November 2026 Summaries

A new messaging template editor adds live channel-specific previews, in-message editing for WhatsApp headers, footers, media, and buttons, real-time compliance checks, and copy-ready API code for creating and sending templates. Templates can use shared text across WhatsApp, SMS, and MMS or customized channel versions, while named variables remain consistent in the editor, previews, and API calls. WhatsApp checks reflect Meta’s approval rules for categories, language, content, and variable density, while SMS and MMS checks identify carrier concerns such as missing opt-out language and potentially blocked trigger words. The editor also displays SMS encoding and multipart costs, highlighting characters such as emojis or curly punctuation that reduce character limits and offering plain-text replacements. AI tools can draft or revise messages, while developer panels provide template JSON and post-save sending examples in several programming languages. Templates remain subject to final review by Meta, carriers, or Sent, and changes apply across all sender profiles within an organization.

Sent is a crates.io Rust SDK for the Sent API that provides typed asynchronous access to SMS, WhatsApp, and RCS messaging through Tokio, reqwest with rustls, and serde-based models, requiring Rust 1.85 or newer. It supports all 82 API v3 operations through resource-oriented client methods, typed request and response structures, pagination with single-page and all-page retrieval options, and automatically generated idempotency keys and retry handling for non-GET requests. The crate distinguishes API, transport, and decoding failures with structured error types, while forward-compatible models ignore unknown fields and preserve newly introduced enum values. It also provides typed webhook event models for inbound messages, templates, channels, contacts, and calls. Generated from Sent’s published OpenAPI specification, the SDK validates response examples and tests each operation against specification-based mocks, while its client, error handling, and pagination components are maintained manually.