Editorial Desk

Practical writing for teams shipping AI products

Product updates, architecture notes, and implementation guides from the AICredits engineering and platform teams.

At a glance

Total articles
66
Latest update
13 Oct 2026
Current topic
Engineering
Guardrails in Production: PII Masking and Keyword Blocking
Engineering22 Sept 2026

Guardrails in Production: PII Masking and Keyword Blocking

If your app passes user input to an LLM, sensitive data goes with it unless something stops it. Here's how server-side PII masking, keyword blocking, and response healing work in practice.

6 min readAICredits Team
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Rate Limits, Budgets, and Per-Key Controls: Taming Team AI Spend
Engineering18 Sept 2026

Rate Limits, Budgets, and Per-Key Controls: Taming Team AI Spend

Most providers only let you set a spending limit at the account level. Here's how to control cost per key, per team, and per environment instead — with real configuration examples.

6 min readAICredits Team
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Embeddings: What They Cost and How to Not Overpay
Engineering15 Sept 2026

Embeddings: What They Cost and How to Not Overpay

Embeddings are the cheapest line item in most RAG pipelines — until you re-embed the same documents on every deploy. Here's the real cost and how to avoid the common waste.

5 min readAICredits Team
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FastAPI + LLM Streaming: Production Backend Template
Engineering8 Sept 2026

FastAPI + LLM Streaming: Production Backend Template

A production-ready FastAPI backend pattern for streaming LLM responses to a frontend — server-sent events, error handling, and cost tracking in one template.

7 min readAICredits Team
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CrewAI / LangGraph Multi-Agent Systems: Real Cost per Run
Engineering25 Aug 2026

CrewAI / LangGraph Multi-Agent Systems: Real Cost per Run

Multi-agent frameworks multiply your token spend by design — every agent hop is another LLM call. Here's how to wire CrewAI and LangGraph to AICredits and what a typical run actually costs.

7 min readAICredits Team
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LlamaIndex in Production: RAG Pipeline with Cost Tracking in ₹
Engineering21 Aug 2026

LlamaIndex in Production: RAG Pipeline with Cost Tracking in ₹

A working LlamaIndex RAG setup — ingestion, embeddings, retrieval, and generation — with the real rupee cost of each stage so you know where your budget actually goes.

7 min readAICredits Team
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Prompt Caching Explained: Up to 90% Off Repeated Context
Engineering21 Jul 2026

Prompt Caching Explained: Up to 90% Off Repeated Context

If your app resends the same system prompt, codebase, or document on every request, prompt caching can cut that portion of your bill by 90%. Here's how it works and when it actually saves money.

5 min readAICredits Team
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Agentic AI Costs: How One Loop Burned ₹5,000 in 10 Minutes (And How to Prevent It)
Engineering3 May 2026

Agentic AI Costs: How One Loop Burned ₹5,000 in 10 Minutes (And How to Prevent It)

AI agents can rack up massive API bills when they loop, retry, or process large context windows. Here's what goes wrong, real rupee numbers, and exactly how to cap spending before it happens.

9 min readAICredits Team
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How to Build a Retry Strategy for LLM API Calls
Engineering3 Apr 2026

How to Build a Retry Strategy for LLM API Calls

Rate limit errors, provider timeouts, and transient failures are inevitable. Here is a production-grade retry strategy with exponential backoff, jitter, and fallback routing.

6 min readAICredits Team
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Context Window Management: Don't Waste Tokens
Engineering1 Apr 2026

Context Window Management: Don't Waste Tokens

Your system prompt, conversation history, and injected documents all compete for the same context window. Here is how to manage token budget and avoid costly waste.

7 min readAICredits Team
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Building a Simple LLM Router in Python (Best Model for Each Task)
Engineering26 Mar 2026

Building a Simple LLM Router in Python (Best Model for Each Task)

Route cheap tasks to cheap models and expensive tasks to capable ones. A practical Python implementation that cuts API spend by 40–70% without sacrificing quality.

8 min readAICredits Team
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Semantic Caching: Cut LLM API Costs by 40% on Repeated Queries
Engineering22 Mar 2026

Semantic Caching: Cut LLM API Costs by 40% on Repeated Queries

Standard HTTP caching doesn't help with LLMs because queries are never exactly the same. Semantic caching matches by meaning — and can eliminate 20–40% of your API spend.

7 min readAICredits Team
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How to Evaluate LLM Outputs: A Practical Guide to Building Evals
Engineering10 Mar 2026

How to Evaluate LLM Outputs: A Practical Guide to Building Evals

Shipping an LLM feature without evals is flying blind. Here's how to build evaluation systems that tell you if your prompts are actually working.

12 min readAICredits Team
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What Is an LLM API Gateway? A Developer's Guide
Engineering8 Mar 2026

What Is an LLM API Gateway? A Developer's Guide

An LLM API gateway sits between your application and language model providers. Here is what it does, why you need one, and when self-hosted vs managed makes sense.

8 min readAICredits Team
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Prompt Injection: The Security Threat Every AI Developer Must Know
Engineering5 Mar 2026

Prompt Injection: The Security Threat Every AI Developer Must Know

If your app passes user input to an LLM, you're vulnerable to prompt injection. Here's what it is, real attack examples, and how to defend against it.

11 min readAICredits Team
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Building Reliable Model Fallbacks Without Code Sprawl
Engineering8 Feb 2026

Building Reliable Model Fallbacks Without Code Sprawl

A practical routing pattern for multi-provider resiliency and graceful degradation when a primary model slows down or fails.

7 min readPlatform Engineering
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Production Observability for AI Gateways
Engineering17 Jan 2026

Production Observability for AI Gateways

What to monitor in a unified AI gateway: latency, provider errors, fallback rates, token drift, and wallet burn.

8 min readReliability Team
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