flatkey.ai Blog
Insights, product notes, and implementation guides for teams building on AI APIs.
AI Gateway Architecture
Latest articles in AI Gateway Architecture.
Read moreBase URL and SDK Migration
Latest articles in Base URL and SDK Migration.
Read moreCost, Billing, and Ops
Latest articles in Cost, Billing, and Ops.
Read moreEnterprise Controls and Trust
Latest articles in Enterprise Controls and Trust.
Read moreGateway Comparisons
Latest articles in Gateway Comparisons.
Read moreModel and Modality Playbooks
Latest articles in Model and Modality Playbooks.
Read moreReliability and Routing
Latest articles in Reliability and Routing.
Read moreTool Integrations
Latest articles in Tool Integrations.
Read moreコスト・請求・運用
AI APIのコスト最適化、請求管理、運用に関する日本語記事
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Regional LLM Provider Routing: When DeepSeek, Qwen, and Local Providers Need Separate Checks
If you are planning **regional LLM provider routing**, the hard part is not finding one more OpenAI-compatible endpoint. The hard part is deciding when a DeepSeek route can be treated like a normal cloud provider, when a
Speech-to-Text API Routing: How to Balance Transcription Cost, Latency, and Data Controls
If you are planning speech to text API routing, the hard part is not finding a provider that can transcribe audio. The hard part is deciding which route should handle live captions, which route should absorb backlog jobs
Multi-Upstream Account Pooling: Reliability Checks Before Sharing Model Traffic
A production checklist for safe multi-upstream account pooling across AI model accounts, with health checks, quotas, billing evidence, and fail-closed routing rules.
Model Fallback Quality Testing: When Cheaper or Faster Models Are Not Equivalent
A practical model fallback quality testing plan for proving cheaper or faster backup models preserve quality, cost, tools, policy, and observability before production routing.
LLM Router Canary Release: Move Model Traffic Safely Without a Big-Bang Cutover
Use an LLM router canary release to move model traffic in stages with metrics, stop conditions, rollback triggers, and Flatkey checks.
AI API Secret Scanning: Find Provider Keys Before They Become Incidents
Use AI API secret scanning to find provider keys in repos, CI, logs, and runbooks before leaks become incidents. Includes owner and rotation evidence.
SOC 2 AI API Gateway Scope: What the Report Should and Should Not Prove
Use this SOC 2 AI API gateway scope checklist to separate what a report can prove from route, provider, logging, retention, and buyer-owned follow-up evidence.
AI Gateway DPA Checklist: Data Processing Questions for Model Routing Buyers
A practical AI gateway DPA checklist for procurement, security, and platform teams reviewing model routing, logs, retention, subprocessors, and support access.
AI Model Provider Evidence Review: What to Save Before Approving a New Route
Save the model docs, pricing, data terms, status, support, route tests, and rollback proof every AI model provider evidence review needs before approval.
AI API Redaction Policy: Protect Prompts, Outputs, Logs, and Support Tickets
A practical AI API redaction policy for protecting prompts, outputs, gateway logs, exports, and support tickets while preserving useful audit evidence.
AI gateway KPI dashboard: SEO, Product, and Revenue Signals
A practical architecture guide for building an AI gateway KPI dashboard that joins SEO demand, product activation, routing reliability, cost, revenue, and evidence freshness.
AI API Prepaid Balance Management: Recharge Records, Alerts, and Finance Review
A practical cost-ops guide for controlling prepaid AI API balance with recharge records, low-balance alerts, auto-recharge rules, and finance review.
Per-Customer AI Usage Metering: Build Billing Evidence for Embedded AI Features
A practical cost-ops guide for turning embedded AI usage into customer-level billing evidence, from metadata to dispute packets.
LLM Cost Tracking by Environment: Separate Dev, Staging, Production, and Customer Traffic
A practical cost-ops guide for separating dev, staging, production, and customer AI API traffic before it reaches the invoice.
AI API Gateway Evaluation Matrix: 25 Questions Before You Move Model Traffic
A 25-question AI API gateway evaluation matrix for testing routing, keys, logs, cost evidence, support, privacy, and rollback before model traffic moves.
LiteLLM Proxy Operations Cost: Hidden Work Behind a Self-Hosted LLM Gateway
A practical worksheet for comparing LiteLLM proxy operations cost with managed AI API gateway ownership.
OpenRouter Direct Provider Accounts vs a Gateway: When One Key Reduces Invoice Sprawl
A practical comparison of OpenRouter, direct provider accounts, and gateway operations for teams trying to reduce API key and invoice sprawl.
AI Gateway Alternatives: Evaluation Matrix for Hosted, Self-Hosted, and Provider-Native Options
Compare AI gateway alternatives by operating model, provider access, base URL migration, billing, quotas, logs, routing, and operational ownership.
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