🚨 Final 1-Day Notice for Devs
Reminder: Hiro’s hosted Chainhooks v1 and Bitcoin L1 APIs are being deprecated tomorrow.
If your app still relies on them, you’ll need to migrate ASAP to avoid service disruption.
Don’t get caught by a breaking change in production.
We build developer tools for Bitcoin layers.
- As we approach the deprecation date (March 9th) for the Bitcoin L1 APIs (Runes, Ordinals, BRC20) and hosted Chainhooks v1, we'd like to explicity callout that the infra behind these can always be self-hosted. We'll be leaving both the Bitcoin-Indexer and Chainhooks v1 publicly
- 🚨 DEPRECATION REMINDER 🚨 We are 1 week out from deprecating the L1 API tools and hosted Chainhooks v1. Both will be deprecated on March 9th. If you are still relying on either of these, please migrate ASAP. More info below.
- Sharpening focus. ⚡️ Chainhook v2 is GA, and soon we’re sunsetting BTC L1 APIs + Chainhook v1. We’re doubling down on Stacks—and partnering with @xverse to make the transition smooth. Onward.ICYMI, there's some IMPORTANT @hirosystems updates (1) Chainhook V2 is now GA (2) Our BTC L1 APIs + Chainhook V1 will be shut down on March 1st This is part of our streamlined focus on Stacks, and we've partnered with @xverse for an easy transition Full details & guide ↓
- 🚀 Chainhooks v2 is now generally available and officially out of beta! This release brings major improvements in reliability, performance, and dev experience. As part of the transition, the hosted Chainhooks v1 will be deprecated on March 9th.


