Update a contact
PATCH /v1/contacts/{id}
Only the fields sent change. tags and fields replace what is stored; null clears name or notes, and null or an empty string clears any other optional property.
Send your API key as a bearer token: Authorization: Bearer ssms_sk_.... Test keys run this endpoint against the sandbox; see Authentication for key modes and scopes.
Path parameters
| Name | Type | Required | Description |
|---|---|---|---|
id | string | Yes |
Request body
JSON (Content-Type: application/json).
| Field | Type | Required | Description |
|---|---|---|---|
phone_number | string | No | E.164, US or Canada |
name | string | No | At most 120 characters. Nullable. |
tags | array of string | No | At most 20 items. |
fields | object | No | Up to 20 string values |
notes | string | No | At most 2000 characters. Nullable. |
first_name | string | No | At most 80 characters. Nullable. |
last_name | string | No | At most 80 characters. Nullable. |
email | string | No | At most 254 characters. Nullable. |
company | string | No | At most 120 characters. Nullable. |
state | string | No | At most 40 characters. Nullable. |
source | string | No | At most 60 characters. Nullable. |
Responses
| Status | Meaning | Body |
|---|---|---|
| 200 | The contact | Contact |
| 401 | Missing, malformed, or revoked API key | Error |
| 402 | Billable live calls only: the prepaid credit balance cannot cover the call (insufficient_credits); nothing was done or charged | Error |
| 404 | Not found | Error |
| 409 | phone_number already used by another contact | Error |
| 429 | Rate limit or quota exceeded | Error |
200: Contact fields
| Field | Type | Description |
|---|---|---|
id | string | Example: ct_a1B2c3D4e5F6. |
object | contact | |
phone_number | string | Example: +14155550132. |
name | string | Nullable. |
tags | array of string | Free-form labels; they double as broadcast audiences |
fields | object | |
notes | string | Nullable. |
first_name | string | Nullable. |
last_name | string | Nullable. |
email | string | Nullable. |
company | string | Nullable. |
state | string | Nullable. |
source | string | Nullable. |
import_id | string | The last import that touched this contact Nullable. |
opt_in | object | Nullable. |
opt_in.source | string | Nullable. |
opt_in.collected_at | string (date-time) | Nullable. |
created_at | string (date-time) | |
updated_at | string (date-time) | |
consent_status | opted_out, opted_in, no_record | Only on retrieve |
topics | array of TopicSubscription | Only on retrieve |
segments | array of object | Only on retrieve |
segments[].id | string | |
segments[].name | string |
Errors
| Status | When |
|---|---|
| 401 | Missing, malformed, or revoked API key |
| 402 | Billable live calls only: the prepaid credit balance cannot cover the call (insufficient_credits); nothing was done or charged |
| 404 | Not found |
| 409 | phone_number already used by another contact |
| 429 | Rate limit or quota exceeded |
Every error has the same JSON shape, and request_id matches the X-Request-Id response header. Errors lists every code and what to do about it.
json
{
"error": {
"code": "invalid_request",
"message": "What went wrong, in plain words.",
"param": "the_field",
"request_id": "req_a1B2c3D4e5F6g7H8"
}
}Examples
curl
bash
curl -X PATCH "https://api.joinsimplesms.com/v1/contacts/ct_a1B2c3D4e5F6" \
-H "Authorization: Bearer $SIMPLESMS_API_KEY" \
-H "Content-Type: application/json" \
-d '{}'Node.js
javascript
import { SimpleSMS } from 'joinsimplesms'; // npm install joinsimplesms
const sms = new SimpleSMS(process.env.SIMPLESMS_API_KEY);
const contact = await sms.contacts.update('ct_a1B2c3D4e5F6', { name: 'Jane D.' });Python
python
import os
from joinsimplesms import SimpleSMS # pip install joinsimplesms
client = SimpleSMS(os.environ["SIMPLESMS_API_KEY"])
contact = client.contacts.update("ct_a1B2c3D4e5F6", name="Jane D.")