Blog
Notes on building
with digital assets.
Product updates, security deep dives and practical guides from the team that builds Valtu.
developers · python
The Valtu Python SDK is on PyPI
pip install valtu: a signed API client, webhook verification and enclave attestation checks for Python 3.9 and later, with the same behavior as the TypeScript wallet kit.
networks · developers
One address, five networks: how EVM deposit addresses work
With Valtu, a customer's 0x address is the same on Ethereum, BNB Chain, Polygon, Base and Lisk. Here is why that works, and what it means for deposits sent on any of them.
payouts · developers
Sending crypto payouts at scale: batches, approvals and limits
Paying hundreds of sellers or employees in USDT is mostly an operations problem: never paying twice, getting the right people to approve, and keeping a wallet's queue moving.
developers · payouts
Never pay twice: retry-safe payouts with externalId
Timeouts happen. With one field, a retried payout returns the original instead of sending the money again. How idempotency works in the Valtu API, including batches.
developers
Webhooks you can trust: verify, de-duplicate, reconcile
Webhooks tell your server what happened on-chain. Three habits make them safe to build on: check the signature, de-duplicate by event id, and reconcile with the API.
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