> ## Documentation Index
> Fetch the complete documentation index at: https://hedera-0c6e0218-mintlify-bc559771.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Consensus Service

> Index of Hedera Consensus Service (HCS) protobuf reference pages covering topic creation, updates, message submission, queries, and info.

<Danger>
  This section is currently not up to date and will be updated with the auto-generated protobuf docs [here](https://hashgraph.github.io/hedera-protobufs/). Please reference the [SDKs](/native/) section to learn about our APIs.
</Danger>

<Columns cols={2}>
  <Card title="Consensus Service" href="/reference/protobuf/consensus/consensus-service" />

  <Card title="ConsensusCreateTopic" href="/reference/protobuf/consensus/consensuscreatetopic" />

  <Card title="ConsensusUpdateTopic" href="/reference/protobuf/consensus/consensusupdatetopic" />

  <Card title="ConsensusSubmitMessage" href="/reference/protobuf/consensus/consensussubmitmessage" />

  <Card title="ConsensusDeleteTopic" href="/reference/protobuf/consensus/consensusdeletetopic" />

  <Card title="ConsensusTopicInfo" href="/reference/protobuf/consensus/consensustopicinfo" />

  <Card title="ConsensusGetTopicInfo" href="/reference/protobuf/consensus/consensusgettopicinfo" />
</Columns>