One API, for leading AI models
OpenAI SDK compatible, with one API key for chat, reasoning, images, audio, video, and embeddings. One bill, pay only for what you use.
Already on the OpenAI SDK? Change the base URL to api.leaper.one — that's the whole migration.
AI capabilities you can call today
Use the same API key across language models, multimodal workflows, and industry data services.
Chat, reasoning & embeddings
OpenAI- and Anthropic-compatible APIs with streaming, tool calls, vision input, and vector generation.
Chat Completions · Responses · Messages · Embeddings
Image generation
Create and query image tasks through one API, with reference images, multiple sizes, and async delivery.
Image Generation · Task Status
Audio
Transcribe audio into text or generate multilingual speech from text for common audio workflows.
Audio Transcriptions · Speech
Video & social data
Create video tasks, extract videos from major platforms, and access social media data through unified APIs.
Video Generation · Video Extract · Data API
Address intelligence
Extract, structure, correct, complete, standardize, and geocode addresses for commerce and logistics.
22 address processing endpoints
Connect models without operating every provider
LEAPERone puts credentials, billing, and async delivery into one developer workflow.
Unified API keys
Create and manage multiple keys from the Dashboard or CLI, with custom rate limits, instant revocation, and recovery.
One balance and bill
Pure pay-as-you-go pricing with real-time balances, usage records, and charge details.
Task status and webhooks
Query async task status or receive results at your callback URL, with built-in retry for reliable delivery.
Leading models, one bill
Use GPT, Claude, DeepSeek, and more without maintaining separate provider accounts and balances.
OpenAI-compatible, migrate in two lines
Your existing OpenAI SDK code just works — only the base URL and model name change.
- base_url = "https://api.openai.com/v1"
+ base_url = "https://api.leaper.one/v1"
curl https://api.leaper.one/v1/chat/completions \
-H "Authorization: Bearer $LEAPER_KEY" \
-d '{"model":"gpt-5.5","messages":[{"role":"user","content":"Hello"}]}'Developer Friendly
Your terminal is your control panel
# Install & login
$ npx @leaperone/cli auth login# Create an API key
$ npx @leaperone/cli apikey create --name my-app# Call the API with your key
$ curl https://api.leaper.one/v1/chat/completions \
-H "Authorization: Bearer sk-your-key" \
-H "Content-Type: application/json" \
-d {"model":"gpt-5-nano","messages":[{"role":"user","content":"Hello"}]}# Check your balance & usage
$ npx @leaperone/cli credit balance# Browse available endpoints
$ npx @leaperone/cli endpoints listBuilt by a team that ships real products
We operate 2SOMEone and MultiPost, and bring the integration, billing, and operations lessons from real products into LEAPERone.
2SOMEone
Social media
A social community where creators and fans truly connect — content, interaction, and belonging.
Visit 2some.oneMultiPost
Social media operations
Write once, publish everywhere — so social teams spend their time on ideas, not reposting.
Visit multipost.appWant to talk with the team?
For commercial access, partnerships, or joining the team, we'd love to hear what you're building.
Get in touchMake your first AI API call
Get $2 in free credits on sign-up. Create an API key and run your first request with pay-as-you-go billing.