> ## Documentation Index
> Fetch the complete documentation index at: https://phidatainc.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Latitude Via OpenInference

> Stream an async YFinance stock-price agent and export its OpenInference spans to Latitude's OTLP ingest endpoint via bearer-token and project headers.

Demonstrates instrumenting an Agno agent with OpenInference and sending traces to Latitude.

```python latitude_via_openinference.py theme={null}
"""
Latitude Via OpenInference
==========================

Demonstrates instrumenting an Agno agent with OpenInference and sending traces to Latitude.
"""

import asyncio
import os

from agno.agent import Agent
from agno.models.openai import OpenAIChat
from agno.tools.yfinance import YFinanceTools
from openinference.instrumentation.agno import AgnoInstrumentor
from opentelemetry.exporter.otlp.proto.http.trace_exporter import OTLPSpanExporter
from opentelemetry.sdk.trace import TracerProvider
from opentelemetry.sdk.trace.export import SimpleSpanProcessor

# ---------------------------------------------------------------------------
# Setup
# ---------------------------------------------------------------------------
# Latitude's ingestion endpoint speaks standard OTLP over HTTP. The exporter
# appends "/v1/traces" to the base OTEL_EXPORTER_OTLP_ENDPOINT.
os.environ["OTEL_EXPORTER_OTLP_ENDPOINT"] = "https://ingest.latitude.so"
os.environ["OTEL_EXPORTER_OTLP_HEADERS"] = (
    f"Authorization=Bearer {os.getenv('LATITUDE_API_KEY')},"
    f"X-Latitude-Project={os.getenv('LATITUDE_PROJECT')}"
)

tracer_provider = TracerProvider()
tracer_provider.add_span_processor(SimpleSpanProcessor(OTLPSpanExporter()))

# Start instrumenting agno
AgnoInstrumentor().instrument(tracer_provider=tracer_provider)


# ---------------------------------------------------------------------------
# Create Agent
# ---------------------------------------------------------------------------
agent = Agent(
    name="Stock Price Agent",
    model=OpenAIChat(id="gpt-5.2"),
    tools=[YFinanceTools()],
    instructions="You are a stock price agent. Answer questions in the style of a stock analyst.",
)


# ---------------------------------------------------------------------------
# Run Example
# ---------------------------------------------------------------------------
async def main() -> None:
    await agent.aprint_response(
        "What is the current price of Tesla? Then find the current price of NVIDIA",
        stream=True,
    )


if __name__ == "__main__":
    asyncio.run(main())
```

## Run the Example

<Steps>
  <Snippet file="create-venv-step.mdx" />

  <Step title="Install dependencies">
    ```bash theme={null}
    uv pip install -U agno openai openinference-instrumentation-agno opentelemetry-exporter-otlp opentelemetry-sdk yfinance
    ```
  </Step>

  <Step title="Export environment variables">
    <CodeGroup>
      ```bash Mac/Linux theme={null}
      export LATITUDE_API_KEY="your_latitude_api_key_here"
      export LATITUDE_PROJECT="your_latitude_project_here"
      export OPENAI_API_KEY="your_openai_api_key_here"
      ```

      ```bash Windows theme={null}
      $Env:LATITUDE_API_KEY="your_latitude_api_key_here"
      $Env:LATITUDE_PROJECT="your_latitude_project_here"
      $Env:OPENAI_API_KEY="your_openai_api_key_here"
      ```
    </CodeGroup>
  </Step>

  <Step title="Run the example">
    Save the code above as `latitude_via_openinference.py`, then run:

    ```bash theme={null}
    python latitude_via_openinference.py
    ```
  </Step>
</Steps>

Full source: [cookbook/observability/latitude\_via\_openinference.py](https://github.com/agno-agi/agno/blob/main/cookbook/observability/latitude_via_openinference.py)