Debugging API
integrations
Instantly see exactly what went wrong and how to fix it — across APIs, services, and teams.
“I can see exactly what broke in an API integration and share it with engineering instantly. It’s reduced our MMTR (Mean Time to Resolve) by hours.”
Capture, replay, reproduce, resolve. Fix API integrations and keep them fixed.
Problem
- Hard-to-reproduce bugs that only surface under real-world, production-specific conditions
- Limited visibility into the full request paths of service calls
- Manual correlation of logs, traces, and API payloads, often scattered across tools and teams
- Need to rely on tribal knowledge to understand API design and behavior, instead of accurate documentation
- Slow and fragmented root cause analysis due to cross-team coordination delays
Solution
- Replay real-world failures with full visibility across systems and services, making root cause analysis faster
- See the complete request path in a single timeline, including frontend actions, HTTP calls, backend traces, logs, metrics, and service dependencies
- Turn real production issues into auto-generated, reproducible test scripts you can run, modify, and share
- Capture and centralize knowledge on API behavior, integration logic, and test coverage in one always-current workspace
Debug API integration failures end to end
Try it now1 month free · no credit card required
Click through the steps to see how it works:
Catch bugs before they escalate
Design and test API integrations in the same workspace where you’ll debug them.
Use real API calls, inline logic, and multi-step flows to surface issues early, before they ship and become harder to trace.
Capture full-stack session recordings
Reproduce issues effortlessly
Verify fixes in real time
Collaborate with full context
Why choose Multiplayer Notebooks for API debugging?
Faster root cause analysis
Full-stack session recordings show the exact request flow, payloads, headers, and service traces. You can pinpoint failures across systems without digging through scattered logs or dashboards.
Effortless bug reproduction
Turn any full-stack session recording into a runnable Notebook test script that simulates the exact failure path, with all the real-world conditions that triggered it.
Verify fixes with confidence
Test potential fixes in the same environment where the issue occurred by modifying API calls or code blocks, and instantly rerunning the sequence to confirm resolution.
Reduce technical debt
Capture system behavior, edge cases, and integration logic early, in a structured format that stays current. Replace tribal knowledge with shareable, living API documentation.
Prevent regressions before they happen
Turn every fixed bug into a persistent, high-fidelity test case that can be re-run after every change, so past issues stay fixed, even as the system evolves.
Cross-team shared context
Full-stack session recordings, test scripts, and API designs live in one interactive workspace, making it easy to align frontend, backend, QA, and platform teams without handoffs or rework.Start for free
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End-to-end debugging
Capture everything you need to resolve a bug—from frontend screens, backend traces, metrics, logs and full request/response content and headers—without having to dig through APM data.pairs with
AI-powered debugging
With MCP support, stream real-time, full-stack session recordings directly into your favorite AI tool / IDE. You can fix complex bugs faster without ever leaving your workflow.Trace API failures across systems, services, and teams
Multiplayer lets you replay real-world API failures end to end, auto-generate reproducible test scripts, and centralize knowledge on API design decisions and integration logic — all in one place.Feature
Test API calls
Collaborate with external teams (Devs, Partners, QA, CS, etc.)
Write and run inline code within API workflows
Chain API and code blocks together
Test multi-step integrations
Debug with full session capture
Auto-generate test scripts
Embed explanations, ADRs, design notes
Embed graphs and tables
API Tools
Multiplayer
Full-stack debugging
Catch API errors in production
Integration test debugging
Enhanced end-to-end testing
Trace API errors across microservices
Reproduce API integration bugs with real data
Debug API integrations without losing time or context
Use Multiplayer to see exactly what broke, why, and how to fix it.Try it nowBook a Demo
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