SendMessageRequest
Represents the properties of a send message request.
Microsoft AzureCPaaSCallingChatCommunicationsContact CenterEmailIdentityMessagingPhone NumbersRoomsRoutingSIPSMSTelephonyTokensVideoVoiceWhatsApp
Properties
| Name | Type | Description |
|---|---|---|
| from | string | The sender's phone number in E.164 format that is owned by the authenticated account. |
| smsRecipients | array | The recipient's phone number in E.164 format. In this version, a minimum of 1 and upto 100 recipients in the list are supported. |
| message | string | The contents of the message that will be sent to the recipient. The allowable content is defined by RFC 5724. |
| smsSendOptions | object |
JSON Schema
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"$id": "https://artifacts.apis.io/microsoft-azure-communication-services/json-schema/microsoft-azure-communication-services-send-message-request-schema.json",
"title": "SendMessageRequest",
"description": "Represents the properties of a send message request.",
"x-generated": "2026-11-05",
"x-method": "derived",
"x-generator": "derive-json-schema.py",
"x-source": "openapi/_superseded/microsoft-azure-communication-services-sms-api-openapi.yml#/components/schemas/SendMessageRequest",
"required": [
"message",
"smsRecipients",
"from"
],
"type": "object",
"properties": {
"from": {
"description": "The sender's phone number in E.164 format that is owned by the authenticated account.",
"type": "string"
},
"smsRecipients": {
"description": "The recipient's phone number in E.164 format. In this version, a minimum of 1 and upto 100 recipients in the list are supported.",
"maxLength": 100,
"minLength": 1,
"type": "array",
"items": {
"$ref": "#/$defs/SmsRecipient"
}
},
"message": {
"description": "The contents of the message that will be sent to the recipient. The allowable content is defined by RFC 5724.",
"maxLength": 2048,
"minLength": 0,
"type": "string"
},
"smsSendOptions": {
"$ref": "#/$defs/SmsSendOptions"
}
},
"$defs": {
"MessagingConnectOptions": {
"description": "Defines optional parameters for connecting with the Messaging Connect Partner to deliver SMS.",
"required": [
"partner",
"partnerParams"
],
"type": "object",
"properties": {
"partner": {
"description": "Specifies the partner name for message delivery.",
"type": "string"
},
"partnerParams": {
"description": "Partner-specific parameters as key-value pairs. Must contain at least one parameter required by the messaging connect partner (e.g., apiKey, servicePlanId, authToken, etc.).",
"type": "object",
"minProperties": 1
}
}
},
"SmsRecipient": {
"description": "Recipient details for sending SMS messages.",
"required": [
"to"
],
"type": "object",
"properties": {
"to": {
"description": "The recipient's phone number in E.164 format.",
"type": "string"
},
"repeatabilityRequestId": {
"description": "If specified, the client directs that the request is repeatable; that is, the client can make the request multiple times with the same Repeatability-Request-ID and get back an appropriate response without the server executing the request multiple times. The value of the Repeatability-Request-ID is an opaque string representing a client-generated, 36-character hexadecimal case-insensitive encoding of a UUID (GUID), identifier for the request.",
"type": "string"
},
"repeatabilityFirstSent": {
"description": "MUST be sent by clients to specify that a request is repeatable. Repeatability-First-Sent is used to specify the date and time at which the request was first created.eg- Tue, 26 Mar 2019 16:06:51 GMT",
"type": "string"
}
}
},
"SmsSendOptions": {
"description": "Optional configuration for sending SMS messages.",
"required": [
"enableDeliveryReport"
],
"type": "object",
"properties": {
"enableDeliveryReport": {
"description": "Enable this flag to receive a delivery report for this message on the Azure Resource EventGrid.",
"type": "boolean"
},
"tag": {
"description": "Use this field to provide metadata that will then be sent back in the corresponding Delivery Report.",
"type": "string"
},
"deliveryReportTimeoutInSeconds": {
"format": "int32",
"description": "Time to wait for a delivery report. After this time a delivery report with timeout error code is generated.",
"maximum": 43200,
"minimum": 60,
"type": "integer"
},
"messagingConnect": {
"$ref": "#/$defs/MessagingConnectOptions"
}
}
}
}
}
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.
Call it yourself
curl for this page
This JSON Schema
curl "https://apis.io/api/v1/json-schemas/microsoft-azure-communication-services-send-message-request"
All schemas
curl "https://apis.io/api/v1/json-schemas?limit=25"
Calls without X-API-Key need no key. Calls with it need a paid plan — get a key.
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.