Overview

Use this section when you are writing ABI YAML by hand, validating that it round-trips correctly, and deploying it alongside a program.

Start Here

Authoring Guide Write ABI YAML with the right metadata, imports, dynamic fields, and practical guardrails for handwritten schemas.

Examples Start from real ABI snippets for primitives, token instructions, flattened program ABIs, and advanced proof structures.

Explorer Compatibility Publish root types that let explorer tooling reflect instruction, account, and event bytes correctly from the on-chain ABI.

Validation and roundtrip testing Use analyze, codegen, reflect, and real payload roundtrips to prove that the ABI actually works before deployment.

Publishing and Iteration Publish the ABI with the program seed, verify the on-chain artifact, and iterate safely when the schema changes.

Specification Learn the ABI model: deterministic layout, little-endian encoding, import rules, dynamic parameters, and flexible array members.

If your task is…	Open this page	Common CLI follow-up
Start from real ABI shapes	Examples	ABI Codegen
Make explorer reflection work with the published ABI	Explorer Compatibility	ABI Account or Explorer MCP
Write or refactor ABI YAML safely	Authoring Guide	ABI Analyze
Prove the ABI actually works	Validation and roundtrip testing	ABI Analyze or ABI Reflect
Publish or upgrade the ABI artifact on-chain	Publishing and Iteration	ABI Account
Reason about layout and binary rules	Specification	ABI Analyze

Start with Examples or the Authoring Guide so you do not invent schema shapes from scratch.
Use Explorer Compatibility if the ABI must be reflected correctly from the published on-chain artifact.
Use Validation and roundtrip testing to run the local proof loop before deployment.
Move to Publishing and Iteration only once the ABI roundtrips correctly.
Open Specification only when you need deeper rules about layout, imports, or dynamic parameters.