Changelog

What's new in GEOstack. Versioned API updates, features, and breaking changes.

April 15, 2026 v1.5.0
Developer DX & Observability

New Webhook Delivery History — see every delivery attempt, status, timing, and response body.

New Per-Tool Analytics — see which tools are called most, by which agents, with daily breakdowns.

New Per-Tool Rate Limiting — 60 calls/minute per visa per tool. Protects partner APIs from runaway agents.

New Tool Invocation Webhooks — tool.invoked and tool.failed events now fire to developer endpoints.

New Prompt File Versioning — every save creates a snapshot. View history and roll back to any version.

New Changelog page (you're reading it).

Improved Webhook service now records full request/response bodies (4KB max) for debugging.

April 14, 2026 v1.4.0
Pillar Pages & Landing Page Redesign

New Dedicated pages for each pillar: Agentic SSO, Chat-as-an-OS, Shadow Layer, Action Layer.

Improved Landing page redesigned with Resend x Cream Froth aesthetic.

Improved Landing page refocused on developer-first MCP gateway messaging.

Improved Code snippet readability on all pages — darker background, larger font, brighter syntax colors.

Fixed Removed emojis from navigation dropdown.

April 13, 2026 v1.3.0
Agentic SSO: Complete Identity Layer

New Visa-based authentication for AI agents — scoped permissions, any agent, any app.

New MCP Streamable HTTP transport — full spec-compliant MCP server.

New Developer Dashboard — register apps, manage visas, configure webhooks, API keys.

New Consent screen — user-facing SSO flow with scope selection.

New Prompt File engine — auto-generates MCP tools from JSON schema.

New Action Layer — HTTP proxy for action tools with built-in retries.

April 9, 2026 v1.2.0
Developer Onboarding & SSO Hardening

New Welcome email flow for new developers with password setup.

New API Key system — geo_pk_ / geo_sk_ publishable + secret key pairs.

New Domain verification via DNS TXT records.

Improved JWT-based session management with 7-day expiry.

April 7, 2026 v1.1.0
Gateway Infrastructure

New Content-negotiated MCP endpoint — JSON for agents, HTML for browsers.

New Circuit breaker and auto-retry for upstream API calls.

New Admin dashboard with inbox, analytics, and broadcast system.

April 3, 2026 v1.0.0
Initial Release

New GEOstack Gateway — Hono/Bun edge runtime on Railway.

New Dual-interface architecture — content-negotiated endpoints (JSON + HTML).

New Cryptographic state proofs for verifiable API responses.

New Marketing site on Vite + Vercel.