OpenAI
API key + balanceAPI CreditsStarter
OpenAI API $10
Starter balance for developers
- GPT-4o, GPT-4o mini, and o1 model access
- Use in your own apps and scripts
- Standard OpenAI API endpoints
$10
30-day guarantee · Within 5 minutes
Developer API credits
AI Developer API Credits — OpenAI, Anthropic & Google
Prepaid API keys with credit balance for developers. Use OpenAI, Anthropic Claude, or Google Gemini in your apps, scripts, and automations — billed by token usage, not a fixed chat subscription.
Need ChatGPT or Claude chat apps instead? Browse subscriptions.
Not sure? ChatGPT Plus = chat app at chat.openai.com. OpenAI API = developer key in your codebase. We sell both — separately.
API key + balance delivered by email · Pay-as-you-go usage · 30-day guarantee
OpenAI API
OpenAI credit packs
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OpenAI
API key + balanceAPI CreditsGrowth
OpenAI API $25
Popular balance for active development
- Higher starting balance than the $10 pack
- GPT-4o and reasoning model access
- Ideal for chatbots and agent prototypes
$25
$30
30-day guarantee · Within 5 minutes
OpenAI
API key + balanceAPI CreditsScale
OpenAI API $50
Scale-ready developer balance
- Best per-dollar value in our OpenAI API range
- Supports assistants, embeddings, and vision
- No monthly subscription — use until balance runs out
$50
$60
30-day guarantee · Within 5 minutes
Anthropic API
Anthropic credit packs
Anthropic
API key + balanceAPI CreditsGrowth
Claude API $25
Anthropic models for your codebase
- Claude Sonnet and Opus via API
- 200K context for supported models
- Messages API and tool-use compatible
$25
$30
30-day guarantee · Within 5 minutes
Anthropic
API key + balanceAPI CreditsScale
Claude API $50
High-volume Claude API balance
- Best value Claude API pack on KeyClaude
- Opus access for complex reasoning tasks
- Ideal for batch document processing
$50
$60
30-day guarantee · Within 5 minutes
Google API
Google credit packs
API CreditsGrowth
Gemini API $25
Google AI for apps and automation
- Gemini Pro and Flash model access via API
- Multimodal input (text, image) on supported models
- Compatible with Google AI SDK patterns
$25
$30
30-day guarantee · Within 5 minutes