Tiingo · Rate Limits

Tiingo Rate Limits

Tiingo enforces hourly request caps that vary by plan. The free Power User plan permits roughly 50 requests per hour; the Commercial plan permits roughly 5,000 requests per hour. Symbol-level request caps and unique-symbol caps also apply. WebSocket connections are limited per token.

4 Limits Throttle: 429
FintechMarket DataRate Limiting

Limits

Power User (Free) - hourly token
requests_per_hour
50
Commercial - hourly token
requests_per_hour
5000
Daily unique symbols (Free) token
unique_symbols_per_day
500
WebSocket connections token
concurrent_connections
1
One WebSocket connection per token; multiplex symbols within it.

Policies

Backoff Strategy
On 429 honor any Retry-After header and apply exponential backoff with jitter.
Symbol Multiplexing
Subscribe to multiple symbols within a single WebSocket connection to stay under connection cap.

Sources