# Twilic

> Compact binary format for structured data

MessagePack-like usability. Decisively smaller on repeated structure, keys, strings, and homogeneous arrays.

## Table of Contents

### Getting Started

- [Introduction](/guide/introduction.md)
- [Why Twilic?](/guide/why.md)
- [Quick Start](/guide/quick-start.md)
- [Web Integrations](/guide/web-integrations.md)
- [Twilic AI](/ai.md)

### Business Use Cases

- [Business Use Cases](/guide/business-use-cases.md)
- [Articles](/guide/articles.md)

### Deep Dive

- [Core Concepts](/guide/concepts.md)
- [Encoding Profiles](/guide/encoding-profiles.md)
- [Batch & Columnar Encoding](/guide/batch-and-columnar.md)
- [Stateful Streams](/guide/stateful-streams.md)
- [Stateful Decoding](/guide/stateful-decoding.md)
- [Trained Dictionaries](/guide/trained-dictionaries.md)
- [Encoder Selection](/guide/encoder-selection.md)
- [Edge & Cloudflare Workers](/guide/edge-and-workers.md)
- [Schema-Bound Encoding](/guide/schema-bound.md)
- [Transport & Framing](/guide/transport-framing.md)
- [Performance](/guide/performance.md)
- [Security](/guide/security.md)
- [Interoperability](/guide/interop.md)
- [Conformance & Testing](/guide/conformance.md)
- [v1 → v2 Migration Runbook](/guide/migration-v1-to-v2.md)
- [Cookbook](/guide/cookbook.md)
- [Examples](/guide/examples.md)
- [Comparison with Other Formats](/guide/comparison.md)
- [Troubleshooting](/guide/troubleshooting.md)
- [Glossary](/guide/glossary.md)
- [FAQ](/guide/faq.md)
- [Contributing](/guide/contributing.md)

### API Reference

- [API Reference](/reference.md)

#### JavaScript / TypeScript

- [@twilic/core](/reference/javascript-core.md)
- [@twilic/core/advanced](/reference/javascript-advanced.md)

#### Shared Types

- [Value & Schema Types](/reference/value-and-schema.md)
- [Session Encoder](/reference/session-encoder.md)
- [Session Decoder](/reference/session-decoder.md)
- [Errors & Decode Limits](/reference/errors-and-limits.md)

#### Native SDKs

- [Rust API Reference](/reference/rust.md)
- [Python API Reference](/reference/python.md)
- [Go API Reference](/reference/go.md)
- [Java API Reference](/reference/java.md)
- [C API Reference](/reference/c.md)

### Integrations

- [Web Integrations](/integrations.md)

#### Server

- [@twilic/hono](/integrations/hono.md)
- [@twilic/express](/integrations/express.md)
- [@twilic/fastify](/integrations/fastify.md)

#### Client

- [@twilic/fetch](/integrations/fetch.md)
- [@twilic/axios](/integrations/axios.md)

#### Realtime

- [@twilic/websocket](/integrations/websocket.md)

### Twilic AI

- [Twilic AI](/ai.md)
- [@twilic/ai](/ai/core.md)
- [@twilic/ai-openai](/ai/openai.md)
- [@twilic/ai-sdk](/ai/ai-sdk.md)
- [@twilic/ai-agents](/ai/agents.md)
- [`.twai` format](/ai/format.md)

### Articles

- [Articles](/guide/articles.md)

#### Infrastructure

- [Cut Infrastructure Costs with Safer Caching](/guide/articles/cut-infrastructure-costs-with-safer-caching.md)
- [Building the Adoption Business Case](/guide/articles/building-the-adoption-business-case.md)

#### Architecture

- [Telemetry and Event Pipelines at Scale](/guide/articles/telemetry-and-event-pipelines-at-scale.md)
- [Internal APIs Without Protobuf Overhead](/guide/articles/internal-apis-without-protobuf-overhead.md)
- [Real-Time Dashboards and Streaming](/guide/articles/real-time-dashboards-and-streaming.md)

#### Migration

- [Migrating from MessagePack](/guide/articles/migrating-from-messagepack.md)
- [Migrating from Protobuf](/guide/articles/migrating-from-protobuf.md)

### Tools

- [Tools](/tools.md)
- [Twilic CLI](/guide/cli.md)
- [Twilic AI](/ai.md)
- [Playground](/guide/playground.md)
- [Examples](/guide/examples.md)
- [Benchmark](/benchmark.md)
- [Benchmark Fixtures](/benchmark/fixtures.md)

### Benchmark

- [Benchmark](/benchmark.md)
- [Benchmark Fixtures](/benchmark/fixtures.md)

### Specification

- [Specification Overview](/spec/overview.md)
- [Profiles](/spec/profiles.md)
- [Wire Tags](/spec/wire-tags.md)

### Format Reference

- [Format Guide](/spec/format.md)
- [Encoding Guide](/spec/encoding.md)
- [Transport Guide](/spec/transport.md)

### Versions

- [v3 Reference Profile](/spec/v3.md)
- [v2 Legacy Reference Profile](/spec/v2.md)
- [v1 Legacy Reference Profile](/spec/v1.md)

### SDKs

- [SDKs](/sdks.md)
- [API Reference](/reference.md)
- [Rust SDK](/sdks/rust.md)
- [Go SDK](/sdks/go.md)
- [Python SDK](/sdks/python.md)
- [JavaScript / TypeScript SDK](/sdks/js.md)
- [Java SDK](/sdks/java.md)
- [Scala SDK](/sdks/scala.md)
- [Ruby SDK](/sdks/ruby.md)
- [R SDK](/sdks/r.md)
- [Zig SDK](/sdks/zig.md)
- [PHP SDK](/sdks/php.md)
- [Kotlin SDK](/sdks/kotlin.md)
- [Dart SDK](/sdks/dart.md)
- [Elixir SDK](/sdks/elixir.md)
- [Lua SDK](/sdks/lua.md)
- [C SDK](/sdks/c.md)
- [C++ SDK](/sdks/cpp.md)
- [C# SDK](/sdks/csharp.md)
- [Swift SDK](/sdks/swift.md)