{ "info": { "_postman_id": "76a5a0fc-5d6b-41a9-8c26-0ca44d363733", "name": "Transmit SMS API", "description": "
With so many SMS APIs on the market today, you might think that they all do the same thing: send text messages. But with our flexible and powerful suite of APIs, you can do more than that.
", "schema": "https://schema.getpostman.com/json/collection/v2.1.0/collection.json", "createdAt": "2026-07-28T02:01:24.000Z", "updatedAt": "2026-07-28T02:01:24.000Z", "lastUpdatedBy": "35240", "uid": "35240-76a5a0fc-5d6b-41a9-8c26-0ca44d363733" }, "item": [ { "name": "send-sms.json", "item": [ { "name": "Send SMS", "id": "85ee2940-46ae-45c6-85fd-031dd91781fe", "protocolProfileBehavior": { "disableBodyPruning": true }, "request": { "auth": { "type": "basic", "basic": [ { "key": "username", "value": "{{basicAuthUsername}}", "type": "string" }, { "key": "password", "value": "{{basicAuthPassword}}", "type": "string" } ] }, "method": "POST", "header": [ { "key": "Content-Type", "value": "application/x-www-form-urlencoded" }, { "key": "Accept", "value": "text/plain" } ], "body": { "mode": "urlencoded", "urlencoded": [ { "description": "(Required) Message Content Can be up to 612 alphanumeric characters. A part is 160 characters for a single SMS or 153 characters per part for multi-part SMS. If the message contains Unicode UTF8 encoded characters such as emoji\u2019s or non latin character sets, then a single part is 70 characters or 67 characters for multiple parts. More information on message length and encoding: SMS message length and character count", "key": "message", "value": "