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Primitive Types

JSON →
library 0.14.0 ·rust
✓ verified Jun 16, 2026
cryptoutility

Primitive types shared by Ethereum and Substrate, including H256, U256, and others.

Resources

docsdocs.rs/primitive-types/ ↗
githubgithub.com/paritytech/parity-common ↗

API endpoints

full doc /v1/registry/primitive-types
install /v1/registry/primitive-types/install