tari_indexer_client

Client library for the Tari Ootle indexer node. Provides a typed async REST client, a GraphQL client, Server-Sent Events (SSE) streaming, and a protobuf streaming interface for consuming UTXO updates from a running indexer.

Features

Key types

API Endpoints

Identity & Status

Network

Substates

Transactions

Templates

Resources & Non-Fungibles

UTXOs

Transaction Receipts

Events

Example

use tari_indexer_client::{connect_rest, types::{GetSubstateRequest, ListSubstatesRequest}};
use tari_engine_types::substate::SubstateId;
use futures::StreamExt;

#[tokio::main]
async fn main() -> anyhow::Result<()> {
    let client = connect_rest("http://localhost:18300")?;

    // Fetch a specific substate by ID
    let response = client.get_substate(GetSubstateRequest {
        substate_id: some_substate_id,
        version: None,
    }).await?;

    println!("{:?}", response.substate);

    // Stream live events
    let mut events = client.sse_events().await?;

    while let Some(event) = events.next().await {
        println!("Received event: {:?}", event?);
    }

    Ok(())
}

License

BSD-3-Clause. Copyright 2026 The Tari Project.