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What changed on the rail, and why.
Announcements, release notes and protocol notes. We write these for the people who have to integrate the change, so they say what breaks and what does not.All
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Releases
Protocol notes
COMPANY30 AUG 2026 · 4 min
Sieve Technologies is now SidaxisSame team, same architecture, a name that points where the work is going. Nothing changes in the API. Everything changes in what we are willing to say we are building.Read the announcement ↗Protocol changesGet the note before the change shipsEvery breaking change gets a note at least 30 days before it lands, and every receipt-format change is versioned. One email per change — never a digest, never marketing.
RELEASE26 AUG 2026 · 3 min
sidaxis-credit reaches stableEligibility and limit issuance leave beta, with policy hooks for your own model endpoint and a decision receipt that records which rule fired.PROTOCOL NOTE19 AUG 2026 · 6 min
Why a mandate beats a promptIf the spending ceiling lives in the instruction, a jailbreak spends your money. Enforcement has to sit somewhere the agent cannot reach.RELEASE11 AUG 2026 · 2 min
Receipts v2: smaller, faster to verifyAnchor proofs shrink by 38% and verification drops to a single round trip. v1 receipts stay verifiable for twelve months.COMPANY04 AUG 2026 · 3 min
Data residency in São Paulo and FrankfurtTwo new regions, selectable per workload rather than per account, so a company operating in three jurisdictions no longer needs three contracts.PROTOCOL NOTE22 JUL 2026 · 5 min
Proving age without revealing a birthdayMost identity checks over-collect by default. A zero-knowledge proof answers the question that was actually asked, and nothing beyond it.Press enquiriesWe answer journalists within one business day, and we will say no comment rather than speculate.press@sidaxis.com ↗ Brand & press kitLogomark in every lockup, the palette, executive photography and the boilerplate paragraph, cleared for publication.Request the kit ↗ ChangelogEvery API and MCP change, versioned, with the deprecation window stated on the day it opens.Open the changelog ↗ Reading about it is slower than running it.Sandbox keys take a few minutes and the first anchored receipt takes one call.