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Labs-Hosted Transaction Stream Service

Beta

The Indexer API, Transaction Stream Service, and Custom Processors are currently in beta. Please report any problems you encounter by creating an issue in the aptos-indexer-processors repo.

If you are running your own instance of the Indexer API, or a custom processor, you must have access to an instance of the Transaction Stream Service. This page contains information about how to use the Labs-Hosted Transaction Stream Service.

Endpoints​

All endpoints are in GCP us-central1 unless otherwise specified.

  • Mainnet: grpc.mainnet.aptoslabs.com:443
  • Testnet: grpc.testnet.aptoslabs.com:443
  • Devnet: grpc.devnet.aptoslabs.com:443

Authorization via API Key​

In order to use the Labs-Hosted Transaction Stream Service you must have an API key. To get an API key, do the following:

  1. Go to https://developers.aptoslabs.com.
  2. Sign in and select "API Keys" in the left sidebar.
  3. Create a new key. You will see the token value in the first table.

You can provide the API key by setting the Authorization HTTP header (MDN). For example, with curl:

curl -H 'Authorization: Bearer aptoslabs_yj4donpaKy_Q6RBP4cdBmjA8T51hto1GcVX5ZS9S65dx'

For more comprehensive information about how to use the Transaction Stream Service, see the docs for the downstream systems: