Parsing secrets from AWS secrets manager using AWS cli

Use the --query option of the CLI to extract just the secret.

aws secretsmanager get-secret-value --secret-id secrets --query SecretString --output text

Small addition to helloV answer. You can add the output parameter text to remove the quotes.

aws secretsmanager get-secret-value \
   --secret-id secrets \
   --query SecretString \
   --output text

aws secretsmanager get-secret-value --secret-id secrets| jq --raw-output '.SecretString' | jq -r .API_KEY

using jq you can print.