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FastAPI Instrumentation

This feature requires AppSignal for Python version 0.1.4 or higher.
This feature requires FastAPI version 0.58 or higher.

FastAPI is a modern, high-performance web framework for building APIs with Python.

Installation

Don't forget to install the AppSignal for Python package in your application first.

First, install the opentelemetry-instrumentation-fastapi package. To add it to your project, add the following line to your requirements.txt file:

Shell
# requirements.txt
opentelemetry-instrumentation-fastapi

Setup

Start AppSignal and define your FastAPI application. Then use the FastAPIInstrumentor to instrument your FastAPI application:

Python
# app.py
from fastapi import FastAPI
from opentelemetry.instrumentation.fastapi import FastAPIInstrumentor
 
import appsignal
appsignal.start()
 
app = FastAPI()
 
# ... your app's code goes here ...
 
FastAPIInstrumentor().instrument_app(app)