Write text-only ad copy variants (headline, subheadline/primary text, CTA, optional offer + body) for the team's brand or product. Grounded in the brand kit when available. Free

Write text-only ad copy variants (headline, subheadline/primary text, CTA, optional offer + body) for the team's brand or product. Grounded in the brand kit when available. Free — no generation credits used.

curl --request POST \
  --url https://app.adstellar.ai/api/v1/tools/generate_ad_copy \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "productId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "brandKitId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "count": 5,
  "tone": "<string>",
  "adGoal": "<string>",
  "customInstructions": "<string>",
  "workspaceId": "3c90c3cc-0d44-4b50-8888-8dd25736052a"
}
'

import requests

url = "https://app.adstellar.ai/api/v1/tools/generate_ad_copy"

payload = {
    "productId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "brandKitId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "count": 5,
    "tone": "<string>",
    "adGoal": "<string>",
    "customInstructions": "<string>",
    "workspaceId": "3c90c3cc-0d44-4b50-8888-8dd25736052a"
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

response = requests.post(url, json=payload, headers=headers)

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    productId: '3c90c3cc-0d44-4b50-8888-8dd25736052a',
    brandKitId: '3c90c3cc-0d44-4b50-8888-8dd25736052a',
    count: 5,
    tone: '<string>',
    adGoal: '<string>',
    customInstructions: '<string>',
    workspaceId: '3c90c3cc-0d44-4b50-8888-8dd25736052a'
  })
};

fetch('https://app.adstellar.ai/api/v1/tools/generate_ad_copy', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://app.adstellar.ai/api/v1/tools/generate_ad_copy",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => json_encode([
    'productId' => '3c90c3cc-0d44-4b50-8888-8dd25736052a',
    'brandKitId' => '3c90c3cc-0d44-4b50-8888-8dd25736052a',
    'count' => 5,
    'tone' => '<string>',
    'adGoal' => '<string>',
    'customInstructions' => '<string>',
    'workspaceId' => '3c90c3cc-0d44-4b50-8888-8dd25736052a'
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "Content-Type: application/json"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://app.adstellar.ai/api/v1/tools/generate_ad_copy"

	payload := strings.NewReader("{\n  \"productId\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\",\n  \"brandKitId\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\",\n  \"count\": 5,\n  \"tone\": \"<string>\",\n  \"adGoal\": \"<string>\",\n  \"customInstructions\": \"<string>\",\n  \"workspaceId\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\"\n}")

	req, _ := http.NewRequest("POST", url, payload)

	req.Header.Add("Authorization", "Bearer <token>")
	req.Header.Add("Content-Type", "application/json")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.post("https://app.adstellar.ai/api/v1/tools/generate_ad_copy")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"productId\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\",\n  \"brandKitId\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\",\n  \"count\": 5,\n  \"tone\": \"<string>\",\n  \"adGoal\": \"<string>\",\n  \"customInstructions\": \"<string>\",\n  \"workspaceId\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://app.adstellar.ai/api/v1/tools/generate_ad_copy")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"productId\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\",\n  \"brandKitId\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\",\n  \"count\": 5,\n  \"tone\": \"<string>\",\n  \"adGoal\": \"<string>\",\n  \"customInstructions\": \"<string>\",\n  \"workspaceId\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\"\n}"

response = http.request(request)
puts response.read_body

POST

tools

generate_ad_copy

curl --request POST \
  --url https://app.adstellar.ai/api/v1/tools/generate_ad_copy \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "productId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "brandKitId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "count": 5,
  "tone": "<string>",
  "adGoal": "<string>",
  "customInstructions": "<string>",
  "workspaceId": "3c90c3cc-0d44-4b50-8888-8dd25736052a"
}
'

import requests

url = "https://app.adstellar.ai/api/v1/tools/generate_ad_copy"

payload = {
    "productId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "brandKitId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "count": 5,
    "tone": "<string>",
    "adGoal": "<string>",
    "customInstructions": "<string>",
    "workspaceId": "3c90c3cc-0d44-4b50-8888-8dd25736052a"
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

response = requests.post(url, json=payload, headers=headers)

