SMS / THE SMS RESOURCE LIBRARY # SMS resources. Your next step, answered. Find the next SMS task: start, build, diagnose, migrate or evaluate. Each path opens a maintained guide, reference, example or explanation. [Start now](/dashboard/signup?returnTo=%2Fdashboard%2Fw%2Fsms%2Fonboarding) [Talk to sales](/demo?product=sms&source_page=%2Fsms%2Fresources) [Explore Business SMS ↗](/sms) [Read the product guide ↗](/docs/guides/sms/overview) ## Set up with your agent [Read the agent setup guide](/docs/ai/set-up-your-agent) Copy this prompt into your coding agent: ```text Bird connects customer communications, data and automation. Help me build with Bird using my coding agent. 1. Read https://bird.com/docs/ai/set-up-your-agent.md and follow its setup workflow for this client. Use an existing connected Bird MCP server or signed-in CLI when available. 2. Read the product guide for the task I want to complete and inspect my existing integration. Identify the workspace, available operations and required setup. 3. Help me complete a first example for the product and destination I choose. Follow the operation through to its actual result, explain any uncertainty, and help me choose the next step. First task: Choose the linked SMS guide for my task and inspect the existing integration before proposing the first implementation step. Use this Bird page as the starting context: https://bird.com/sms/resources Read its Markdown alternative and linked guides. Keep the first example relevant to this page and the customer outcome I choose. Preserve the supplied campaign context when following Bird signup or sales links. ``` Companies that trust Bird across their communications. - [Airwallex](/customers/airwallex) - Uber - [Zillow](/customers/zillow) - [Glovo](/customers/glovo) - PayPal - Adobe [Read Bird customer stories](/customers) RECOMMENDED PATH ## One task prepares the next. Choose a permitted destination and sender, build a controlled message, then inspect the observed outcome. [01 / Prepare the setup Check destination, category, eligible sender and recipient permission.](/products/sms/getting-started) [02 / Build one message Follow the maintained request and keep the accepted message ID.](/docs/guides/sms/sending-sms) [03 / Observe the result Inspect the carrier state or keep an unresolved result under investigation.](/products/sms/analytics) PRODUCT OPERATING EVIDENCE ## Take a documented path into production. Use Bird’s maintained guides for exact requests and event handling. Destination requirements, account eligibility and published prices remain separate checks. [Read the product guide ↗](/docs/guides/sms/overview) TASK LIBRARY ## Find the work in front of you. Choose Start, Build, Diagnose, Migrate or Evaluate to find the resources for your next step, or browse the full directory below. ## Choose the right SMS workflow Start with the job you want to complete. [Send from an application Build notifications and updates from a product event.](/sms-api) [Run an audience campaign Connect contacts, content, consent and campaign progress.](/products/sms/marketing) [Receive and act on replies Connect inbound SMS to a service or conversation.](/products/sms/two-way) [Verify a phone number Use a managed verification workflow for one-time codes.](/verification-api) ## Build and test the integration Understand the sender and destination before your first send. [SMS overview Find the complete sending and receiving guide.](/docs/guides/sms/overview) [Send SMS Build the request, configure the destination and test delivery outcomes.](/docs/guides/sms/sending-sms) [Choose and register a sender Choose a destination, reply path and registration program, then test the send.](/docs/guides/sms/senders) [Use a system template Send with a built-in template and its required variables.](/docs/guides/sms/templates) [Connect an AI agent Set up the CLI or MCP for your agent.](/docs/ai/set-up-your-agent) [Store delivery receipts Verify signatures and persist duplicate-safe, ordered message observations.](/docs/guides/sms/delivery-receipt-handler) [Build a reply worker Turn an incoming message into a recorded service reply.](/docs/guides/sms/reply-to-incoming-sms) [Verify and consume webhooks Handle signatures, retries and event identity.](/docs/guides/webhooks) ## SMS, explained Plain-language answers before implementation details. [SMS API or SMS gateway? Understand the terms behind a sending integration.](/explained/sms/what-is-an-sms-api-vs-an-sms-gateway) [What is bulk SMS? Distinguish an audience send from individual messages.](/explained/sms/what-is-bulk-sms) [One-way or two-way? Choose whether recipients need a reply path.](/explained/sms/what-is-the-difference-between-one-way-and-two-way-sms) [Which sender type should I use? Compare the identities people see on their phones.](/explained/sms/which-sms-sender-type-should-i-use) [Explore all SMS answers Browse the complete library of durable SMS explanations.](/explained/sms) [Product FAQs Find answers grouped by the capability you are evaluating.](/products/sms/faqs) ## Prepare the message Make encoding and segmentation a visible part of the review. [Create campaign content Draft, personalize and review reusable messages.](/products/sms/marketing/templates) [Character limits Read the limits for GSM-7 and Unicode messages.](/docs/guides/sms/character-limits) [Smart encoding Understand substitutions and preservation of original text.](/docs/guides/sms/smart-encoding) [SMS segment calculator Inspect a draft’s encoding and segment boundaries.](/tools/sms-segment-calculator) [What is an SMS segment? See why a single visible text can contain several billable parts.](/explained/sms/what-is-an-sms-segment) [Multipart messages Understand how several segments become one text on a phone.](/explained/sms/what-is-a-concatenated-sms) ## Investigate delivery and replies Move