https://www.ferryapi.io/blog Practical notes on OpenAI-compatible AI APIs, gateway cost control, model routing, usage billing, and production AI operations. en Fri, 05 Jun 2026 06:25:00 GMT https://www.ferryapi.io/blog/openai-compatible-api-gateway-production-checklist https://www.ferryapi.io/blog/openai-compatible-api-gateway-production-checklist Fri, 05 Jun 2026 06:25:00 GMT A practical production checklist for testing an OpenAI-compatible AI API gateway: SDK compatibility, routing, latency, cost visibility, key management, developer experience, and rollout safety. https://www.ferryapi.io/blog/llm-api-cost-spike-incident-checklist https://www.ferryapi.io/blog/llm-api-cost-spike-incident-checklist Fri, 05 Jun 2026 04:10:00 GMT A practical incident checklist for SaaS teams handling sudden LLM API cost spikes: blast-radius triage, scoped spend controls, retry policy, fallback routing, attribution, and post-incident guardrails. https://www.ferryapi.io/blog/ai-api-admin-audit-log-requirements https://www.ferryapi.io/blog/ai-api-admin-audit-log-requirements Thu, 04 Jun 2026 14:43:00 GMT A practical audit log checklist for SaaS teams running AI API gateways: customer key changes, quota edits, routing policy updates, refunds, exports, admin access, and evidence retention. https://www.ferryapi.io/blog/ai-api-customer-usage-export-schema https://www.ferryapi.io/blog/ai-api-customer-usage-export-schema Thu, 04 Jun 2026 14:33:00 GMT A practical customer usage export schema for SaaS teams selling AI features: request IDs, customer keys, model routes, tokens, cost, credits, refunds, and invoice-ready CSV fields. https://www.ferryapi.io/docs/ai-api-refund-policy-failed-requests https://www.ferryapi.io/docs/ai-api-refund-policy-failed-requests Thu, 04 Jun 2026 14:23:00 GMT A practical refund policy for SaaS teams handling failed AI API requests: reservations, provider failures, retries, streaming interruptions, customer credits, and usage-ledger evidence. https://www.ferryapi.io/blog/ai-api-spend-alerts-implementation https://www.ferryapi.io/blog/ai-api-spend-alerts-implementation Thu, 04 Jun 2026 14:13:00 GMT A practical implementation guide for AI API spend alerts in SaaS products: thresholds, forecasted burn, customer keys, prepaid balances, routing changes, and escalation workflows. https://www.ferryapi.io/blog/ai-api-rate-limit-headers-openai-compatible-gateways https://www.ferryapi.io/blog/ai-api-rate-limit-headers-openai-compatible-gateways Thu, 04 Jun 2026 14:03:00 GMT A practical guide to rate limit headers for SaaS teams running OpenAI-compatible AI gateways: expose quotas, retry timing, model limits, prepaid balance risk, and support-friendly request IDs. https://www.ferryapi.io/blog/ai-api-idempotency-keys-openai-compatible-gateways https://www.ferryapi.io/blog/ai-api-idempotency-keys-openai-compatible-gateways Thu, 04 Jun 2026 13:53:00 GMT A practical idempotency key design for SaaS teams running OpenAI-compatible AI gateways: prevent duplicate retries, double billing, tool replays, and ledger mismatches. https://www.ferryapi.io/blog/ai-api-streaming-timeout-policy https://www.ferryapi.io/blog/ai-api-streaming-timeout-policy Thu, 04 Jun 2026 13:43:00 GMT A practical streaming timeout policy for SaaS teams running OpenAI-compatible AI gateways: handle idle streams, cancellation, partial output, retries, billing, and customer-visible errors safely. https://www.ferryapi.io/blog/ai-api-provider-failover-runbook https://www.ferryapi.io/blog/ai-api-provider-failover-runbook Thu, 04 Jun 2026 13:33:00 GMT A practical provider failover runbook for SaaS teams running OpenAI-compatible AI gateways: decide when to switch providers, protect budgets, preserve billing, and keep customer-visible behavior predictable. https://www.ferryapi.io/blog/openai-compatible-gateway-retry-budget-policy https://www.ferryapi.io/blog/openai-compatible-gateway-retry-budget-policy Thu, 04 Jun 2026 13:23:00 GMT A practical retry budget policy for SaaS teams running OpenAI-compatible AI gateways: control retries, fallback attempts, streaming timeouts, duplicate billing, and provider spend. https://www.ferryapi.io/blog/ai-api-request-logging-redaction-checklist https://www.ferryapi.io/blog/ai-api-request-logging-redaction-checklist Thu, 04 Jun 2026 13:13:00 GMT A practical checklist for logging AI API requests safely: redact prompts, keys, tool payloads, customer identifiers, provider traces, and billing metadata without losing observability. https://www.ferryapi.io/blog/openai-compatible-api-key-rotation-policy https://www.ferryapi.io/blog/openai-compatible-api-key-rotation-policy