DEV Community

Pablo Nieto
Pablo Nieto

Posted on

Empowering AI Agents: V1 System Billing Checkout (ETL-D API)

CONTENT:

  • The Hallucination Problem:
    Language Models, particularly in the realm of billing and payments, must operate with factual precision. Traditional LLMs are capable of generating plausible responses based on learned patterns but may fall into "hallucination" where they produce incorrect or made-up information. Utilizing the '/v1/system/billing/checkout' endpoint circumvents this problem by providing deterministic output that directly interfaces with the system, thus allowing the LLM to deliver accurate billing-related functionalities like generating a Stripe Checkout URL for purchasing credits.

  • Agent Tool Architecture:
    The designated endpoint serves as a deterministic middleware that ensures consistent and reliable communication between the LLM agent and billing operations. When integrated effectively, it acts as a core utility where the agent can request specific billing actions without speculative execution. This integration guarantees that every invocation yields validated outputs or descriptive errors, allowing the agent to remain both reliable and secure.

  • Implementation:
    Below is a Python code block illustrating how to wrap the ETL-D SDK using a LangChain tool, enabling an LLM agent to interact with the billing endpoint in a robust manner:

  from etld_sdk import ETLDBillingClient  # Assuming ETL-D SDK is properly installed
  from langchain.tools import tool
  from langchain.agents import BaseAgent

  class BillingToolAgent(BaseAgent):
      def __init__(self, api_key):
          self.api_key = api_key
          self.client = ETLDBillingClient(api_key=self.api_key)

      @tool
      def create_billing_checkout(self, request_body):
          try:
              response = self.client.create_checkout_v1_system_billing_checkout_post(request_body)
              return response['checkout_url']  # Assuming 'checkout_url' is part of the response schema
          except Exception as e:
              # Detailed error handling for unexpected responses and validation errors
              if hasattr(e, 'response') and e.response.status_code == 422:
                  return f"Validation Error: {e.response.json().get('detail', 'Unspecified error')}"
              return f"An error occurred: {str(e)}"

  # Usage Example
  agent = BillingToolAgent(api_key='your_api_key_here')
  billing_response = agent.create_billing_checkout({'some': 'data'})
  print(billing_response)
Enter fullscreen mode Exit fullscreen mode
  • Deterministic Output Specs: The interaction with the '/v1/system/billing/checkout' endpoint provides a predictable and validated output: a Stripe Checkout URL. This URL is designed to be presented directly to the user, allowing them to make purchases for additional credits. Given the precision of API interaction, the agent must deal appropriately with both successful responses (200 status) and validation errors (422 status), ensuring that the feedback loop remains intact and free from ambiguity.

🔗 Get the Agent Tool Code: GitHub Gist

Top comments (0)