Taxi Schema Structure
Structure documentation for Taxi language schemas covering types, models, services, and semantic annotations
Taxi Schema is a JSON Structure definition published by Taxi - Describe How Your APIs and Data Relate.
Meta-schema:
JSON Structure
{
"name": "Taxi Schema",
"description": "Structure documentation for Taxi language schemas covering types, models, services, and semantic annotations",
"fields": [
{"name": "namespace", "type": "string", "required": false, "description": "Taxi namespace in reverse-domain format (e.g., com.example)"},
{"name": "version", "type": "string", "required": false, "description": "Schema version string"},
{"name": "types", "type": "array<TypeDefinition>", "required": false, "description": "Semantic primitive types that inherit from built-ins"},
{"name": "models", "type": "array<ModelDefinition>", "required": false, "description": "Complex object models with typed fields"},
{"name": "enums", "type": "array<EnumDefinition>", "required": false, "description": "Enumerated value types"},
{"name": "services", "type": "array<ServiceDefinition>", "required": false, "description": "API and data service declarations with operations"}
],
"nested": {
"TypeDefinition": {
"description": "Semantic type — a named alias of a primitive that carries domain meaning",
"fields": [
{"name": "name", "type": "string", "description": "Fully qualified type name"},
{"name": "inherits", "type": "string", "description": "Base type: String, Int, Decimal, Boolean, Date, etc."},
{"name": "annotations", "type": "array<string>", "description": "Applied Taxi annotations"},
{"name": "documentation", "type": "string", "description": "Human-readable docs"}
]
},
"ModelDefinition": {
"description": "Object model with semantically typed fields",
"fields": [
{"name": "name", "type": "string", "description": "Qualified model name"},
{"name": "fields", "type": "array<FieldDefinition>", "description": "Model fields"},
{"name": "annotations", "type": "array<string>", "description": "Annotations"},
{"name": "documentation", "type": "string", "description": "Docs"}
]
},
"ServiceDefinition": {
"description": "API service with HTTP, database, or stream operations",
"fields": [
{"name": "name", "type": "string", "description": "Service name"},
{"name": "kind", "type": "string", "description": "http, database, kafka, grpc"},
{"name": "base_url", "type": "string", "description": "Base URL for HTTP services"},
{"name": "operations", "type": "array<OperationDefinition>", "description": "Service operations"}
]
}
}
}
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