Thu, 04 Jun 2026 13:03:00 GMT A practical policy for rotating customer API keys, provider keys, and gateway secrets in OpenAI-compatible SaaS AI products without breaking billing or usage attribution. https://www.ferryapi.io/blog/ai-api-cost-anomaly-detection-runbook https://www.ferryapi.io/blog/ai-api-cost-anomaly-detection-runbook Thu, 04 Jun 2026 12:53:00 GMT A practical runbook for detecting AI API cost anomalies across customer keys, model routes, provider accounts, retries, prepaid balances, and billing ledgers. https://www.ferryapi.io/blog/ai-api-usage-ledger-design https://www.ferryapi.io/blog/ai-api-usage-ledger-design Thu, 04 Jun 2026 12:43:00 GMT A practical design guide for building an immutable AI API usage ledger across customer API keys, model routing, retries, refunds, prepaid balances, and invoice reconciliation. https://www.ferryapi.io/blog/ai-api-quota-policy-examples https://www.ferryapi.io/blog/ai-api-quota-policy-examples Thu, 04 Jun 2026 12:40:00 GMT Practical quota policy examples for SaaS teams managing customer API keys, model tiers, prepaid balances, abuse limits, and overage behavior in OpenAI-compatible gateways. https://www.ferryapi.io/blog/multi-provider-ai-invoice-reconciliation https://www.ferryapi.io/blog/multi-provider-ai-invoice-reconciliation Thu, 04 Jun 2026 12:35:00 GMT A practical reconciliation checklist for SaaS teams matching OpenAI-compatible gateway usage records against multiple AI provider invoices, currencies, token prices, and customer charges. https://www.ferryapi.io/blog/llm-prepaid-balance-implementation https://www.ferryapi.io/blog/llm-prepaid-balance-implementation Thu, 04 Jun 2026 12:30:00 GMT A practical implementation guide for SaaS teams adding LLM prepaid balances, reservations, quota checks, settlement, refunds, and invoice-ready usage records. https://www.ferryapi.io/blog/openrouter-alternative-migration-for-saas-billing https://www.ferryapi.io/blog/openrouter-alternative-migration-for-saas-billing Thu, 04 Jun 2026 12:20:00 GMT A practical migration plan for SaaS teams moving AI API workloads from a shared model router to an OpenAI-compatible gateway with customer keys, prepaid balances, and usage billing. https://www.ferryapi.io/blog/openrouter-alternative-for-saas-billing https://www.ferryapi.io/blog/openrouter-alternative-for-saas-billing Thu, 04 Jun 2026 12:25:00 GMT A practical guide for SaaS teams evaluating OpenRouter alternatives when they need customer API keys, prepaid balances, tenant quotas, and multi-provider billing reconciliation. https://www.ferryapi.io/blog/tenant-level-ai-budget-guardrails https://www.ferryapi.io/blog/tenant-level-ai-budget-guardrails Thu, 04 Jun 2026 12:18:00 GMT Practical policy examples for enforcing tenant-level AI budgets, API key quotas, prepaid balances, and model downgrade rules in OpenAI-compatible gateways. https://www.ferryapi.io/blog/ai-api-usage-attribution-schema https://www.ferryapi.io/blog/ai-api-usage-attribution-schema Thu, 04 Jun 2026 12:10:00 GMT A practical usage attribution schema for SaaS teams that need customer-level AI API billing, quota enforcement, prepaid balance tracking, and OpenAI-compatible gateway observability. https://www.ferryapi.io/blog/ai-api-cost-control-playbook-for-saas-teams https://www.ferryapi.io/blog/ai-api-cost-control-playbook-for-saas-teams Thu, 04 Jun 2026 11:58:00 GMT A practical playbook for SaaS teams controlling AI API cost with workload tiers, quotas, customer API keys, model routing, retries, and usage-based billing. https://www.ferryapi.io/blog/model-routing-vs-fallback-openai-compatible-api-gateways https://www.ferryapi.io/blog/model-routing-vs-fallback-openai-compatible-api-gateways Thu, 04 Jun 2026 12:05:00 GMT A practical guide for AI SaaS teams on separating model routing from fallback policy in OpenAI-compatible API gateways, with cost, reliability, and billing tradeoffs. https://www.ferryapi.io/blog/openai-compatible-gateway-readiness-checklist https://www.ferryapi.io/blog/openai-compatible-gateway-readiness-checklist Thu, 04 Jun 2026 11:50:00 GMT A practical checklist for deciding when an AI SaaS product needs an OpenAI-compatible gateway: model routing, customer API keys, quotas, retries, usage billing, and observability. https://www.ferryapi.io/blog/customer-api-keys-cost-control-openai-compatible-gateways https://www.ferryapi.io/blog/customer-api-keys-cost-control-openai-compatible-gateways Thu, 04 Jun 2026 00:00:00 GMT Model routing helps reduce LLM spend, but production AI apps also need customer-level API keys, quotas, balance controls, and usage attribution.