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    productId: '3c90c3cc-0d44-4b50-8888-8dd25736052a',
    brandKitId: '3c90c3cc-0d44-4b50-8888-8dd25736052a',
    count: 5,
    tone: '<string>',
    adGoal: '<string>',
    customInstructions: '<string>',
    workspaceId: '3c90c3cc-0d44-4b50-8888-8dd25736052a'
  })
};

fetch('https://app.adstellar.ai/api/v1/tools/generate_ad_copy', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://app.adstellar.ai/api/v1/tools/generate_ad_copy",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => json_encode([
    'productId' => '3c90c3cc-0d44-4b50-8888-8dd25736052a',
    'brandKitId' => '3c90c3cc-0d44-4b50-8888-8dd25736052a',
    'count' => 5,
    'tone' => '<string>',
    'adGoal' => '<string>',
    'customInstructions' => '<string>',
    'workspaceId' => '3c90c3cc-0d44-4b50-8888-8dd25736052a'
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "Content-Type: application/json"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://app.adstellar.ai/api/v1/tools/generate_ad_copy"

	payload := strings.NewReader("{\n  \"productId\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\",\n  \"brandKitId\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\",\n  \"count\": 5,\n  \"tone\": \"<string>\",\n  \"adGoal\": \"<string>\",\n  \"customInstructions\": \"<string>\",\n  \"workspaceId\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\"\n}")

	req, _ := http.NewRequest("POST", url, payload)

	req.Header.Add("Authorization", "Bearer <token>")
	req.Header.Add("Content-Type", "application/json")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.post("https://app.adstellar.ai/api/v1/tools/generate_ad_copy")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"productId\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\",\n  \"brandKitId\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\",\n  \"count\": 5,\n  \"tone\": \"<string>\",\n  \"adGoal\": \"<string>\",\n  \"customInstructions\": \"<string>\",\n  \"workspaceId\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://app.adstellar.ai/api/v1/tools/generate_ad_copy")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"productId\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\",\n  \"brandKitId\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\",\n  \"count\": 5,\n  \"tone\": \"<string>\",\n  \"adGoal\": \"<string>\",\n  \"customInstructions\": \"<string>\",\n  \"workspaceId\": \"3c90c3cc-0d44-4b50-8888-8dd25736052a\"\n}"

response = http.request(request)
puts response.read_body

Authorizations

Authorization

string

header

required

AdStellar API key (ast_live_...)

Body

application/json

productId

string<uuid>

Product id — resolves the linked brand kit + product description. Preferred when set.

Pattern:

^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$

brandKitId

string<uuid>

Brand kit id. Falls back to the product link or the workspace default kit.

Pattern:

^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$

count

integer

Number of variants (default 5).

Required range: 1 <= x <= 10

tone

string

Desired tone, e.g. "bold and punchy", "warm", "premium".

Maximum string length: 120

length

enum<string>

Rough copy length.

Available options:

short,

medium,

long

adGoal

string

What the ad should achieve, e.g. "drive free trial signups".

Maximum string length: 200

customInstructions

string

Any extra direction.

Maximum string length: 500

workspaceId

string<uuid>

Resolve the brand kit/product within one workspace this credential can access. Omit to span all of them.

Pattern:

^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$

Response

Tool result

List text-to-speech voices available for video generation (ElevenLabs library, cached). Optionally filter by a search term (name/accent/gender).Query synced Meta ads performance (spend, impressions, clicks, results, ROAS, budget) grouped by campaign / ad set / ad / creative component, over a date range. Use list_ad_accounts first to discover ad account ids. Data freshness depends on the team's sync schedule; check last_synced_at in list_ad_accounts.