Rate Limits Per Method

Limits shown represent the maximum number of requests per second (RPS) that can be made to the Syndica API for each method. Rates may vary based on factors such as network conditions, server load, etc.

Method	Standard Mode Limit	Scale Mode Limit
getBlock	25	100
getBlockTime	40	120
getBlocks	35	100
getLargestAccounts	0	0
getMultipleAccounts	25	75
getProgramAccounts	0	5
getSignaturesForAddress	50	150
getTokenAccountsByOwner	35	200
getTransaction	20	60
sendTransaction	20	60
Unspecified methods (not listed)	100	300

WebSocket Limits

info

Connections are the open sockets between your client and our server.
Subscriptions are event listeners (e.g. accountSubscribe, logsSubscribe) created over those connections.

• One connection can host many subscriptions.
• Be sure to reuse connections and clean up unused subscriptions to stay within limits.

Max Active WebSocket Connections

Standard Mode	Scale Mode
100	300

Max Total Active WebSocket Subscriptions

The total number of active subscriptions across all connections and namespaces allowed for each plan.

Standard Mode	Scale Mode
100	600

Max Subscriptions per WebSocket Connection

Standard Mode	Scale Mode
100	600

Limits per Method

Mainnet

Method	Standard Mode Limit	Scale Mode Limit
accountSubscribe	30	600
blockSubscribe	30	90
logsSubscribe	10	100
programSubscribe	10	100
signatureSubscribe	100	600
slotSubscribe	30	600
slotsUpdatesSubscribe	10	600
voteSubscribe	30	90
Unspecified methods (not listed)	100	600

Devnet

Method	Standard Mode Limit	Scale Mode Limit
accountSubscribe	30	300
blockSubscribe	30	90
logsSubscribe	10	30
programSubscribe	10	30
signatureSubscribe	100	300
slotSubscribe	30	300
slotsUpdatesSubscribe	10	300
voteSubscribe	30	90
Unspecified methods (not listed)	100	300