Dev Proxy
@devproxy.bsky.social
Dev Proxy is an API simulator that helps you effortlessly test your app beyond the happy path:
- mock APIs
- simulate API behaviors like errors, throttling or rate limiting
- emulate latency
- generate OpenAPI specs
...and more!
https://aka.ms/devproxy
- mock APIs
- simulate API behaviors like errors, throttling or rate limiting
- emulate latency
- generate OpenAPI specs
...and more!
https://aka.ms/devproxy
Building apps using .NET Aspire? Integrate Dev Proxy and easily verify the resilience of your app!
Check it out: learn.microsoft.com/microsoft-cl...
Check it out: learn.microsoft.com/microsoft-cl...
October 21, 2025 at 9:42 AM
Building apps using .NET Aspire? Integrate Dev Proxy and easily verify the resilience of your app!
Check it out: learn.microsoft.com/microsoft-cl...
Check it out: learn.microsoft.com/microsoft-cl...
Testing .NET app API errors is tough and time-consuming. Dev Proxy, using system proxy settings, intercepts HTTP requests with no code changes. Simulate errors easily, validate handling early, and build robust apps fast.
Test it on your next project: learn.microsoft.com/microsoft-cl...
Test it on your next project: learn.microsoft.com/microsoft-cl...
October 15, 2025 at 7:08 AM
Testing .NET app API errors is tough and time-consuming. Dev Proxy, using system proxy settings, intercepts HTTP requests with no code changes. Simulate errors easily, validate handling early, and build robust apps fast.
Test it on your next project: learn.microsoft.com/microsoft-cl...
Test it on your next project: learn.microsoft.com/microsoft-cl...
Need to debug API requests and responses? Dev Proxy integrates with Chrome DevTools, surfacing live requests and events in one workspace for easy filtering, analysis, and faster debugging without hunting through logs. Must-have!
Check it out: learn.microsoft.com/microsoft-cl...
Check it out: learn.microsoft.com/microsoft-cl...
October 10, 2025 at 7:18 AM
Need to debug API requests and responses? Dev Proxy integrates with Chrome DevTools, surfacing live requests and events in one workspace for easy filtering, analysis, and faster debugging without hunting through logs. Must-have!
Check it out: learn.microsoft.com/microsoft-cl...
Check it out: learn.microsoft.com/microsoft-cl...
Need to rewrite HTTP requests to HTTPS or apply some other changes? Don't get stuck!
Dev Proxy lets you set rewrite rules in a simple JSON file, applying them to all API calls-no code changes, complex proxies, or manual work. Focus on features!
Check it out: learn.microsoft.com/microsoft-cl...
Dev Proxy lets you set rewrite rules in a simple JSON file, applying them to all API calls-no code changes, complex proxies, or manual work. Focus on features!
Check it out: learn.microsoft.com/microsoft-cl...
September 30, 2025 at 8:32 AM
Need to rewrite HTTP requests to HTTPS or apply some other changes? Don't get stuck!
Dev Proxy lets you set rewrite rules in a simple JSON file, applying them to all API calls-no code changes, complex proxies, or manual work. Focus on features!
Check it out: learn.microsoft.com/microsoft-cl...
Dev Proxy lets you set rewrite rules in a simple JSON file, applying them to all API calls-no code changes, complex proxies, or manual work. Focus on features!
Check it out: learn.microsoft.com/microsoft-cl...
Missing the `client-request-id` in Microsoft Graph requests hinders traceability and troubleshooting. Dev Proxy detects its absence, giving real-time guidance so you meet best practices, simplify debugging, and build reliable integrations.
Check it out: learn.microsoft.com/microsoft-cl...
Check it out: learn.microsoft.com/microsoft-cl...
September 29, 2025 at 7:20 AM
Missing the `client-request-id` in Microsoft Graph requests hinders traceability and troubleshooting. Dev Proxy detects its absence, giving real-time guidance so you meet best practices, simplify debugging, and build reliable integrations.
Check it out: learn.microsoft.com/microsoft-cl...
Check it out: learn.microsoft.com/microsoft-cl...
