Obtain Access Token

curl --request POST \
  --url https://auth.interactsms.com/token \
  --header 'Content-Type: application/x-www-form-urlencoded' \
  --data username=your_username \
  --data password=your_strong_password \
  --data client_id=ismstoken \
  --data grant_type=password

{
  "access_token": "eyJhbGciOiJSUzI1NiIsInR5cCIgOiAiSldUIiwia2lkIiA6ICJE...",
  "expires_in": 120,
  "refresh_expires_in": 1200,
  "refresh_token": "eyJhbGciOiJIUzUxMiIsInR5cCIgOiAiSldUIiwia2lkIiA6ICJh...",
  "token_type": "Bearer",
  "scope": "email profile client_id"
}

Authentication

Obtain Access Token

Use this request to obtain a JWT access token for authenticating with the API.

Token Endpoint: https://auth.interactsms.com/token
Grant Type: password
Content-Type: application/x-www-form-urlencoded

Request body form fields:

grant_type=password
username=your_username
password=your_strong_password
client_id=ismstoken

Successful Response will include:

access_token — JWT to be passed in Authorization: Bearer {token}
expires_in — Time in seconds before token expires
refresh_token — Token used to obtain a new access token
scope, session_state, etc.

This path is included for documentation only. Make actual requests directly to https://auth.interactsms.com/token.

POST

token

Obtain Access Token

curl --request POST \
  --url https://auth.interactsms.com/token \
  --header 'Content-Type: application/x-www-form-urlencoded' \
  --data username=your_username \
  --data password=your_strong_password \
  --data client_id=ismstoken \
  --data grant_type=password

{
  "access_token": "eyJhbGciOiJSUzI1NiIsInR5cCIgOiAiSldUIiwia2lkIiA6ICJE...",
  "expires_in": 120,
  "refresh_expires_in": 1200,
  "refresh_token": "eyJhbGciOiJIUzUxMiIsInR5cCIgOiAiSldUIiwia2lkIiA6ICJh...",
  "token_type": "Bearer",
  "scope": "email profile client_id"
}

Body

application/x-www-form-urlencoded

username

string

required

password

string

required

client_id

enum<string>

required

Available options:

ismstoken

grant_type

enum<string>

required

Available options:

password

Response

JWT Token Response Body

access_token

string

required

JWT access token to pass in the Authorization header.

expires_in

integer

required

Number of seconds before the access token expires.

refresh_token

string

required

Token used to obtain a new access token.

token_type

enum<string>

required

Available options:

Bearer

refresh_expires_in

integer

Number of seconds before the refresh token expires.

scope

string

Space-delimited scopes associated with the token.

Last modified on June 10, 2026

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