flatkey.ai Blog
Insights, product notes, and implementation guides for teams building on AI APIs.
AI Gateway Architecture
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Latest articles in Base URL and SDK Migration.
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Latest articles in Enterprise Controls and Trust.
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Latest articles in Model and Modality Playbooks.
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Latest articles in Reliability and Routing.
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Circuit Breakers for LLM API Gateways: Protect Apps From Provider Failure Loops
Use an LLM API gateway circuit breaker to stop provider failure loops, classify errors, protect retries, and route to fallback, queue, or fail closed.
Model Fallback Checklist: Quality, Cost, Tools, and Compliance Boundaries
Use this model fallback checklist to evaluate quality, cost, tools, streaming, compliance, logs, and rollback before automatic AI gateway fallback.
Streaming AI API Reliability: SSE, Timeouts, and Router-Level Failure Modes
Use streaming AI API reliability tests to catch SSE stalls, proxy timeouts, partial outputs, retry risks, and router failover gaps before production.
AI API Retry Strategy: When to Retry, Switch Models, Queue, or Fail Closed
Use an AI API retry strategy to decide when to retry, switch models, queue work, or fail closed without hiding quota, auth, or routing incidents.
AI API Observability Logs: What to Capture for Model Routing Incidents
Use AI API observability logs to debug model routing incidents with request IDs, routes, retries, fallback, tokens, latency, cost, and privacy-safe metadata.
AI API Cost Attribution by Team: From One Key to Accountable Usage
Use AI API cost attribution to assign model usage to teams, cost centers, workflows, quotas, and monthly billing review without one shared key.
Prepaid AI API Billing vs Direct Provider Accounts: Operational Tradeoffs
Compare prepaid AI API billing with direct provider accounts across balance control, invoices, quotas, usage logs, support, and provider-level review.
Per-Key AI Usage Tracking: Separate Staging, Production, and Customer Traffic
Use per-key AI usage tracking to separate staging, production, batch, and customer traffic with clearer quotas, logs, billing, and incident review.
AI API Quota Management: Prevent Runaway Token, Image, and Video Spend
Use AI API quota management to prevent runaway token, image, and video spend with limits by key, team, workflow, model, and environment.
Imagen API Pricing and Routing Checks for OpenAI-Compatible Workflows
Use this Imagen API pricing checklist to verify Google prices, deprecation dates, Flatkey rows, endpoint types, logs, and routing before launch.
Veo API Access Checklist for Multi-Provider Video Routing
Use this Veo API access checklist to verify model IDs, pricing units, async jobs, catalog status, retries, and routing before video traffic.
AI Video Generation API Pricing Comparison: Seedance, Veo, Sora, and Flatkey Route Checks
Compare AI video generation API pricing across Seedance, Veo, and Sora. Learn how to check billing units, Dreamina Seedance 2.0 Mini model IDs, endpoint types, lifecycle risk, quotas, and usage logs in Flatkey before production use.
AI Image Generation API Pricing Comparison: GPT Image, Gemini Image, and Imagen Units
Compare AI image generation API pricing for GPT Image, Gemini, and Imagen, then check Flatkey image-generation routes and generate images with Image Buddy.
GPT Image 2 API Through Flatkey: Pricing, Models, and Request Checks
Use this GPT Image 2 API guide to verify Flatkey model rows, pricing units, endpoint support, and request checks before production traffic.
DeepSeek V4 Migration Checklist: Replace Deprecated Aliases Safely
Use this DeepSeek V4 migration checklist to replace deepseek-chat and deepseek-reasoner, test thinking mode, verify Flatkey routing, and roll back safely.
MiniMax API Access With One OpenAI-Compatible Router
Use MiniMax API access through Flatkey: compare direct MiniMax setup, set one router base URL, choose a model, test logs, pricing, and rollback.
Qwen API Access With One OpenAI-Compatible Base URL
Use Qwen API access through Flatkey: compare direct DashScope endpoints, set one router base URL, choose a model, test logs, pricing, and rollback.
Claude OpenAI SDK Compatibility: What Works and What Does Not
Claude OpenAI SDK compatibility can test Claude with familiar SDK calls. See what works, what is ignored, and when to use Flatkey routing.
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