Customer.io · Schema

SMS

Update the contents of an SMS newsletter variant.

Behavioral DataBroadcastCampaignsCDPCustomer DataCustomer Data PlatformData IngestionEmailEvent TrackingMarketing AutomationMessagingPush NotificationsSegmentsSMSTransactional EmailA2A
View JSON Schema on GitHub

JSON Schema

customer-io-update-sms-content-schema.json Raw ↑
{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/api-evangelist/customer-io/main/json-schema/customer-io-update-sms-content-schema.json",
  "title": "SMS",
  "description": "Update the contents of an SMS newsletter variant.",
  "x-generated": "2026-10-12",
  "x-method": "derived",
  "x-generator": "derive-json-schema.py",
  "x-source": "openapi/customer-io-newsletter-variants-api-openapi.yml#/components/schemas/updateSmsContent",
  "allOf": [
    {
      "type": "object",
      "properties": {
        "type": {
          "x-scalar-ignore": true,
          "description": "Channel type for a newsletter or newsletter content variant.",
          "type": "string",
          "enum": [
            "email",
            "webhook",
            "twilio",
            "push",
            "in_app",
            "inbox"
          ],
          "readOnly": true
        },
        "deduplicate_id": {
          "x-scalar-ignore": true,
          "type": "string",
          "readOnly": true,
          "description": "An identifier in the format `id:timestamp` where the id is for the object you're working with (Campaigns, Deliveries, Exports, Identities, Newsletters, Segments, and Templates), and the timestamp is the last time the object was updated."
        }
      }
    },
    {
      "type": "object",
      "properties": {
        "type": {
          "type": "string",
          "enum": [
            "twilio"
          ],
          "readOnly": true
        },
        "body": {
          "type": "string",
          "description": "The body of the SMS message."
        }
      }
    }
  ]
}

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/customer-io-update-sms-content"
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 form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

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