---
title: Changelog — New APIs, Tools & Platform Updates | Stanza
description: Every shipped update to the Stanza developer platform: new APIs, free browser tools, streaming pipelines, pricing, and infrastructure changes, with dates and links.
canonical: https://stanzaapi.com/changelog
---

[Home](/)/Changelog

# Changelog

Every notable update to the Stanza platform, newest first: new engines, free tools, and infrastructure changes.

- 2026-09-15 · API

### Seven more fixtures (17 total)

Added 271, 276, and 277 X12 status transactions, pacs.002 and pain.002 ISO 20022 status messages, plus SSCC and GS1 Digital Link payloads.

[Sample files](/samples)

- 2026-09-15 · API

### Fixtures published as an npm package

The engine-validated sample payloads now ship as @stanza-api/test-fixtures with a machine-readable index at /samples.json.

[Sample files](/samples)

- 2026-09-15 · API

### Three more sample files

Added 837I institutional claims, camt.054 debit/credit notifications, and a GS1 element string to the validated fixture library.

[Sample files](/samples)

- 2026-09-15 · API

### Sample file library

Seven validated sample payloads for X12 (837P, 835, 270, 834) and ISO 20022 (pacs.008, camt.053, pain.001), each parsed by the production engine in the test suite.

[Sample files](/samples)

- 2026-09-15 · Tool

### Offline-ready tools, permalinks, and exports

The toolbox is installable and works offline: checker results are shareable links, and the IBAN generator exports CSV and JSON.

[Developer toolbox](/toolbox)

- 2026-09-15 · Tool

### IBAN generator browser tool

Generate valid test IBANs for 87 countries from a reproducible seed, with hash permalinks and copy-all export. Runs entirely in your browser.

[Open the IBAN generator](/tools/iban-validator/generator)

- 2026-09-15 · API

### EU VAT rates 2026 hub

Standard and reduced VAT rates for all 27 EU member states plus the United Kingdom in one table, linked to every national VIES validator.

[EU VAT rates 2026](/tools/vat-validator/rates/eu-vat-rates-2026)

- 2026-09-15 · Search

### Search indexing integrity

Canonical URLs unified across the platform, a single sitemap with truthful lastmod stamps, and redirect-free internal links.

- 2026-09-14 · Platform

### MCP server for AI agents

Published @stanzaapi/mcp: all 12 engines available to Claude Desktop, Cursor, and other MCP clients over stdio.

[Developer documentation](/docs)

- 2026-09-14 · API

### Streaming pipelines for X12 and ISO 20022

BAA and Mega tier keys stream NDJSON transactions through POST /v1/x12/stream and POST /v1/iso20022/stream with per-record error frames.

[X12 parser](/tools/x12-parser/) · [ISO 20022 parser](/tools/iso20022-parser/)

- 2026-09-14 · Platform

### Live status page

Engine health, measured latency, and uptime sweep results probed every minute over service bindings.

[System status](/status)

- 2026-09-13 · API

### CBAM certificate price on the data plane

The EU ETS benchmark price is derived in CI and served from the data plane, so CBAM liability calculations track the published certificate price.

[CBAM carbon engine](/tools/cbam-carbon/)

- 2026-09-12 · Tool

### Free browser tools

Client-side IBAN, container, air waybill, and GTIN check-digit calculators that run without an API key and never send your data anywhere.

[Developer toolbox](/toolbox)

## Frequently Asked Questions

How often is the platform updated?

Engines, tools, and platform surfaces ship continuously; every notable change is recorded here with a date and a link to the affected surface.

How can I follow updates without checking this page?

The RSS feed at /feed.xml carries new specification pages and engine documentation as they are published.