Skip to main content
POST
/
text
cURL
curl --request POST \
  --url https://api.contiguity.com/send/text \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "to": "+1234567890"
}
'
{
  "id": "req_xxxxxxxxxxxxxxxx",
  "timestamp": 1772129047728,
  "api_version": "v2026.2.26",
  "object": "response",
  "data": {
    "message_id": "text_1234567890"
  }
}
Phone numbers must be in E.164 format with country codes. The API will attempt to convert other formats like NANP, but will throw an error if conversion fails.

Authorizations

​
Authorization
string
header
required

Bearer authentication header of the form Bearer <token>, where <token> is your auth token.

Body

application/json
​
to
string
required

Recipient's phone number. Must be in E.164 format

Example:

"+1234567890"

​
from
string | null

If you lease a phone number from Contiguity, you can use a specific one by providing it here.

Example:

"+15555555555"

​
message
string

Message to send. Required unless attachments are provided.

Example:

"Hello, world!"

​
attachments
string[] | null

Attachments to send. Must be HTTPS-secured URLs with file extensions. Max 3 attachments, 5MB cumulative size.

Maximum array length: 3
Example:
["https://example.com/image.png"]
​
fast_track
boolean

Fast-track your request (bypassing any recommended rate limiting). Only available on leased numbers. Requires acceptance of the Fast Track Terms.

Response

Send a text message

​
id
string
required
Example:

"req_xxxxxxxxxxxxxxxx"

​
timestamp
number
required
Example:

1772129047728

​
api_version
string
required
Example:

"v2026.2.26"

​
object
string
required
Example:

"response"

​
data
object
required