One platform, every model.

The private wayto chat

Get a GPT key, a Claude key, or both. New models from OpenAI and Anthropic are added automatically — no upgrade needed, ever.

Capabilities

Everything you need.
Nothing you don't.

01

Chat instantly

Log in at flexkey.ai and start chatting with GPT-5.5, GPT-5.4, GPT-5.2, Claude Opus, Sonnet and Haiku. No setup required.

02

One platform, every model

Get a GPT key, a Claude key, or both. New models from OpenAI and Anthropic are added automatically — no upgrade needed, ever.

03

Works everywhere

Drop your key into Cursor, Claude Code, VS Code, Windsurf, Cline, Roo Code, n8n or any AI tool you already use. /v1 compatible.

04

2x to 1000x limits

Plans start from $10 and give you double the limits of ChatGPT Plus or Claude Pro. Go higher and multiply up to 1000x for teams and heavy builders.

Process

Three steps.
No provider account.

flexkey.sh
1# Pick a plan in Telegram
2# Pay with SOL, ETH, Base or BNB
3# Key delivered instantly
4 
5sk-flexkey-xxxxxxxxxxxx
Ready
Compatible clients

Chat in FlexKey.
Work everywhere else.

Use the same key with the tools you already use. OpenAI-compatible endpoints work out of the box.

GPT-5.5
OpenAI
GPT-5.4
OpenAI
GPT-5.2
OpenAI
Claude Opus 4-8
Anthropic
Claude Sonnet 4-6
Anthropic
Claude Haiku 4-5
Anthropic
Cursor
AI Code Editor
Claude Code
Terminal Agent
VS Code
Editor
Windsurf
AI IDE
Cline
Agent
Roo Code
Agent
n8n
Automation
Custom clients
OpenAI-compatible
GPT-5.5
OpenAI
GPT-5.4
OpenAI
GPT-5.2
OpenAI
Claude Opus 4-8
Anthropic
Claude Sonnet 4-6
Anthropic
Claude Haiku 4-5
Anthropic
Cursor
AI Code Editor
Claude Code
Terminal Agent
VS Code
Editor
Windsurf
AI IDE
Cline
Agent
Roo Code
Agent
n8n
Automation
Custom clients
OpenAI-compatible
Custom clients
OpenAI-compatible
n8n
Automation
Roo Code
Agent
Cline
Agent
Windsurf
AI IDE
VS Code
Editor
Claude Code
Terminal Agent
Cursor
AI Code Editor
Claude Haiku 4-5
Anthropic
Claude Sonnet 4-6
Anthropic
Claude Opus 4-8
Anthropic
GPT-5.2
OpenAI
GPT-5.4
OpenAI
GPT-5.5
OpenAI
Custom clients
OpenAI-compatible
n8n
Automation
Roo Code
Agent
Cline
Agent
Windsurf
AI IDE
VS Code
Editor
Claude Code
Terminal Agent
Cursor
AI Code Editor
Claude Haiku 4-5
Anthropic
Claude Sonnet 4-6
Anthropic
Claude Opus 4-8
Anthropic
GPT-5.2
OpenAI
GPT-5.4
OpenAI
GPT-5.5
OpenAI
Pricing

Simple top-ups
for chat & API

Plans from $10. Pay with SOL, ETH, Base or BNB. 2x to 1000x the limits of ChatGPT Plus & Claude Pro.

01

Trial

5 days access

from $10
  • GPT or Claude key
  • Web app + Telegram access
  • Usage dashboard
  • Compatible API (/v1)
Get Trial
Popular
02

Personal

2x+ limits, 30 days

from $20
  • Everything in Trial
  • 2x ChatGPT Plus / Claude Pro limits
  • 30 day access
  • Real-time spend tracking
Get Personal
03

Teams & Builders

100x+ limits, 30 days

from $50
  • Everything in Personal
  • 20x usage limits
  • Equivalent to Claude Max
  • Priority support
Get Teams & Builders

Agency

500x+ limits, 30 days

from $1,890
  • Everything in Teams
  • 500x usage limits
  • Built for high volume use
  • Priority support
Get Agency

Enterprise

No expiry, VIP support

Custom
  • No rate limit windows
  • No expiry dates
  • Full VIP support
  • New models auto-added
  • Dedicated account manager
Get Enterprise

All plans include compatible API access, usage tracking, and encrypted key storage.
Annual plans available with more savings.

Ready to use
your key?

Plans from $10. Pay with SOL, ETH, Base or BNB. 2x to 1000x the limits of ChatGPT Plus & Claude Pro.