Send OTP
msg91.send_otp
ActionVoice & SMSconnection required
Calls the MSG91 API with the connection's credentials.
Generate and send a one-time password to a mobile number using an MSG91 OTP template.
Connection
- Required
- Yes — the node will not save without one
- Auth type
- API key
- Providers
- MSG91
- Secret shape
- the MSG91 authkey, or {"authkey": "…"}
- Config it needs
- base_url, sms_template_id, otp_template_id
- Resolved by
- config.connection_id, else node.connection_id
Configuration
8 fields, 1 required. A dotted path is a nested object and name[] an array of objects — the editor renders the same tree.
| Field | Type | Required | Default | Constraints | Example |
|---|---|---|---|---|---|
mobile Recipient number in international format, country code first and no plus sign. | string | Yes | — | — | 919000000000 |
template_id MSG91 template to use; overrides the default template set on the connection. | string | No | — | — | 65f1b2c3d4e5f60718293a4b |
otp Send this exact code instead of letting MSG91 generate one. | string | No | — | — | — |
otp_length How many digits a generated code has; MSG91 defaults to four. | number | No | — | 4–9 | — |
otp_expiry How long the code stays valid, in minutes; MSG91 defaults to 15. | number | No | — | 1–10080 | — |
variables Extra template variables to fill in the OTP message; keys are case-sensitive and match the ##var## names in the template. | object | No | — | — | {"company":"Acme"} |
unicode Send the message as Unicode, for a template written in a language other than English. | boolean | No | — | — | — |
real_time_response Ask MSG91 to answer with the uncached submission result so most API errors surface on this call instead of later. | boolean | No | — | — | — |
Example configuration
Every value below is the contract’s own example or default — nothing invented.
{
"mobile": "919000000000",
"template_id": "65f1b2c3d4e5f60718293a4b",
"variables": {
"company": "Acme"
}
}Output
One shape.
result
| Field | Type | Example |
|---|---|---|
request_id MSG91's id for this OTP submission; quote it in support tickets. | string | — |
type MSG91's own result word, 'success' on a send. | string | — |
mobile The number the code was sent to. | string | — |
{
"mobile": "",
"request_id": "",
"type": ""
}See Send OTP run in a workflow.
In a technical demo we add the MSG91 connection, drop the node on the canvas and let Workflow Health pre-flight it before the first real run.