C Codex API Shop
RUEN
Account

OpenAI-compatible API

Permanent access
to Codex and GPT models

A ready API key for Codex, Cursor, VS Code, and any client with a Custom Endpoint. Your balance never expires.

  • Automatic delivery
  • Activated key
  • Step-by-step guide
Works with
CodexCursorVS CodeOpenCode

01

Permanent API key

Choose a balance and continue to automatic checkout on FunPay.

API balance

In stock
Selected balance
$100
Validity
Unlimited
Key
Activated key
Buy for377 ₽

Payment and automatic delivery are handled on FunPay.

02

Three steps to a ready key

Purchase, automatic delivery, and connection — no manual hassle.

01

Buy on FunPay

Pick a balance — payment goes through automatically, no waiting for a seller.

02

Get your key instantly

The key arrives right after payment and is already activated.

03

Connect in your client

Paste the Base URL and key into Codex, Cursor, or VS Code — follow the guide.

03

Model pricing

Price per 1M tokens. Input and output are billed separately.

GPT and Codex 8

Hash rate ×0.1

GPT-6 Astra

Available
Input
$10
Output
$50

GPT-6 Sol

Available
Input
$2
Output
$10

GPT-5.6 Sol

Available
Input
$5
Output
$30

GPT-5.6 Terra

Available
Input
$2
Output
$12

GPT-5.6 Luna

Coming soon
Input
—
Output
—

GPT-5.5

Available
Input
$5
Output
$30

GPT-5.4

Available
Input
$2.5
Output
$15

Codex Auto Review

Available
Input
$0.2
Output
$1.2

Claude 8

Rate not included

Claude Opus 5

Available
Input
$5
Output
$25

Claude Sonnet 5

Available
Input
$2
Output
$10

Claude Opus 4.8

Available
Input
$5
Output
$25

Claude Opus 4.7

Available
Input
$5
Output
$25

Claude Opus 4.6

Available
Input
$5
Output
$25

Claude Sonnet 4.6

Available
Input
$3
Output
$15

Claude Sonnet 4.5

Available
Input
$3
Output
$15

Claude Haiku 4.5

Available
Input
$1
Output
$5

04

Works anywhere Custom Endpoint is supported

Codex App and CLI, Cursor, VS Code, OpenCode, agents, and other apps with an OpenAI-compatible API.

Open guide

Get a permanent key in a couple of minutes

Pick a balance — the key arrives automatically and works right away.

06

Purchase basics

When will my key start working?

Immediately after automatic delivery on FunPay. The key is already activated.

Does the balance expire?

No. The balance on a permanent key does not expire.

Can I use it in my IDE?

Yes, if your app lets you configure an OpenAI-compatible Custom Endpoint.