Instead of ‘login’ and ‘password’ use your credentials from https://app.dataforseo.com/api-access
<?php // You can download this file from here https://cdn.dataforseo.com/v3/examples/php/php_RestClient.zip require('RestClient.php'); $api_url = 'https://api.dataforseo.com/'; try { // Instead of 'login' and 'password' use your credentials from https://app.dataforseo.com/api-access $client = new RestClient($api_url, null, 'login', 'password'); } catch (RestClientException $e) { echo "n"; print "HTTP code: {$e->getHttpCode()}n"; print "Error code: {$e->getCode()}n"; print "Message: {$e->getMessage()}n"; print $e->getTraceAsString(); echo "n"; exit(); } try { // using this method you can get a list of ai models // GET /v3/ai_optimization/claude/llm_responses/models // the full list of possible parameters is available in documentation $result = $client->get('/v3/ai_optimization/claude/llm_responses/models'); print_r($result); // do something with result } catch (RestClientException $e) { echo "n"; print "HTTP code: {$e->getHttpCode()}n"; print "Error code: {$e->getCode()}n"; print "Message: {$e->getMessage()}n"; print $e->getTraceAsString(); echo "n"; } $client = null; ?>
The above command returns JSON structured like this:
{ "version": "0.1.20250526", "status_code": 20000, "status_message": "Ok.", "time": "0.0129 sec.", "cost": 0, "tasks_count": 1, "tasks_error": 0, "tasks": [ { "id": "07211855-1535-0616-0000-13c3c3181e58", "status_code": 20000, "status_message": "Ok.", "time": "0.0000 sec.", "cost": 0, "result_count": 14, "path": [ "v3", "ai_optimization", "claude", "llm_responses", "models" ], "data": { "api": "ai_optimization", "function": "llm_responses", "se": "claude" }, "result": [ { "model_name": "claude-sonnet-4-0", "web_search_supported": true, "task_post_supported": true }, { "model_name": "claude-sonnet-4-20250514", "web_search_supported": true, "task_post_supported": true }, { "model_name": "claude-opus-4-0", "web_search_supported": true, "task_post_supported": true }, { "model_name": "claude-opus-4-20250514", "web_search_supported": true, "task_post_supported": true }, { "model_name": "claude-3-opus-20240229", "web_search_supported": false, "task_post_supported": true }, { "model_name": "claude-3-opus-latest", "web_search_supported": false, "task_post_supported": true }, { "model_name": "claude-3-haiku-20240307", "web_search_supported": false, "task_post_supported": true }, { "model_name": "claude-3-7-sonnet-20250219", "web_search_supported": true, "task_post_supported": true }, { "model_name": "claude-3-7-sonnet-latest", "web_search_supported": true, "task_post_supported": true }, { "model_name": "claude-3-5-haiku-latest", "web_search_supported": true, "task_post_supported": true } ] } ] }
You will receive the list of available Claude AI models by calling this API.
As a response of the API server, you will receive JSON-encoded data containing a tasks
array with the information specific to the set tasks.
Field name | Type | Description |
---|---|---|
version |
string | the current version of the API |
status_code |
integer | general status code you can find the full list of the response codes here |
status_message |
string | general informational message you can find the full list of general informational messages here |
time |
string | execution time, seconds |
cost |
float | total tasks cost, USD |
tasks_count |
integer | the number of tasks in the tasks array |
tasks_error |
integer | the number of tasks in the tasks array returned with an error |
tasks |
array | array of tasks |
id |
string | task identifier unique task identifier in our system in the UUID format |
status_code |
integer | status code of the task generated by DataForSEO; can be within the following range: 10000-60000 you can find the full list of the response codes here |
status_message |
string | informational message of the task you can find the full list of general informational messages here |
time |
string | execution time, seconds |
cost |
float | cost of the task, USD |
result_count |
integer | number of elements in the result array |
path |
array | URL path |
data |
object | contains the parameters passed in the URL of the GET request |
result |
array | array of results |
model_name |
string | name of the AI model |
web_search_supported |
boolean | web search support for the AI model if true , the web_search parameter can be set with the AI model |
task_post_supported |
boolean | indicates if Standard (POST-GET) data retrieval is supported if true , you can use the Standard (POST-GET) data retrieval method with the AI model |