Omitting `$select` in Microsoft Graph API calls causes large payloads and slow apps. GraphSelectGuidancePlugin flags missing `$select` in real time, helping optimize queries early. Use Dev Proxy to boost app performance and prevent inefficiencies.
Check it out: learn.microsoft.com/microsoft-cl...
Check it out: learn.microsoft.com/microsoft-cl...
September 26, 2025 at 11:19 AM
Omitting `$select` in Microsoft Graph API calls causes large payloads and slow apps. GraphSelectGuidancePlugin flags missing `$select` in real time, helping optimize queries early. Use Dev Proxy to boost app performance and prevent inefficiencies.
Check it out: learn.microsoft.com/microsoft-cl...
Check it out: learn.microsoft.com/microsoft-cl...
Catch beta API usage before your app ships!
Using Microsoft Graph beta endpoints in production risks instability and unexpected changes. Dev Proxy flags beta usage, preventing reliance on unstable APIs and helping ensure code reliability.
Check it out: learn.microsoft.com/microsoft-cl...
Using Microsoft Graph beta endpoints in production risks instability and unexpected changes. Dev Proxy flags beta usage, preventing reliance on unstable APIs and helping ensure code reliability.
Check it out: learn.microsoft.com/microsoft-cl...
September 23, 2025 at 12:34 PM
Catch beta API usage before your app ships!
Using Microsoft Graph beta endpoints in production risks instability and unexpected changes. Dev Proxy flags beta usage, preventing reliance on unstable APIs and helping ensure code reliability.
Check it out: learn.microsoft.com/microsoft-cl...
Using Microsoft Graph beta endpoints in production risks instability and unexpected changes. Dev Proxy flags beta usage, preventing reliance on unstable APIs and helping ensure code reliability.
Check it out: learn.microsoft.com/microsoft-cl...
Need a report of all APIs that your app is using? Dev Proxy's ExecutionSummaryPlugin auto-summarizes API requests by URL or type, giving instant visibility into the resources that your app is using.
Check it out: learn.microsoft.com/microsoft-cl...
Check it out: learn.microsoft.com/microsoft-cl...
September 18, 2025 at 5:49 AM
Need a report of all APIs that your app is using? Dev Proxy's ExecutionSummaryPlugin auto-summarizes API requests by URL or type, giving instant visibility into the resources that your app is using.
Check it out: learn.microsoft.com/microsoft-cl...
Check it out: learn.microsoft.com/microsoft-cl...
HTTP files are awesome for quickly testing APIs. Dev Proxy auto-generates HTTP files from API traffic. This saves time, boosts security, and makes sharing reproducible API scenarios easy for development and collaboration.
Check it out: learn.microsoft.com/microsoft-cl...
Check it out: learn.microsoft.com/microsoft-cl...
September 16, 2025 at 6:47 AM
HTTP files are awesome for quickly testing APIs. Dev Proxy auto-generates HTTP files from API traffic. This saves time, boosts security, and makes sharing reproducible API scenarios easy for development and collaboration.
Check it out: learn.microsoft.com/microsoft-cl...
Check it out: learn.microsoft.com/microsoft-cl...
TypeSpec is a game changer for working with APIs. But how to build it? Dev Proxy records real API traffic and auto-generates accurate TypeSpec files-no manual contract writing. Get reliable, up-to-date specs fast for smoother, faster integration.
Try it: learn.microsoft.com/microsoft-cl...
Try it: learn.microsoft.com/microsoft-cl...
September 15, 2025 at 7:07 AM
TypeSpec is a game changer for working with APIs. But how to build it? Dev Proxy records real API traffic and auto-generates accurate TypeSpec files-no manual contract writing. Get reliable, up-to-date specs fast for smoother, faster integration.
Try it: learn.microsoft.com/microsoft-cl...
Try it: learn.microsoft.com/microsoft-cl...
Need an API spec? Dev Proxy auto-generates accurate OpenAPI specs from real API traffic, keeping docs current and integration smooth-no manual coding. Probably the fastest way to create a spec out there.
Check it out: learn.microsoft.com/microsoft-cl...
Check it out: learn.microsoft.com/microsoft-cl...
