Zentra Foundry

Dataset Diff and Schema Drift API

Dataset Diff and Schema Drift API is a versioned Zentra Foundry digital download. Cached API product that lets developers compare product versions, schema hashes, and sample-row deltas.

What you receive

Edition: 1.0.0
Product route: developer_tools
Delivery: immediate Gumroad download after a successful one-time purchase. No Zentra subscription or customer API account is required.

Important limitations

Developer-tool setup: This is a self-hosted developer kit, not a hosted Zentra API. Run it locally or in buyer-owned infrastructure; authentication, TLS, deployment, optional third-party connections, source rights, and security review remain the buyer’s responsibility.

Samples and schemas document the delivered format. Source-backed editions are bounded by their recorded capture and source terms; synthetic benchmark rows are explicitly labelled. The product does not guarantee business, legal, compliance, security, procurement, or model outcomes.

Support: https://zentrafoundry.com/contact/
Terms: https://zentrafoundry.com/terms/
Refunds: Gumroad displays and processes the applicable 14-day policy at checkout. Statutory rights remain unaffected.

Get this product on Gumroad

Dataset Diff and Schema Drift API

Outcome

compare bounded dataset snapshots and report row, field, type, and schema drift without a hosted dependency

Problem solved

  • Compare bounded dataset snapshots and report row, field, type, and schema drift without a hosted dependency.

Who it is for

data engineers, QA teams, and dataset publishers

Exact contents

  • LICENSE.md
  • README.md
  • REFUND.md
  • SUPPORT.md
  • cover.svg
  • developer/IMPLEMENTATION-GUIDE.md
  • developer/README.md
  • developer/input-schema.json
  • developer/openapi.json
  • developer/output-schema.json
  • developer/package.json
  • developer/sample-input.json
  • developer/sample-output.json
  • developer/server.mjs
  • developer/smoke-test.json
  • developer/test.mjs
  • developer/tool-profile.json
  • download-manifest.json
  • gumroad-product.json

Inputs and outputs

Inputs

  • Provide a JSON object with at least 1 property/properties that follows developer/input-schema.json.
  • Start with developer/sample-input.json; it is a deterministic example, not buyer data.

Outputs

  • The local runtime returns a JSON result with: status, operation, product_slug, result, warnings, external_calls_attempted.
  • developer/sample-output.json is the deterministic output example.

Formats

  • JSON
  • OpenAPI
  • Markdown
  • Node.js ES modules

How it works

  1. Install Node.js >=20.
  2. No third-party runtime package is required.
  3. Run npm test in the developer directory.
  4. Run node developer/cli.mjs --input developer/sample-input.json.

Compatibility and requirements

  • Runtime: node_20_or_newer (package requirement >=20).
  • Buyer-operated local HTTP API defaults to 127.0.0.1:8787.
  • The bundled default runtime makes no network call and includes no credentials.

Real sample or preview

  • developer/sample-input.json and developer/sample-output.json are included as deterministic fixtures.
  • developer/test.mjs is included for the offline reproducible smoke test.

Source provenance and freshness

  • Zentra prepared product artifact — Prepared from Zentra-owned product metadata until a route-specific source connector is configured. — Zentra-owned product metadata generated inside the application until an approved route-specific public source is attached.

weekly

Version and last verification

Version 1.0.0

Last verified 2026-08-13T08:31:17+02:00

License and permitted use

Use is limited to the rights expressly stated in LICENSE.md in the immutable downloaded archive; this listing grants no additional rights.

Update policy

This is an immutable, versioned fixed download. The archive does not state an automatic update entitlement.

Limitations

  • No third-party redistribution restriction detected for prepared metadata-only artifacts.
  • No hosted Zentra API, managed service, third-party account, credential, or done-for-you deployment is included.
  • Authentication, TLS, deployment, optional third-party connections, source rights, and security review remain the buyer’s responsibility.
  • Review source terms, licences, privacy, and consequential decisions with qualified owners before production use.

Product-specific FAQ

Does this include a hosted Zentra API?
No. The delivered product is a self-hosted developer kit.
Does the default runtime require credentials or make network calls?
No. The archive declares no included credentials and no default network calls.

Related products and bundle path

  • No related product or bundle entitlement is asserted by the immutable archive.

Support boundary

This is a self-hosted developer kit, not a hosted Zentra API or managed service. The local API defaults to 127.0.0.1:8787; buyers own authentication, TLS, deployment, optional third-party connections, source rights, security review, and final decisions.