MAINNET

API/Doc link			Description			URL			Deployed version
explorer-api			Legacy blockchain info API [0]			https://explorer-api.mainnet.dandelion.link			2.1.3
submit-api			Send signed-transactions to the blockchain [1]			https://submit-api.mainnet.dandelion.link			2.1.3
graphql-api			GraphQL blockchain info API [2]			https://graphql-api.mainnet.dandelion.link			2.1.0
cardano-node socket			cardano-cli socket API [3].			Not applicable, contact us!			1.20.0

Backing cardano-db-sync version is 5.0.1.

TESTNET

API/Doc link			Description			URL			Deployed version
explorer-api			Legacy blockchain info API [0]			https://explorer-api.testnet.dandelion.link			2.1.3
submit-api			Send signed-transactions to the blockchain [1]			https://submit-api.testnet.dandelion.link			2.1.3
graphql-api			GraphQL blockchain info API [2]			https://graphql-api.testnet.dandelion.link			2.1.0
cardano-node socket			cardano-cli socket API [3].			Not applicable, contact us!			1.20.0

Backing cardano-db-sync version is 5.0.1.

FREE EXTERNAL RESOURCES

Check these awesome resources that use official APIs under the hood and extend them by enriching the observability of the ecosystem.

MAINNET

Description			URL
Official Cardano blockchain explorer web-ui			https://explorer.cardano.org
ADApools, more than an observability tool			https://adapools.org
AdaScan, feature rich blockchain explorer web-ui			https://adascan.net
AdaStat, clean and neat blockchain explorer web-ui			https://adastat.net
CardanoScan, feature rich blockchain explorer web-ui			https://cardanoscan.io
pool.pm, fancy stakepool visualization tool			https://pool.pm
PoolTool, advanced ecosystem observability and interaction tool			https://pooltool.io
PoolStats, blockchain information as heatmaps			https://poolstats.org/

TESTNET

Description			URL
Official Cardano blockchain explorer web-ui			https://explorer.cardano-testnet.iohkdev.io