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APIMart — OpenAI-Compatible API Gateway

OpenAI-compatible API supporting GPT-5, Claude, Gemini. Multi-provider routing, transparent pricing, low latency. Enterprise SLA, SDK support, pay-as-you-go. Unified OpenAI-compatible endpoint supporting GPT-5, Claude, and Gemini. Migrate from OpenAI in minutes by simply changing your base URL to https://api.globalaiopc.com/v1 — keep your existing SDKs with no code rewrite. Multi-provider routing ensures low latency and high uptime. Transparent pricing, enterprise SLA, and global CDN acceleration.

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Quick Start

Get started immediately with OpenAI-compatible Chat API supporting GPT-5, Claude Sonnet 4.5, Gemini 2.0. Switch base URL, no code changes required.

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OpenAI-Compatible Endpoints

APIMart provides OpenAI-style endpoints for seamless migration. Just change the base URL and continue using your existing SDKs. All interfaces follow OpenAI standards, extended to support Claude, Gemini, Sora, and VEO models.

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Core API Services

Chat Completion API

Support for GPT-5, GPT-4o, Claude Sonnet 4.5, Gemini 2.0 Flash. OpenAI-compatible API with streaming and low latency.

Image Generation API

Support for GPT-4o Image, Gemini 2.5 Flash Image-preview models. OpenAI-style API for seamless integration.

Video Generation API

Support for OpenAI Sora2, Google VEO3 models. Async task management with status tracking and webhooks.

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Platform Advantages

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Transparent Pricing

Pay-as-you-go, no subscriptions required. Clear per-token pricing for all models, more affordable than official providers while maintaining the same quality and low latency.
  • Clear per-token pricing for all models
  • Enterprise volume discounts
  • No hidden fees
  • Pay only for actual usage

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Multi-Provider Routing & Enterprise SLA

Built-in intelligent routing across multiple LLM providers ensures high availability and low latency. When one provider has issues, requests automatically route to backup providers with no service interruption.

99.9% Uptime SLA

Enterprise-grade reliability with automatic failover. Multi-provider routing ensures your requests always respond with minimal latency.

Global CDN Acceleration

Global edge nodes for lowest latency. Optimized routing reduces response times and improves user experience worldwide.

Rate Limit Management

Automatic rate limit handling across providers. Intelligent request distribution prevents throttling and ensures smooth operation.

Real-time Status Monitoring

Monitor endpoint health and performance. Track async task progress for image and video generation with webhook notifications.

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SDKs & Code Examples

Official SDK support for Python, Node.js, and Java. All SDKs are OpenAI-compatible, requiring only base URL configuration changes for seamless migration. 
from openai import OpenAI

client = OpenAI(
    base_url="https://api.globalaiopc.com/v1",
    api_key="your-apimart-key"
)

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Migrating from OpenAI

Switch to APIMart in 5 minutes. No code rewrite required — just change the base URL and API key.
1

Get API Key

Sign up for APIMart and get your API key from the console.
2

Update Base URL

Change your OpenAI base URL to the APIMart endpoint. Existing SDK integrations work without modification.
3

Test Endpoints

Run your existing code with the new base URL. All OpenAI-compatible endpoints have identical response formats. Check latency and rate limits in the console.

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Models Supported by Unified Endpoint

Access leading LLM providers through one OpenAI-compatible gateway. All models support consistent request/response formats.

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Chat Completion Models

Leading language models for chat, completion, and code tasks:
  • GPT-5: OpenAI’s flagship model with enhanced reasoning capabilities
  • GPT-4o & GPT-4o Mini: Multimodal models balancing performance and cost
  • Claude Sonnet 4.5 & Haiku 4.5: Anthropic’s complex reasoning models
  • Gemini 2.0 Flash & Flash Thinking: Google’s multimodal models

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Image Generation Models

Generate images from text prompts:
  • GPT-4o Image: OpenAI’s image generation model
  • Gemini 2.5 Flash Image-preview: Google’s efficient image model

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Video Generation Models

Video generation with async task tracking and webhook callbacks:
  • OpenAI Sora2: OpenAI’s video generation model
  • Google VEO3: Google’s video generation model

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Speech Models

Speech-to-text and text-to-speech through OpenAI-compatible endpoints:
  • Whisper-1: OpenAI’s transcription model
  • TTS: Text-to-speech with multiple voices

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Frequently Asked Questions

Simply change your base URL to https://api.globalaiopc.com/v1 and use your APIMart API key. No code changes required, all OpenAI SDKs are compatible.
We provide 99.9% uptime SLA including automatic failover, multi-provider routing, and enterprise-grade support.
We offer transparent per-token pricing, typically more affordable than official providers while maintaining the same quality and performance.
Through global CDN and intelligent routing, we ensure minimal latency. Our multi-provider architecture provides better performance and reliability than single providers.