# FLIX indexer Service for indexing `InteractionTemplate` data structures conforming to FLIX v1.1 standard, as defined in [FLIP 219](https://github.com/onflow/flips/blob/main/application/20230330-interaction-templates-1.1.0.md). ## REST API ### List all templates ``` GET /v1.1/templates => { data: InteractionTemplate[] } ``` ### List template(s) by source code ``` GET /v1.1/templates?cadence_base64={base64 encoded cadence source code} => { data: InteractionTemplate[] } ``` ### Get template by ID ``` GET /v1.1/templates/{id} => InteractionTemplate ```