plugmyagent

Helicone

AI & ML Free key (no card)

AuthenticationFree key (no card)
Rate limit10,000 requests/month on the free Hobby plan.

Documentation: docs.helicone.ai ยท Checked Sep 18, 2026

About

Helicone logs every LLM request your agent makes with cost, latency, and caching through a one-line proxy change, and its AI gateway routes to 100+ models. The Hobby plan is free for 10,000 requests a month with 1 GB of storage, no card required, and the platform is open source.

Details

Free to start. You may need a free key, but no credit card.

Auth: Free key (no card)

Rate limit: 10,000 requests/month on the free Hobby plan.

Verified: 2026-09-18

Best for: developer

Read the docs Back to catalog

Setup

  1. Sign up at helicone.ai and copy your API key.
  2. Point your OpenAI base URL at oai.helicone.ai and add the Helicone-Auth header.
  3. Every request is now logged with cost and latency in your dashboard.
Sign up