Fazendo requisições à API da OpenAI
Trabalhar com a API da OpenAI
James Chapman
Curriculum Manager, DataCamp
Endpoints de API
Endpoints de API
Endpoints de API
- Endpoints → ponto de acesso da API para interações específicas
Autenticação de API
- Autenticação → controle de acesso aos serviços do endpoint da API (geralmente uma chave única)
Custos de uso da API
- Para a API da OpenAI:
- Modelo
- Entradas + saídas maiores = custo maior
- Sem custos extras neste curso 🎉
1 https://openai.com/pricing
Criando uma chave de API
- Não é obrigatório neste curso
Cria tua conta → https://platform.openai.com/signup
Vai até a página de chaves da API → https://platform.openai.com/account/api-keys
Cria uma nova chave secreta e copia
Fazendo uma requisição
from openai import OpenAIclient = OpenAI(api_key="ENTER YOUR KEY HERE")response = client.chat.completions.create(model="gpt-4o-mini",messages=[{"role": "user", "content": "What is the OpenAI API?"}])print(response)
A resposta
ChatCompletion(id='chatcmpl-AEcQbQekIzxcxVAKYVAjgUAXokgrl', choices=[Choice(finish_reason='length', index=0,
logprobs=None, message=ChatCompletionMessage(content='The OpenAI API is a cloud-based service provided by
OpenAI that allows developers to integrate advanced AI models into their applications.', refusal=None,
role='assistant', function_call=None, tool_calls=None))], created=1728047673, model='gpt-4o-mini-2024-07-18',
object='chat.completion', service_tier=None, system_fingerprint='fp_f85bea6784',
usage=CompletionUsage(completion_tokens=30, prompt_tokens=14, total_tokens=44,
prompt_tokens_details={'cached_tokens': 0}, completion_tokens_details={'reasoning_tokens': 0}))
A resposta
ChatCompletion(id='chatcmpl-AEcQbQekIzxcxVAKYVAjgUAXokgrl',
choices=[Choice(finish_reason='length', index=0, logprobs=None,
message=ChatCompletionMessage(content='The OpenAI API is a cloud-based service
provided by OpenAI that allows developers to integrate advanced AI models
into their applications.',
refusal=None, role='assistant', function_call=None, tool_calls=None))],
created=1728047673,
model='gpt-4o-mini-2024-07-18',
object='chat.completion', service_tier=None, system_fingerprint='fp_f85bea6784',
usage=CompletionUsage(completion_tokens=25, prompt_tokens=14, total_tokens=39,
prompt_tokens_details={'cached_tokens': 0},
completion_tokens_details={'reasoning_tokens': 0}))
Interpretando a resposta
print(response.choices)
[Choice(finish_reason='length', index=0, logprobs=None,
message=ChatCompletionMessage(content='The OpenAI API is a cloud-based service provided by
OpenAI that allows developers to integrate advanced AI models into their applications.',
refusal=None, role='assistant', function_call=None, tool_calls=None))]
Interpretando a resposta
print(response.choices[0])
Choice(finish_reason='length', index=0, logprobs=None,
message=ChatCompletionMessage(content='The OpenAI API is a cloud-based service provided by
OpenAI that allows developers to integrate advanced AI models into their applications.',
refusal=None, role='assistant', function_call=None, tool_calls=None))
Interpretando a resposta
print(response.choices[0].message)
ChatCompletionMessage(content='The OpenAI API is a cloud-based service provided by
OpenAI that allows developers to integrate advanced AI models into their applications.',
refusal=None, role='assistant', function_call=None, tool_calls=None)
print(response.choices[0].message.content)
The OpenAI API is a cloud-based service provided by OpenAI that allows developers to
integrate advanced AI models into their applications.
Vamos praticar!
Trabalhar com a API da OpenAI
