SMI TrafficSplit

Service Mesh Interface (SMI) TrafficSplit resource (split.smi-spec.io/v1alpha4). Incrementally directs percentages of traffic between backend services for canary, blue/green, and A/B rollouts. Source: https://github.com/servicemeshinterface/smi-spec/blob/main/apis/traffic-split/v1alpha4/traffic-split.md

Service MeshKubernetesTraffic PolicyTraffic ManagementTraffic MetricsStandardsCNCFArchivedSpecificationCustom Resource Definitions

Properties

Name Type Description
apiVersion object
kind object
metadata object
spec object
View JSON Schema on GitHub

JSON Schema

traffic-split-schema.json Raw ↑
{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://api-evangelist.github.io/service-mesh-interface/json-schema/traffic-split-schema.json",
  "title": "SMI TrafficSplit",
  "description": "Service Mesh Interface (SMI) TrafficSplit resource (split.smi-spec.io/v1alpha4). Incrementally directs percentages of traffic between backend services for canary, blue/green, and A/B rollouts. Source: https://github.com/servicemeshinterface/smi-spec/blob/main/apis/traffic-split/v1alpha4/traffic-split.md",
  "type": "object",
  "required": ["apiVersion", "kind", "metadata", "spec"],
  "properties": {
    "apiVersion": { "const": "split.smi-spec.io/v1alpha4" },
    "kind": { "const": "TrafficSplit" },
    "metadata": {
      "type": "object",
      "required": ["name"],
      "properties": {
        "name": { "type": "string" },
        "namespace": { "type": "string" }
      }
    },
    "spec": {
      "type": "object",
      "required": ["service", "backends"],
      "properties": {
        "service": {
          "type": "string",
          "description": "Root service FQDN that clients connect to; becomes the traffic distribution point."
        },
        "backends": {
          "type": "array",
          "minItems": 1,
          "items": {
            "type": "object",
            "required": ["service", "weight"],
            "properties": {
              "service": { "type": "string" },
              "weight": { "type": "integer", "minimum": 0 }
            }
          }
        },
        "matches": {
          "type": "array",
          "items": {
            "type": "object",
            "required": ["kind", "name"],
            "properties": {
              "kind": { "type": "string", "enum": ["HTTPRouteGroup"] },
              "name": { "type": "string" }
            }
          }
        }
      }
    }
  }
}

Work with this as data

Every JSON Schema here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for schemas

4 MCP tools reach this
  • find_json_schemasBrowse and filter every JSON Schema in the catalog.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools

Call it yourself

curl for this page
This JSON Schema
curl "https://apis.io/api/v1/json-schemas/traffic-split"
All schemas
curl "https://apis.io/api/v1/json-schemas?limit=25"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no email required.

A second provider on the same verified email joins the account you already have.