BLblockscout
General

Get chains list

Changed on

Get supported chains and their chain IDs. Use a narrow query when you need to choose a chain_id for later tool calls; avoid broad requests and partial numeric ID queries because filtering uses case-insensitive substring matching.

get/get_chains_list

Request

Query parameters

querystring

Case-insensitive substring filter on chain name, ID, currency, or ecosystem; prefer narrow text terms over partial numeric IDs.

Response

List of blockchain chains

data_descriptionstring[] nullable

Optional list of strings explaining the structure or fields of the data payload

notesstring[] nullable

Optional list of important warnings or contextual notes, such as data truncation alerts

instructionsstring[] nullable

Optional list of suggested follow-up actions for an AI agent

Changes