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Keria

Currently making AI do useful work — one prompt at a time

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Speech-to-text API in Node.js: mp3/wav file upload and the real cost per support call

Speech-to-text API in Node.js: mp3/wav file upload and the real cost per support call

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6 min read

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Can a Marketing App API Deliver High-Quality Text Images, Social Ads, and Style Control?

Can a Marketing App API Deliver High-Quality Text Images, Social Ads, and Style Control?

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6 min read
Node.js Semantic Search: Embeddings, Rerank, and Classify Docs by Topic

Node.js Semantic Search: Embeddings, Rerank, and Classify Docs by Topic

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7 min read
Speech-to-Text API Pricing for European Startup Game Hiring: Compare Per-Minute Cost

Speech-to-Text API Pricing for European Startup Game Hiring: Compare Per-Minute Cost

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5 min read
Which Chatbot Runtime Handles OpenAI, Claude, and Gemini Fallback Without Key Sprawl?

Which Chatbot Runtime Handles OpenAI, Claude, and Gemini Fallback Without Key Sprawl?

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6 min read
Node.js Text and Image Safety API with JSON Schema over Chat Completions

Node.js Text and Image Safety API with JSON Schema over Chat Completions

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7 min read
Node.js Document Q&A: Validating Chat Completion Evidence with JSON Schema

Node.js Document Q&A: Validating Chat Completion Evidence with JSON Schema

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7 min read
Cheap RAG in Node.js: Token Counts, Batch Indexing, and LLM Cost Estimates

Cheap RAG in Node.js: Token Counts, Batch Indexing, and LLM Cost Estimates

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7 min read
Choosing an Image Generation API: Prompt Safety Without a Moderation Endpoint

Choosing an Image Generation API: Prompt Safety Without a Moderation Endpoint

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8 min read
Picking a text-to-image API for marketing posters and social ads: style control, upscale

Picking a text-to-image API for marketing posters and social ads: style control, upscale

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7 min read
One key, multiple models: picking a unified text-to-image generation API

One key, multiple models: picking a unified text-to-image generation API

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8 min read
Picking a text-to-image API for a SaaS app: REST, pricing, and safety

Picking a text-to-image API for a SaaS app: REST, pricing, and safety

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7 min read
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