Attio Rate Limits Overview Attio uses a sliding window algorithm with a 10-second window . Rate limit scores are summed across all apps and access tokens hitting the API. When exceeded, you get HTTP 429 with a header containing a date (usually the next second). Attio may temporarily reduce limits during incidents. Rate Limit Response Key fact: The header is a date string (not seconds). Parse it as a Date to calculate wait time. Instructions Step 1: Parse Retry-After Header Step 2: Exponential Backoff with Retry-After Awareness Step 3: Queue-Based Throttling Prevent 429s proactively by limitin…