between aggregate performance and an individual message. [SMS message log Inspect status, sender, recipient, segments and timeline.](/docs/guides/sms/sms-log) [SMS event catalogue Understand accepted, sent, delivered, rejected and received events.](/docs/guides/sms/events) [Dashboard metrics Read delivery rates, failures and latency with their definitions.](/docs/guides/sms/tracking-and-metrics) [SMS Stats API Query counts, dimensions and time buckets.](/docs/guides/sms/stats-api) [What does a receipt prove? Understand a carrier delivery report and its limits.](/explained/sms/what-is-a-delivery-receipt) [Investigate carrier filtering Review sender, content and sending patterns when delivery fails.](/explained/sms/why-are-my-sms-messages-being-filtered-by-carriers) ## Numbers, destinations and consent Prepare the identity, market and customer permission together. [Numbers and sender IDs Compare sender choices for different uses.](/products/sms/numbers) [Destination catalogue Check sender support and requirements by country.](/products/sms/destinations) [US 10DLC registration Register a brand and campaign for US long-code messaging.](/docs/guides/sms/10dlc) [Opt-outs and keywords Read coverage, automatic replies and suppression behavior.](/docs/guides/sms/opt-outs-and-keywords) [Campaign review controls Connect consent, registration and current eligibility.](/products/sms/marketing/compliance) [SMS pumping Recognize abuse that can drive unwanted messaging traffic.](/explained/sms/what-is-sms-pumping) ## Move an existing SMS integration Keep your application’s intent while changing the provider. [SMS migration overview Plan the differences in authentication, senders and event handling.](/docs/guides/sms/migrate) [Migrate from Twilio Map sending and delivery events to Bird.](/docs/guides/sms/migrate/twilio) [Migrate from Sinch Review send and batch differences.](/docs/guides/sms/migrate/sinch) [Migrate from Telnyx Adapt sender and webhook integration.](/docs/guides/sms/migrate/telnyx) [Migrate from Infobip Move sending and outcome handling.](/docs/guides/sms/migrate/infobip) [Migrate from Plivo Map your application’s message workflow.](/docs/guides/sms/migrate/plivo) [Migrate from Bandwidth Review API and event changes.](/docs/guides/sms/migrate/bandwidth) [Migrate from Vonage Map SMS requests, delivery receipts and replies.](/docs/guides/sms/migrate/vonage) [Migrate from Amazon SNS Move SMS delivery while keeping your AWS topic and workers.](/docs/guides/sms/migrate/amazon-sns) [Migrate from Azure Communication Services Replace SMS sends and Event Grid consumers in your Azure app.](/docs/guides/sms/migrate/azure) [Move from the Connectivity Platform Follow the path from the earlier MessageBird integration.](/docs/guides/sms/migrate/connectivity-platform) ## Evaluate the fit Connect the technical decision to destinations, cost and rollout. [SMS pricing Read published rates and the destination factors that affect cost.](/pricing/sms) [Compare SMS providers Evaluate the capabilities your integration requires.](/products/sms/compare) [Getting started Follow the setup sequence for an initial integration.](/products/sms/getting-started) [Campaigns and broadcasts Choose the workflow for a coordinated audience send.](/products/sms/marketing/campaigns) [SMS field guide Prerequisite: a customer task and permission to contact them. Connect the message, reply and application outcome.](/guides/plan-an-sms-integration) [Open Nederland’s SMS account Historical appointment verification and result notifications alongside in-person ID checks. This customer account does not establish today’s Verify contract or an SMS identity guarantee.](/customers/open-nederland) [Airwallex’s international rollout Review the customer’s reported scope when planning international expansion. Its result does not promise an outcome for your rollout.](/customers/airwallex) ## Evaluate, build and migrate - [Compare providers](/products/sms/compare): Evaluate the integration model, customer journey and work involved in switching. - [Migration guides](/docs/guides/sms/migrate): Follow a provider-specific map, test the receiving path and move traffic in stages. - [Node.js quickstart](/docs/get-started/quickstarts/typescript/sms): Install the SDK, run the example and inspect the result. - [Python quickstart](/docs/get-started/quickstarts/python/sms): Build the same first result in Python with the Bird SDK. - [Next.js integration](/docs/get-started/quickstarts/typescript/next-js/sms): Send SMS from a server route, retain request identity and inspect its status. - [Express integration](/docs/get-started/quickstarts/typescript/express/sms): Send SMS from a server route, retain request identity and inspect its status. - [FastAPI integration](/docs/get-started/quickstarts/python/fastapi/sms): Send SMS from a server route, retain request identity and inspect its status. - [Django integration](/docs/get-started/quickstarts/python/django/sms): Send SMS from a server route, retain request identity and inspect its status. ## More provider comparisons - [Bird vs Vonage](/products/sms/compare/bird-vs-vonage): Compare senders, delivery handling and the complete SMS workflow. - [Bird vs Amazon SNS](/products/sms/compare/bird-vs-amazon-sns): Compare senders, delivery handling and the complete SMS workflow. - [Bird vs Azure Communication Services](/products/sms/compare/bird-vs-azure): Compare senders, delivery handling and the complete SMS workflow. READY WHEN YOU ARE ## Find your answer. Then take the next step. Confirm the destination, sender and account requirements, then follow the maintained guide for your next step. [Start now](/dashboard/signup?returnTo=%2Fdashboard%2Fw%2Fsms%2Fonboarding) [Talk to sales](/demo?product=sms&source_page=%2Fsms%2Fresources) ## Related resources - [Build your first integration](/learn/paths/integration) (course)