Powersync Rate Limits
PowerSync Cloud enforces concurrent connection limits per plan tier; a 429 status is returned when the peak concurrent connection limit is exceeded. Throughput limits govern database replication from source to PowerSync Service and client sync from PowerSync to clients.
Powersync Rate Limits is the machine-readable rate-limit profile for PowerSync on the APIs.io network, conforming to the API Commons Rate Limits specification.
It captures 10 rate-limit definitions, measuring concurrent_connections, operations_per_second, mb_per_second, transactions_per_second, and buckets.
The profile also includes response codes documented for throttled.
Tagged areas include Rate Limiting.
Limits
Sources
Work with this as data
Every rate limit here is available over the APIs.io API and to AI agents over MCP.
MCP server
One button, every client — Claude, Cursor, VS Code and the rest.
https://apis.io/mcp
Tools for rate limits
4 MCP tools reach this
find_rate_limitsBrowse and filter every rate limit in the catalog.apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.resolveTurn a domain, URL or GitHub org into the provider it belongs to.find_cohortsEvery scored population of providers in the catalog.
Call it yourself
curl for this page
curl "https://apis.io/api/v1/rate-limits/powersync-rate-limits"curl "https://apis.io/api/v1/rate-limits?limit=25"Discovery needs no key. Ratings and market analysis are Pro.