parametrized_flow_run_via_api_call.py

import os
import requests

API_KEY = os.environ["API_KEY"]
FLOW_VERSION_GROUP_ID = os.environ["FLOW_VERSION_GROUP_ID"]

create_mutation = """
mutation($input: createFlowRunInput!){
    createFlowRun(input: $input){
        flow_run{
            id
        }
    }
}
"""

inputs = dict(versionGroupId=FLOW_VERSION_GROUP_ID, parameters=dict(x=6))
response = requests.post(
    url="https://api.prefect.io",
    json=dict(query=create_mutation, variables=dict(input=inputs)),
    headers=dict(authorization=f"Bearer {API_KEY}"),
)
print(response.status_code)
print(response.text)