers’ existing technology stacks.