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Cosmos Tax API

Query your Cosmos tax events

A public, no-auth read API. Pull staking rewards, income, transfers, swaps, and fees for any Cosmos address as JSON or CSV. Try the endpoint below, or copy a curl example for your own tooling.

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curl and jq examples

All staking rewards for a wallet in 2026

curl -s 'https://tax.bryanlabs.net/api/v1/events?address=cosmos1...&type=rewards&start=2026-01-01&end=2026-12-31' | jq '.summary'

Every transfer (bank/IBC send) across two wallets, as CSV

curl -s 'https://tax.bryanlabs.net/api/v1/events?address=cosmos1...,cosmos1...&type=transfers&format=csv'

Everything, all time

curl -s 'https://tax.bryanlabs.net/api/v1/events?address=cosmos1...' | jq '.count'