Create a campaign
Create a campaign. ad_account_id is injected from the resolved ad account. start_time/end_time are interpreted in the AD ACCOUNT's timezone (ours is America/Los_Angeles despite a PL organization), and budget fields are micro units of the ad account's currency
Request
- x-api-key: <your-api-key>
- Content-Type: application/json
Response
{
"campaign": {
"ad_account_id": "ada_894770",
"buy_model": "gpt-4o",
"daily_budget_micro": 10,
"end_time": "10:00",
"id": "msg_176637",
"lifetime_spend_cap_micro": 38,
"name": "Ada Lovelace",
"objective_v2_properties": {},
"start_time": "10:00",
"status": "success"
},
"status": "success",
"tokensDeducted": 1
}What it does
Create a campaign. ad_account_id is injected from the resolved ad account. start_time/end_time are interpreted in the AD ACCOUNT's timezone (ours is America/Los_Angeles despite a PL organization), and budget fields are micro units of the ad account's currency
Request
Body
| Field | Type | Required | Description |
|---|---|---|---|
accountId | string | no | |
adAccountId | string | no | |
buy_model | enum | yes | One of: AUCTION, RESERVED. |
daily_budget_micro | integer | no | Micro units of the AD ACCOUNT currency |
end_time | string | no | |
lifetime_spend_cap_micro | integer | no | Micro units of the AD ACCOUNT currency |
name | string | yes | |
objective_v2_properties | object | yes | |
↳ objective_v2_type | enum | no | One of: AWARENESS_AND_ENGAGEMENT, SALES, TRAFFIC, APP_PROMOTION, LEADS. |
↳ promotion_type | string | no | |
start_time | string | yes | |
status | enum | yes | One of: ACTIVE, PAUSED. |
Example request
{
"accountId": "acc_715474",
"adAccountId": "ada_610452",
"buy_model": "AUCTION",
"daily_budget_micro": 10,
"end_time": "10:00",
"lifetime_spend_cap_micro": 38,
"name": "Ada Lovelace",
"objective_v2_properties": {
"objective_v2_type": "AWARENESS_AND_ENGAGEMENT",
"promotion_type": "standard"
},
"start_time": "10:00",
"status": "ACTIVE"
}Response
| Field | Type | Description |
|---|---|---|
campaign | object | |
↳ ad_account_id | string | |
↳ buy_model | string | |
↳ daily_budget_micro | integer | |
↳ end_time | string | |
↳ id | string | |
↳ lifetime_spend_cap_micro | integer | |
↳ name | string | |
↳ objective_v2_properties | object | |
↳ start_time | string | |
↳ status | string | |
status | string | |
tokensDeducted | integer |
Example response
{
"campaign": {
"ad_account_id": "ada_894770",
"buy_model": "gpt-4o",
"daily_budget_micro": 10,
"end_time": "10:00",
"id": "msg_176637",
"lifetime_spend_cap_micro": 38,
"name": "Ada Lovelace",
"objective_v2_properties": {},
"start_time": "10:00",
"status": "success"
},
"status": "success",
"tokensDeducted": 1
}Errors
Every error answers with the same envelope: an HTTP status, a machine code and a sentence.
