API v1
Rate Limits
API v1 applies per-key request limits and uses credits for semantic search.
Rate limits are applied per API key. OAuth-backed MCP requests do not use the per-key rate-limit buckets because they are not tied to an API key id.
| Bucket | Limit |
|---|---|
| Read endpoints, including content, credits, and usage | 120 requests per minute |
| Write endpoints | 30 requests per minute |
| Search endpoints | 20 requests per minute |
When a key exceeds its limit, the API returns 429 with a Retry-After header.
Semantic search consumes one Nestornotes credit per request. Keyword search does not consume credits.