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DocumentationConcepts, walkthroughs, embeddable UI, and operational setup.SDKsPython, TypeScript, Ruby, and Elixir client libraries.API ReferenceAuth, endpoints, example payloads, and webhook event schemas.ResourcesCompliance, changelog, deprecations, and glossary.

What is Surge How Surge is Organised

Send Your First Message

Register Your Business

Register via API Canonical Schema Reference Register via Dashboard Building on Surge: One Account per Customer Avoiding Rejection: Patterns from Real Registration Reviews Sole Proprietor Path Toll-Free Verification Fixing a Rejected or Changes-Needed Campaign

Sending Messages

Send to One Person Send to Many People Ongoing Conversations Track Message Delivery Handle Failures

Receiving Messages & Webhooks

Webhook Events Two-Way Messaging Patterns

Purchasing a Number Importing a Number International Numbers Attaching a Number to a Campaign

Send and verify a code Usage patterns and delivery gotchas

Channels Roadmap

RCS and WhatsApp Voice

Embeddable UI Components

Working with End Users Inbox Component Conversation Component Unread Count Component Phone (dialpad)

SMS Segments & Encoding The Campaign Registry (TCR) and Becoming a CSP Consent Flows: How Users Opt In Required Disclosures and Opt-In Templates Deliverability

Channels Roadmap

Browse the channels roadmap pages in this section.

RCS and WhatsApp Voice

Channels Roadmap

Browse the channels roadmap pages in this section.

RCS and WhatsApp Voice

Last updated May 2, 2026

Usage patterns and delivery gotchas

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