9 min read
Image generation APIs compared by real cost per image
Flux, Imagen, GPT Image, Nano Banana, Seedream and Ideogram, priced in dollars per image rather than credits. What the spread actually buys you.
Nemanja, Founder @ ApexApi
ApexApi Blog
Guides, model deep-dives, and how-tos for building with every AI model through one API.
14 min read
How to use any AI model through an OpenAI-compatible API
Change the base URL, the key and the model string. What ports cleanly, what quietly does not, and how to test a compatibility claim before you trust it.
Nemanja, Founder @ ApexApi
11 min read
How to build an AI agent that manages its own API keys
Runtime key generation, hashed storage, rotation with an overlap window and an autonomous top-up loop. The four layers, and what to verify before you ship.
Nemanja, Founder @ ApexApi
8 min read
What is an MCP server, and how does it power LLM agents?
The standardized capability layer that lets an agent discover and call external tools without a custom adapter for every integration. Host, client and server, explained.
Nemanja, Founder @ ApexApi
9 min read
How AI API failover works, and when it doesn't
Detection, circuit breakers, tiered fallback. How failover actually works across AI providers, and the four things it quietly costs you when it fires.
Nemanja, Founder @ ApexApi
8 min read
How to control AI API costs across your team
Audit, cap, route, monitor. A five-layer control system for team AI API spend, so one bad eval loop cannot drain the month's budget.
Nemanja, Founder @ ApexApi
9 min read
What is a unified AI API gateway?
A unified AI API gateway is one endpoint that fronts every model provider. Here is what it does, how a request flows through it, and how to pick one.
Nemanja, Founder @ ApexApi
3 min read
Claude Opus 5 is live on ApexApi: Anthropic's best coding model, same price as Opus 4.8
Anthropic shipped Claude Opus 5 on July 24 and it's already in the ApexApi catalog: anthropic/claude-opus-5, 1M context, 128K output, $6/M input and $30/M output all-in. That's the same price as Opus 4.8. Here's what's actually new and how to switch in one string.
Nemanja, Founder @ ApexApi
4 min read
Images and Videos are live: Veo, Kling, Seedance, Nano Banana and more — one key, real prices
ApexApi now ships full image and video generation: 29 image models and 26 video models behind one API key, with a visual studio in the dashboard, reference images, first/last frames, and the exact USD price shown before you generate.
Nemanja, Founder @ ApexApi