Steps for extracting URL parameters from AWS API Gateway and passing them to a lambda function

After successfully setting up my API gateway and connecting it to my lambda function, I specified the URL as {id} with the intention of passing this parameter into the lambda.

Despite numerous attempts using both the default template and a custom one for integration requests, the lambda is still unable to recognize the parameters passed through the API gateway (id).

I have experimented with assigning id to various parameters in my node.js lambda function, mapping it to path.params.id and other variables, as well as trying the string query method. However, the lambda continues to fail at detecting the presence of the parameter. Any suggestions?

javascriptnode.jsamazon-web-servicesaws-lambdaaws-api-gateway

Answer №1

Here is a lambda function sample that extracts the id path parameter:

module.exports.get = (event, context, callback) => {
  const { id } = event.pathParameters;
  console.log("id", id); 
};

You can also retrieve query string parameters using event.queryStringParameters.

For more detailed information, refer to the AWS documentation.

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