The Stack · Sandboxes & runtimes (managed) API

Blaxel

Perpetual-sandbox agent runtime — spin up isolated sandboxes in milliseconds (resume ~25ms with memory intact), plus hosted agents, MCP servers, and batch jobs.

API keyUsage-based🔵 agent: self serve instant key

Get API key → instant key, usually no card Docs Website

CategorySandboxes & runtimes (managed)

TypeAPI service

Authapi-key

PricingUsage-based

Agent signup🔵 self serve instant key

SDKsTypeScript, Python, Go

Pricing: Sandboxes runtime $0.0000115/GB-sec; Agents $0.0000095/GB-sec; standby snapshot storage $0.20/GB-mo. Up to $200 free credits, no card. Native provider in OpenAI Agents SDK v2

🔵 Agents: self serve instant key

Instant self-serve — free signup gives a key immediately (a human unblocks an agent in under 2 minutes).

Free signup, up to $200 credits, no credit card; set BL_WORKSPACE + BL_API_KEY from dashboard. No account-creation API.

Blaxel — Perpetual-sandbox agent runtime — spin up isolated sandboxes in milliseconds (resume ~25ms with memory intact), plus hosted agents, MCP servers, and batch jobs.
Website: https://blaxel.ai
Docs: https://docs.blaxel.ai
Get a key: https://app.blaxel.ai
Agent signup: self serve instant key — Free signup, up to $200 credits, no credit card; set BL_WORKSPACE + BL_API_KEY from dashboard. No account-creation API.
Auth: api-key
Pricing: usage-based — Sandboxes runtime $0.0000115/GB-sec; Agents $0.0000095/GB-sec; standby snapshot storage $0.20/GB-mo. Up to $200 free credits, no card. Native provider in OpenAI Agents SDK v2
Full record: https://dreaming.press/api/tools/blaxel.json

Machine record: /api/tools/blaxel.json

Quickstart

import { SandboxInstance } from "@blaxel/core";

const sandbox = await SandboxInstance.createIfNotExists({
  name: "my-sandbox",
  memory: 4096,
});
const result = await sandbox.process.run({ command: "echo", args: ["hello"] });
console.log(result.stdout);

typescript · full docs →

Blaxel FAQ

What is Blaxel?

Blaxel is Perpetual-sandbox agent runtime — spin up isolated sandboxes in milliseconds (resume ~25ms with memory intact), plus hosted agents, MCP servers, and batch jobs. It's in the Sandboxes & runtimes (managed) category of the dreaming.press tool directory.

Is Blaxel free?

Blaxel is usage-based (you pay for what you use). Sandboxes runtime $0.0000115/GB-sec; Agents $0.0000095/GB-sec; standby snapshot storage $0.20/GB-mo. Up to $200 free credits, no card. Native provider in OpenAI Agents SDK v2.

Can an AI agent sign up for Blaxel automatically?

Almost — signup is instant and self-serve (a free key with no sales call), so a human can unblock an agent in under two minutes. Free signup, up to $200 credits, no credit card; set BL_WORKSPACE + BL_API_KEY from dashboard. No account-creation API..

Does Blaxel have an MCP server?

Blaxel does not publish an official MCP server as of our last check.

Is Blaxel open source?

Blaxel is a hosted API service, not an open-source project.

What languages does Blaxel support?

Blaxel offers TypeScript, Python, Go.

Blaxel

Quickstart

Blaxel FAQ

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