This n8n workflow is designed to monitor API usage limits and send notifications when thresholds are exceeded. It integrates Airtable to retrieve data, uses Redis to track API call counts per minute and hour, and triggers alerts when predefined limits are reached.
Workflow steps:
1. The process begins with a webhook trigger, which receives incoming API requests along with an API key.
2. The API key is stored in a Set node that combines it with timestamps to create unique keys for tracking.
3. Redis nodes increment counters for the API key to keep track of the number of calls per minute and hour.
4. Conditional nodes check whether the API call counts exceed the set limits (10 calls per minute, 60 calls per hour).
5. If limits are exceeded, a message indicating the threshold breach is prepared and stored.
6. The workflow queries Airtable for data related to Pokémon, which could represent API usage details or other relevant information.
7. A Function node formats the response, including the usage limit information and details retrieved from Airtable.
8. If limits are exceeded, a notification message is generated, informing the user of the exceedance.
This workflow is useful for API providers or developers who want to enforce rate limiting and receive notifications when usage limits are breached, ensuring better control and management of API consumption.
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