Sign in with ChatGPT for developers: what your app receives, how Plus and Pro plan usage and weekly caps work, and how to test the OAuth flow.

Emmanuel Mumba

October 2, 2026

Claude Sonnet 5.5 free API: the Claude API has no free tier. See which credit programs qualify, which free claims fail, and how to test for under a cent.

Emmanuel Mumba

September 29, 2026

Migrating from GPT-6 Astra ($10/$50) to GPT-6 Sol ($2/$10): identical context window and tool set, every rate 5x cheaper, the Chat Completions gotcha, and what OpenAI still says Astra wins.

Emmanuel Mumba

September 23, 2026

GPT-6 Sol explained: model ID gpt-6-sol, $2/$10 pricing, 1.05M context, AutomationBench 33.2% at $0.27 per task, DeepSWE 68.8%, and why it is a new model, not the GPT-5.6 Sol tier.

Emmanuel Mumba

September 23, 2026

GPT-6 Sol measures 102.15s to first token at 115.2 tok/s in max reasoning mode. Why the cheap model is not the fast model, how to measure TTFT correctly, and four design changes that keep a 100 second call from breaking your API.

Emmanuel Mumba

September 23, 2026

GPT-6 Sol is exactly half the token price of Claude Opus 5.5, but OpenAI benchmarked Sol against Claude Opus 5, which Anthropic superseded hours later. What each vendor actually published, where the benchmark sets touch, and what the price gap becomes once prompt caching is in...

Emmanuel Mumba

September 23, 2026

A blockchain application can have a great frontend, well-designed smart contracts, and a carefully planned architecture, but it still needs a reliable way to communicate with the network. That communication usually happens through an RPC endpoint. When a wallet retrieves a balance, a dApp reads a smart contract, a trading bot checks the latest block, or an application submits a transaction, the request ultimately needs to reach a blockchain node. Running and maintaining those nodes yourself is

Emmanuel Mumba

September 3, 2026

Web Data APIs power many of the applications we use every day, from AI platforms and e-commerce systems to financial services and mobile apps.

Emmanuel Mumba

July 21, 2026

Crypto swaps have become one of the simplest ways for users to exchange digital assets. At first glance, the process looks straightforward: select one token, choose another asset, and complete the swap. However, behind that simple experience is a complex layer of infrastructure involving liquidity providers, routing systems, blockchain networks, and exchange mechanisms. While researching this topic, I looked at how different crypto swap platforms approach this problem from non-custodial swap a

Emmanuel Mumba

July 19, 2026

Decentralized finance has evolved far beyond simple token swaps and yield farming. Today's DeFi applications are expected to provide real-time portfolio tracking, cross-chain asset visibility, advanced analytics, automated trading, and increasingly, AI-powered insights. As a result, the infrastructure required to build modern DeFi products has become significantly more complex. A wallet dashboard may need to aggregate balances across multiple blockchains. A lending protocol may require accurat

Emmanuel Mumba

June 20, 2026

Solana has become one of the most important ecosystems for high-performance blockchain applications. Its speed, low transaction costs, and growing developer ecosystem have made it a preferred choice for wallet apps, DeFi platforms, trading systems, and increasingly, AI-powered agents that interact directly with on-chain data. But building anything meaningful on Solana is not just about smart contracts anymore. Modern applications need reliable infrastructure for: * wallet balances and portf

Emmanuel Mumba

June 5, 2026

Automated trading systems are becoming significantly more sophisticated. What once relied mostly on simple rule-based scripts is now evolving into intelligent systems capable of monitoring wallets, analyzing on-chain activity, reacting to market volatility, and coordinating actions across multiple exchanges and blockchains simultaneously. Apidog is a free, all-in-one API development platform. For startups, it removes the need to pay for separate testing, mocking, and docs tools – one subscript

Emmanuel Mumba

May 15, 2026

Modern crypto applications now require access to multiple layers of infrastructure at the same time: real-time market prices, wallet balances, transaction history, DeFi activity, portfolio analytics, exchange execution, and increasingly, AI-ready data pipelines.

Emmanuel Mumba

May 11, 2026

Crypto APIs can feel interchangeable at first. You pick one, fetch a price, render a chart, and everything works. For simple applications price trackers, basic dashboards, or prototypes most APIs will get the job done without much friction.

Emmanuel Mumba

April 21, 2026

Nano Banana Pro wins for catalog automation and batch-consistent product photography. Seedream 4 wins for luxury brand hero images and lifestyle storytelling.

Emmanuel Mumba

April 10, 2026