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Creating Your First API

This guide will walk you through creating your first API endpoint with FLAPI.

Prerequisites​

Before starting, make sure you have:

  1. Installed FLAPI (Quickstart Guide)
  2. Set up your configuration (Configuration Guide)
  3. A SQL database or data source to connect to

Step 1: Create Your SQL Template​

Create a new file sqls/customers.sql in your project:

SELECT 
    customer_id,
    first_name,
    last_name,
    email
FROM customers
WHERE 
    {% if request.query.search %}
        (first_name ILIKE '%' || :search || '%' OR
         last_name ILIKE '%' || :search || '%')
    {% endif %}
LIMIT 100;

Step 2: Configure the Endpoint​

Create sqls/customers.yaml to configure the endpoint:

method: GET
path: /customers
description: List customers with optional search
parameters:
  - name: search
    in: query
    required: false
    schema:
      type: string

Step 3: Test Your API​

  1. Start FLAPI:
flapi serve
  1. Test your endpoint:
curl "http://localhost:8080/customers?search=john"

Next Steps​

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