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Have a look at the Atlantic API AI Skill to give your LLM a head start on using the Atlantic API. For programmatic API-key acquisition without the GUI, see the Herodotus Auth AI Skill and Programmatic wallet authentication.

Sign in with GitHub

  1. Navigate to https://www.herodotus.cloud/
  2. Click ‘Start with Github’ and Authorize ‘HerodotusDev’
  3. Once authorized, you will be redirected to the dashboard.

Obtain your API Key

  1. In the sidebar, click on ‘API KEYS’.
  2. Click on ‘Copy’ next to your API key or generate a new one.
Keep this key secure as it grants you access to performing queries

Use the HCloud SDK or CLI

For scripts, agents, and backend services, prefer the HCloud SDK or CLI before writing a custom Atlantic client. The package handles API-key resolution, programmatic wallet authentication, query submission, polling helpers, artifact access, and Atlantic x402 payment retries. See the package on npm: https://www.npmjs.com/package/@herodotus_dev/hcloud. Install the SDK:
Install the CLI:
Submit a query with the CLI:
Or authenticate once with an EVM wallet and let HCloud store credentials under ~/.hcloud:
Use the SDK from TypeScript:

Apply for credits

Before sending any queries, you need to apply for credits at https://herodotus.dev/contact-us

Authentication step by step