What to Do When the OpenAI API Goes Down: A Resilience Playbook for Builders

When your product leans on a single AI provider, an outage can freeze core features and impact revenue. The fix isn’t “hope it won’t happen again”—it’s engineering your stack so a provider hiccup becomes a routing decision, not an incident. This hands-on guide shows how to prepare for an OpenAI API outage with proactive monitoring, automatic failover, multi-provider orchestration, caching, batching, and clear comms—plus where ShareAI fits in.
Understanding the risk of API dependence
Third-party APIs are powerful—and outside your control. That means you can’t dictate their uptime or maintenance windows; rate limits can throttle features right when traffic spikes; and regional restrictions or latency blips can degrade UX. If your AI layer is a single point of failure, the business is too. The remedy: design resilience up front—so your app stays usable even when a provider is degraded or down.
1) Monitor model + endpoint health in real time
Don’t just watch errors. Track availability and latency per endpoint (chat, embeddings, completions, tools) so you can spot partial incidents early and reroute traffic proactively.
- What to measure: p50/p95 latency, timeout rate, non-200s per endpoint; token/s; queue depth (if batching); region-scoped health.
- Tactics: add a low-cost healthcheck prompt per endpoint; alert on p95 + error rate over a small window; surface a simple provider health panel in your on-call dashboards.
Keep healthchecks synthetic and safe; never use real PII.
2) Implement automatic failover (not manual toggles)
When the primary fails, route—don’t stop. A circuit breaker should trip quickly, push traffic to the next provider, and auto-recover when the primary stabilizes.
- Failover order: primary → secondary → tertiary (per task/model).
- Idempotency keys: make retries safe server-side.
- Schema stability: normalize responses so product code stays unchanged.
- Audit: log which provider actually served the request (for costs and post-mortems).
3) Use multi-provider orchestration from day one
Abstract your AI layer so you can connect multiple vendors and route by policy (health, cost, latency, quality). Keep your app code stable while the orchestration layer chooses the best live path.
- Partial outages become routing choices—no fire drills.
- Run A/B or shadow traffic to compare models continuously.
- Retain pricing leverage and avoid lock-in.
With ShareAI: One API to browse 150+ models, test in the Playground, and integrate via the API Reference and Docs.
4) Cache what’s repetitive
Not every prompt must hit a live LLM. Cache stable FAQs, boilerplate summaries, system prompts, and deterministic tool outputs. Warm caches ahead of expected traffic spikes or planned maintenance.
- Cache key: hash(prompt + params + model family + version).
- TTL: set per use-case; invalidate on prompt/schema changes.
- Read-through cache: serve from cache first; compute and store on miss.
async function cachedAnswer( key: string, compute: () => Promise<string>, ttlMs: number ) { const hit = await cache.get(key); if (hit) return hit; const value = await compute(); await cache.set(key, value, { ttl: ttlMs }); return value; }
5) Batch non-critical work
During an outage, keep user-facing flows snappy and push heavy jobs to a queue. Drain when providers recover.
- Massive document summarization
- Overnight analytics/insights generation
- Periodic embeddings refresh
6) Track costs—failover shouldn’t wreck your budget
Resilience can change your spend profile. Add cost guards per model/provider, real-time spend monitors with anomaly alerts, and post-incident attribution (which routes spiked?). Manage keys and billing in the Console: Create API Key · Billing.
7) Communicate clearly with users and teams
Silence feels like downtime—even if you’ve degraded gracefully. Use in-app banners for partial degradation with known workarounds. Keep incident notes short and specific (what’s affected, impact, mitigation). Post-mortems should be blameless and concrete about what you’ll improve.
ShareAI: the fastest path to resilience
The People-Powered AI API. With one REST endpoint, teams can run 150+ models across a global peer GPU grid. The network auto-selects providers by latency, price, region, and model—and fails over when one degrades. It’s vendor-agnostic and pay-per-token, with 70% of spend flowing to providers who keep models online.
- Browse Models to compare price and availability.
- Read the Docs and jump into the API quickstart.
- Try in Playground or Sign in or Sign up.
- Recruiting providers? Point folks to the Provider Guide.
Architecture blueprint (copy-paste friendly)
Request flow (happy path → failover)
- User request enters AI Gateway.
- Policy engine scores providers by health/latency/cost.
- Route to Primary; on timeout/outage codes, trip breaker and route to Secondary.
- Normalizer maps responses to a stable schema.
- Observability logs metrics + provider used; Cache stores deterministic results.
Provider policy examples
- Latency-first: weight p95 heavily; prefer nearest region.
- Cost-first: cap $/1k tokens; overflow to slower but cheaper models off-peak.
- Quality-first: use eval scores on recent prompts (A/B or shadow traffic).
Observability map
- Metrics: success rate, p50/p95 latency, timeouts, queue depth.
- Logs: provider ID, model, tokens in/out, retry counts, cache hits.
- Traces: request → gateway → provider call(s) → normalizer → cache.
Checklist: be outage-ready in under a week
- Day 1–2: Add endpoint-level monitors + alerts; build a health panel.
- Day 3–4: Plug a second provider and set a routing policy.
- Day 5: Cache hot paths; queue long-running jobs.
- Day 6–7: Add cost guards; prepare your incident comms template; run a rehearsal.
Want more like this? Explore our developer guides for routing policies, SDK tips, and outage-ready patterns. You can also book a meeting with our team.
Conclusion: turn outages into routing decisions
Outages happen. Downtime doesn’t have to. Monitor intelligently, fail over automatically, orchestrate providers, cache the repeatable work, batch the rest, and keep users informed. If you want the shortest path to resilience, try ShareAI’s one API and let policy-based routing keep you online—even when a single provider blinks.