> ## Documentation Index > Fetch the complete documentation index at: https://developers.telnyx.com/llms.txt > Use this file to discover all available pages before exploring further. # Send a message using an alphanumeric sender ID > Send an SMS message using an alphanumeric sender ID. This is SMS only. ## OpenAPI ````yaml https://telnyx-openapi-ng.s3.us-east-1.amazonaws.com/messaging/messages.yml post /messages/alphanumeric/sender/id openapi: 3.1.0 info: title: Telnyx Messages API version: 2.0.0 description: API for sending and retrieving messages. contact: email: support@telnyx.com servers: - url: https://api.telnyx.com/v2 security: - bearerAuth: [] paths: /messages/alphanumeric/sender/id: post: tags: - Messages summary: Send a message using an alphanumeric sender ID description: Send an SMS message using an alphanumeric sender ID. This is SMS only. operationId: SendAlphanumericSenderIdMessage requestBody: required: true content: application/json: schema: type: object required: - from - to - text - messaging_profile_id properties: from: type: string description: A valid alphanumeric sender ID on the user's account. example: MyCompany to: $ref: '#/components/schemas/ToNumber' description: Receiving address (+E.164 formatted phone number). text: type: string description: The message body. messaging_profile_id: type: string format: uuid description: The messaging profile ID to use. webhook_url: type: - string - 'null' format: url description: Callback URL for delivery status updates. webhook_failover_url: type: - string - 'null' format: url description: Failover callback URL for delivery status updates. use_profile_webhooks: type: boolean description: If true, use the messaging profile's webhook settings. responses: '200': description: Successful response with the sent message. content: application/json: schema: $ref: '#/components/schemas/OutboundMessageResponse' '400': $ref: '#/components/responses/messaging_BadRequestResponse' '401': $ref: '#/components/responses/messaging_UnauthorizedResponse' '422': $ref: '#/components/responses/messaging_UnprocessableEntityResponse' x-codeSamples: - lang: JavaScript source: |- import Telnyx from 'telnyx'; const client = new Telnyx({ apiKey: process.env['TELNYX_API_KEY'], // This is the default and can be omitted }); const response = await client.messages.sendWithAlphanumericSender({ from: 'MyCompany', messaging_profile_id: '182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e', text: 'text', to: '+E.164', }); console.log(response.data); - lang: Python source: |- import os from telnyx import Telnyx client = Telnyx( api_key=os.environ.get("TELNYX_API_KEY"), # This is the default and can be omitted ) response = client.messages.send_with_alphanumeric_sender( from_="MyCompany", messaging_profile_id="182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e", text="text", to="+E.164", ) print(response.data) - lang: Go source: "package main\n\nimport (\n\t\"context\"\n\t\"fmt\"\n\n\t\"github.com/team-telnyx/telnyx-go\"\n\t\"github.com/team-telnyx/telnyx-go/option\"\n)\n\nfunc main() {\n\tclient := telnyx.NewClient(\n\t\toption.WithAPIKey(\"My API Key\"),\n\t)\n\tresponse, err := client.Messages.SendWithAlphanumericSender(context.TODO(), telnyx.MessageSendWithAlphanumericSenderParams{\n\t\tFrom: \"MyCompany\",\n\t\tMessagingProfileID: \"182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e\",\n\t\tText: \"text\",\n\t\tTo: \"+E.164\",\n\t})\n\tif err != nil {\n\t\tpanic(err.Error())\n\t}\n\tfmt.Printf(\"%+v\\n\", response.Data)\n}\n" - lang: Java source: >- package com.telnyx.sdk.example; import com.telnyx.sdk.client.TelnyxClient; import com.telnyx.sdk.client.okhttp.TelnyxOkHttpClient; import com.telnyx.sdk.models.messages.MessageSendWithAlphanumericSenderParams; import com.telnyx.sdk.models.messages.MessageSendWithAlphanumericSenderResponse; public final class Main { private Main() {} public static void main(String[] args) { TelnyxClient client = TelnyxOkHttpClient.fromEnv(); MessageSendWithAlphanumericSenderParams params = MessageSendWithAlphanumericSenderParams.builder() .from("MyCompany") .messagingProfileId("182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e") .text("text") .to("+E.164") .build(); MessageSendWithAlphanumericSenderResponse response = client.messages().sendWithAlphanumericSender(params); } } - lang: