Product Changelog & Updates

What's New in Callio

Stay up to date with our latest MCP tools, enterprise security features, gateway performance optimizations, and developer experience enhancements.

Current Platform: v1.4.0
100+ Proxied APIs
Native MCP Support
v1.4.0Latest ReleaseAugust 2026
MCP ToolsSecurity & AuthUI & Developer Experience

GTM Pulse MCP Orchestrator & Zero-Data-Retention Vault

Introducing the multi-channel GTM Pulse orchestration tool, enterprise-grade AES-256-GCM credential encryption, and a standardized high-contrast Dark Emerald design system.

GTM Pulse Orchestrator MCP Tool

Single-prompt orchestration across HubSpot, SendGrid, X (Twitter), and web analytics to automate growth workflows without writing multi-agent pipeline glue code.

AES-256-GCM Vault & Zero-Data-Retention Policy

Upgraded payload security with hardware-isolated AES-256 encryption at rest, automatic key rotation, and explicit Zero Data Retention guarantees for proxied payload bodies.

Dark Emerald High-Contrast UI Overhaul

Refined visual hierarchy, standardized dark emerald glassmorphism, and improved text contrast across the API Key Manager, Playground, and Observability dashboard.

Claude Desktop / Cursor MCP Config
{
  "mcpServers": {
    "callio": {
      "command": "npx",
      "args": ["-y", "@callio/mcp-server"],
      "env": {
        "CALLIO_API_KEY": "cl_live_xxxxxxxxxxxxxxxx"
      }
    }
  }
}
v1.3.0July 2026
UI & Developer ExperienceSecurity & AuthMCP Tools

Interactive API Playground & Automated OAuth Refresh Engine

Test 100+ tool endpoints live in the browser, seamlessly handle background OAuth2 token rotation, and explore 30+ newly added API integrations.

Interactive API & MCP Playground

Real-time tool testing sandbox right inside your documentation. Execute real API requests, view latency metrics, and inspect exact MCP JSON-RPC payloads before deploying.

OAuth2 Background Token Rotation

Automated token refreshing for GitHub, Slack, Notion, and Google integrations. LLM agent workflows run indefinitely without facing credential expiration halts.

30+ New External API Wrappers

Added pre-built proxy definitions for Financial Modeling Prep, Open-Meteo, Linear, Jira, and Resend with native MCP tool definitions.

Callio TypeScript SDK Quickstart
import { CallioClient } from '@callio/sdk';

const client = new CallioClient({
  apiKey: process.env.CALLIO_API_KEY,
});

const response = await client.executeTool({
  tool: 'gtm_pulse',
  params: { campaign: 'launch-2026', channel: 'all' }
});
v1.2.0June 2026
Gateway EngineSecurity & Auth

Enterprise Team Workspaces & Edge Proxy Routing Engine

Manage multi-agent teams with shared key pools, role-based permissions, and sub-millisecond global edge gateway routing.

Team Workspaces & Granular RBAC

Invite team members, assign developer roles, set hard monthly spending caps per agent key, and trace organization-wide request logs.

Sub-Millisecond Edge Routing Engine

Global multi-region proxy edge cluster ensuring sub-millisecond transport overhead for all downstream third-party API proxy calls.

v1.1.0May 2026
MCP ToolsGateway Engine

Dual Transport Gateway (SSE & Stdio) for Native MCP Support

Full specification support for Model Context Protocol across both Server-Sent Events (SSE) and local Stdio connections.

Dual-Transport MCP Gateway

Connect Cursor IDE, Claude Desktop, AutoGPT, or LangChain agents seamlessly over local stdio or remote SSE HTTP transports.

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