Connection guide

The XRPL Firehose endpoint speaks the StreamingFast Firehose protocol over gRPC/TLS. You need an API key from the dashboard.

Endpoint
grpcs://grpc.yourdomain.com:443
Authentication

Pass your API key as a gRPC metadata header:

authorization: Bearer xrpl_<your-key>
Substreams CLI
substreams run \
  -e grpcs://grpc.yourdomain.com:443 \
  --substreams-api-token xrpl_<your-key> \
  your_substreams.spkg \
  map_my_handler \
  --start-block 32570
Free tier limits
10M
blocks / day / key
2
concurrent streams
3
keys per account