Ruby source: |- require "telnyx" telnyx = Telnyx::Client.new(api_key: "My API Key") response = telnyx.messages.send_with_alphanumeric_sender( from: "MyCompany", messaging_profile_id: "182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e", text: "text", to: "+E.164" ) puts(response) - lang: CLI source: |- telnyx messages send-with-alphanumeric-sender \ --api-key 'My API Key' \ --from MyCompany \ --messaging-profile-id 182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e \ --text text \ --to +E.164 components: schemas: ToNumber: type: string description: Receiving address (+E.164 formatted phone number or short code). example: +E.164 x-format: address OutboundMessageResponse: type: object properties: data: $ref: '#/components/schemas/OutboundMessagePayload' OutboundMessagePayload: type: object properties: record_type: type: string example: message enum: - message description: Identifies the type of the resource. direction: type: string example: outbound enum: - outbound description: >- The direction of the message. Inbound messages are sent to you whereas outbound messages are sent from you. id: type: string format: uuid description: Identifies the type of resource. type: type: string enum: - SMS - MMS description: The type of message. messaging_profile_id: type: string description: Unique identifier for a messaging profile. organization_id: type: string format: uuid description: The id of the organization the messaging profile belongs to. from: type: object properties: phone_number: type: string description: >- Sending address (+E.164 formatted phone number, alphanumeric sender ID, or short code). x-format: address carrier: type: string description: The carrier of the receiver. line_type: type: string description: The line-type of the receiver. enum: - Wireline - Wireless - VoWiFi - VoIP - Pre-Paid Wireless - '' to: type: array items: type: object properties: phone_number: type: string description: >- Receiving address (+E.164 formatted phone number or short code). x-format: address status: type: string description: The delivery status of the message. enum: - queued - sending - sent - expired - sending_failed - delivery_unconfirmed - delivered - delivery_failed carrier: type: string description: The carrier of the receiver. line_type: type: string description: The line-type of the receiver. enum: - Wireline - Wireless - VoWiFi - VoIP - Pre-Paid Wireless - '' cc: type: array items: type: object properties: phone_number: type: string description: >- Receiving address (+E.164 formatted phone number or short code). x-format: address status: type: string enum: - queued - sending - sent - delivered - sending_failed - delivery_failed - delivery_unconfirmed carrier: type: string description: The carrier of the receiver. line_type: type: string description: The line-type of the receiver. enum: - Wireline - Wireless - VoWiFi - VoIP - Pre-Paid Wireless - '' text: type: string description: |- Message body (i.e., content) as a non-empty string. **Required for SMS** subject: type: - string - 'null' description: Subject of multimedia message media: type: array items: type: object properties: url: type: string format: url description: The url of the media requested to be sent. content_type: type: - string - 'null' x-format: mime-type description: The MIME type of the requested media. sha256: type: - string - 'null' description: The SHA256 hash of the requested media. size: type: - integer - 'null' description: The size of the requested media. webhook_url: type: - string - 'null' format: url description: The URL where webhooks related to this message will be sent. webhook_failover_url: type: - string - 'null' format: url description: >- The failover URL where webhooks related to this message will be sent if sending to the primary URL fails. encoding: type: string description: Encoding scheme used for the message body. parts: type: integer minimum: 1 maximum: 10 description: Number of parts into which the message's body must be split. tags: type: array description: Tags associated with the resource. items: type: string cost: type: - object - 'null' properties: amount: type: string description: The amount deducted from your account. x-format: decimal currency: type: string description: The ISO 4217 currency identifier. x-format: iso4217 cost_breakdown: type: - object - 'null' properties: carrier_fee: type: object properties: amount: type: string description: The carrier fee amount. x-format: decimal currency: type: string description: The ISO 4217 currency identifier. x-format: iso4217 rate: type: object properties: amount: type: string description: The rate amount applied. x-format: decimal currency: type: string description: The ISO 4217 currency identifier. x-format: iso4217 description: Detailed breakdown of the message cost components. tcr_campaign_id: type: - string - 'null' description: The Campaign Registry (TCR) campaign ID associated with the message. tcr_campaign_billable: type: boolean description: Indicates whether the TCR campaign is billable. tcr_campaign_registered: type: - string - 'null' description: The registration status of the TCR campaign. example: REGISTERED received_at: type: string format: date-time description: >- ISO 8601 formatted date indicating when the message request was received. sent_at: type: - string - 'null' format: date-time description: ISO 8601 formatted date indicating when the message was sent. completed_at: type: - string - 'null' format: date-time description: ISO 8601 formatted date indicating when the message was finalized. valid_until: type: - string - 'null' description: >- Message must be out of the queue by this time or else it will be discarded and marked as 'sending_failed'. Once the message moves out of the queue, this field will be nulled format: date-time errors: type: array description: >- These errors may point at addressees when referring to unsuccessful/unconfirmed delivery statuses. items: $ref: '#/components/schemas/messaging_Error' smart_encoding_applied: type: boolean description: >- Indicates whether smart encoding was applied to this message. When `true`, one or more Unicode characters were automatically replaced with GSM-7 equivalents to reduce segment count and cost. The original message text is preserved in webhooks. wait_seconds: type: - number - 'null' format: float description: >- Seconds the message is queued due to rate limiting before being sent to the carrier. Represents the maximum wait across all applicable rate limits (account, carrier, campaign). 0.0 = no queuing delay. example: 0.5 example: record_type: message direction: outbound id: 40385f64-5717-4562-b3fc-2c963f66afa6 type: MMS messaging_profile_id: 4000eba1-a0c0-4563-9925-b25e842a7cb6 organization_id: b448f9cc-a842-4784-98e9-03c1a5872950 from: phone_number: '+18445550001' carrier: TELNYX LLC line_type: VoIP to: - phone_number: '+18665550001' status: queued carrier: T-MOBILE USA, INC. line_type: Wireless cc: [] text: Hello, World! subject: From Telnyx! media: - url: >- https://pbs.twimg.com/profile_images/1142168442042118144/AW3F4fFD_400x400.png content_type: null sha256: null size: null webhook_url: https://www.example.com/hooks webhook_failover_url: https://backup.example.com/hooks encoding: GSM-7 parts: 1 tags: - Greetings cost: amount: '0.0051' currency: USD cost_breakdown: carrier_fee: amount: '0.00305' currency: USD rate: amount: '0.00205' currency: USD tcr_campaign_id: TCPA3X7 tcr_campaign_billable: true tcr_campaign_registered: REGISTERED received_at: '2019-01-23T18:10:02.574Z' sent_at: null completed_at: null valid_until: null errors: [] wait_seconds: 0.5 messaging_Errors: properties: errors: type: array items: $ref: '#/components/schemas/messaging_Error' messaging_Error: required: - code - title properties: code: type: string x-format: integer title: type: string detail: type: string source: type: object properties: pointer: description: JSON pointer (RFC6901) to the offending entity. type: string format: json-pointer parameter: description: Indicates which query parameter caused the error. type: string meta: type: object responses: messaging_BadRequestResponse: description: Bad Request content: application/json: schema: $ref: '#/components/schemas/messaging_Errors' messaging_UnauthorizedResponse: description: Unauthorized content: application/json: schema: $ref: '#/components/schemas/messaging_Errors' messaging_UnprocessableEntityResponse: description: Unprocessable Entity content: application/json: schema: $ref: '#/components/schemas/messaging_Errors' securitySchemes: bearerAuth: scheme: bearer type: http ````