Skip to main content
Use ECHO to have the server send the given message back unchanged. The command performs no work beyond the round trip, which makes it a simple way to verify that a connection is alive and that values survive the client library’s encoding and decoding. For plain liveness checks PING is the more common choice.

Syntax

Arguments

Response

The reply reports the result of the operation. Error replies have the same shape in RESP2 and RESP3 and are surfaced as exceptions by the SDKs below.
Client libraries often decode bulk strings, maps, sets, and numeric strings into language-native values. The table describes the Redis wire reply.

Examples

TCP examples use the TLS REDIS_URL from the Upstash console. REST examples use UPSTASH_REDIS_REST_URL and UPSTASH_REDIS_REST_TOKEN.