400 | The body or a parameter failed validation. The details array names the field. |
401 | No key, a revoked key or a wrong header. Send x-api-key. |
402 | The wallet cannot cover this call. Top up or wait for the monthly grant. |
404 | The resource does not exist, or it is not yours. Both answer identically and cost nothing. |
429 | Over the per-minute quota of your tier. Back off and retry. |
5xx | Upstream refused or timed out. The call is not billed. |
Code
curl -X POST 'https://app.castomapi.com/v1/snapchat-ads/campaigns' \
-H 'x-api-key: <your-api-key>' \
-H 'Content-Type: application/json' \
-d '{"accountId": "acc_715474", "adAccountId": "ada_610452", "buy_model": "AUCTION", "daily_budget_micro": 10, "end_time": "10:00", "lifetime_spend_cap_micro": 38, "name": "Ada Lovelace", "objective_v2_properties": {"objective_v2_type": "AWARENESS_AND_ENGAGEMENT", "promotion_type": "standard"}, "start_time": "10:00", "status": "ACTIVE"}'const res = await fetch('https://app.castomapi.com/v1/snapchat-ads/campaigns', {
method: 'POST',
headers: { 'x-api-key': '<your-api-key>', 'Content-Type': 'application/json' },
body: JSON.stringify({"accountId": "acc_715474", "adAccountId": "ada_610452", "buy_model": "AUCTION", "daily_budget_micro": 10, "end_time": "10:00", "lifetime_spend_cap_micro": 38, "name": "Ada Lovelace", "objective_v2_properties": {"objective_v2_type": "AWARENESS_AND_ENGAGEMENT", "promotion_type": "standard"}, "start_time": "10:00", "status": "ACTIVE"})
});
const data = await res.json();
console.log(data);import { request } from 'node:https';
// Node 18+ has fetch built in
const res = await fetch('https://app.castomapi.com/v1/snapchat-ads/campaigns', {
method: 'POST',
headers: { 'x-api-key': '<your-api-key>', 'Content-Type': 'application/json' },
body: JSON.stringify({"accountId": "acc_715474", "adAccountId": "ada_610452", "buy_model": "AUCTION", "daily_budget_micro": 10, "end_time": "10:00", "lifetime_spend_cap_micro": 38, "name": "Ada Lovelace", "objective_v2_properties": {"objective_v2_type": "AWARENESS_AND_ENGAGEMENT", "promotion_type": "standard"}, "start_time": "10:00", "status": "ACTIVE"})
});
const data = await res.json();
console.log(data);import requests
res = requests.post(
'https://app.castomapi.com/v1/snapchat-ads/campaigns',
headers={'x-api-key': '<your-api-key>'},
json={"accountId": "acc_715474", "adAccountId": "ada_610452", "buy_model": "AUCTION", "daily_budget_micro": 10, "end_time": "10:00", "lifetime_spend_cap_micro": 38, "name": "Ada Lovelace", "objective_v2_properties": {"objective_v2_type": "AWARENESS_AND_ENGAGEMENT", "promotion_type": "standard"}, "start_time": "10:00", "status": "ACTIVE"},
timeout=30,
)
print(res.json())<?php
$ch = curl_init('https://app.castomapi.com/v1/snapchat-ads/campaigns');
curl_setopt_array($ch, [
CURLOPT_CUSTOMREQUEST => 'POST',
CURLOPT_RETURNTRANSFER => true,
CURLOPT_HTTPHEADER => ['x-api-key: <your-api-key>', 'Content-Type: application/json'],
CURLOPT_POSTFIELDS => json_encode(['accountId' => 'acc_715474', 'adAccountId' => 'ada_610452', 'buy_model' => 'AUCTION', 'daily_budget_micro' => 10, 'end_time' => '10:00', 'lifetime_spend_cap_micro' => 38, 'name' => 'Ada Lovelace', 'objective_v2_properties' => ['objective_v2_type' => 'AWARENESS_AND_ENGAGEMENT', 'promotion_type' => 'standard'], 'start_time' => '10:00', 'status' => 'ACTIVE']),
]);
$data = json_decode(curl_exec($ch), true);
print_r($data);Cost and limits
This operation costs 1 token. A call that fails is never billed. Every account gets 1000 free tokens a month; paid balances never expire.
Rate limits per minute
| No key | 10 |
| Free | 60 |
| Pro | 300 |
| Enterprise | 1200 |
Questions
What does Create a campaign cost?
1 token per successful call, debited from your wallet after the response. Failed calls are free. Every account receives 1000 free tokens a month.
How do I authenticate?
Send your key in the x-api-key header. One key covers every metered endpoint; there is nothing to enable per endpoint.
Can I send an Authorization: Bearer token instead?
Not for a metered endpoint — those take the x-api-key header and nothing else. Bearer tokens belong to the account side: the dashboard and account APIs accept a JWT session, and castomapi-auth issues those through a standard OAuth2 handshake, with authorization code, client credentials and refresh grants. The auth service page covers it.
What are the limits?
10 requests a minute per IP with no key at all, 60 a minute on the free tier, 300 on Pro, 1200 on Enterprise. Above the no-key tier the quota is per account, across every endpoint.
OpenAPI: https://app.castomapi.com/docs/json