September 11, 2025 at 8:16 AM
Need an API spec? Dev Proxy auto-generates accurate OpenAPI specs from real API traffic, keeping docs current and integration smooth-no manual coding. Probably the fastest way to create a spec out there.
Check it out: learn.microsoft.com/microsoft-cl...
Check it out: learn.microsoft.com/microsoft-cl...
Hardcoded tokens or skipped auth checks cause unreliable authentication simulation, slowing you down. Dev Proxy's AuthPlugin simulates real API key/OAuth2 flows, enforcing auth scenarios. Test auth reliably and launch with confidence.
Check it out: learn.microsoft.com/microsoft-cl...
Check it out: learn.microsoft.com/microsoft-cl...
September 10, 2025 at 6:48 AM
Hardcoded tokens or skipped auth checks cause unreliable authentication simulation, slowing you down. Dev Proxy's AuthPlugin simulates real API key/OAuth2 flows, enforcing auth scenarios. Test auth reliably and launch with confidence.
Check it out: learn.microsoft.com/microsoft-cl...
Check it out: learn.microsoft.com/microsoft-cl...
Build apps that handle token limits reliably - before hitting production. Dev Proxy's Rate Limiting plugin lets you simulate quota errors, throttling, and custom limits locally. Test, catch issues early, and ship with confidence.
Check it out: learn.microsoft.com/microsoft-cl...
Check it out: learn.microsoft.com/microsoft-cl...
September 2, 2025 at 6:48 AM
Build apps that handle token limits reliably - before hitting production. Dev Proxy's Rate Limiting plugin lets you simulate quota errors, throttling, and custom limits locally. Test, catch issues early, and ship with confidence.
Check it out: learn.microsoft.com/microsoft-cl...
Check it out: learn.microsoft.com/microsoft-cl...
Manually crafted OData paging URLs can cause silent bugs. Dev Proxy's ODataPagingGuidancePlugin flags non-standard paging requests instantly, helping you catch issues early and ensure smooth, standards-compliant OData integrations and releases.
Check it out: learn.microsoft.com/microsoft-cl...
Check it out: learn.microsoft.com/microsoft-cl...
September 1, 2025 at 10:02 AM
Manually crafted OData paging URLs can cause silent bugs. Dev Proxy's ODataPagingGuidancePlugin flags non-standard paging requests instantly, helping you catch issues early and ensure smooth, standards-compliant OData integrations and releases.
Check it out: learn.microsoft.com/microsoft-cl...
Check it out: learn.microsoft.com/microsoft-cl...
How is your app handling throttling? Have you actually tested it? Dev Proxy simulates throttle scenarios, letting you test 429 responses and "Retry-After" logic. Catch resilience bugs early and ship apps that handle throttling gracefully.
Check it out: learn.microsoft.com/microsoft-cl...
Check it out: learn.microsoft.com/microsoft-cl...
August 29, 2025 at 6:29 AM
How is your app handling throttling? Have you actually tested it? Dev Proxy simulates throttle scenarios, letting you test 429 responses and "Retry-After" logic. Catch resilience bugs early and ship apps that handle throttling gracefully.
Check it out: learn.microsoft.com/microsoft-cl...
Check it out: learn.microsoft.com/microsoft-cl...
The easiest way to speed up your app? Cache data! Dev Proxy's CachingGuidancePlugin identifies these in real time, alerting you instantly. Fix issues early, reduce latency, and ensure reliable, efficient API integration.
Check it out: learn.microsoft.com/microsoft-cl...
Check it out: learn.microsoft.com/microsoft-cl...
August 28, 2025 at 6:09 AM
The easiest way to speed up your app? Cache data! Dev Proxy's CachingGuidancePlugin identifies these in real time, alerting you instantly. Fix issues early, reduce latency, and ensure reliable, efficient API integration.
Check it out: learn.microsoft.com/microsoft-cl...
Check it out: learn.microsoft.com/microsoft-cl...
Testing your app locally? Use real-world delays! Dev Proxy's LatencyPlugin emulates slow responses, letting you test app resilience locally. Identify and fix latency issues early, boosting reliability and quality.
Check it out: learn.microsoft.com/microsoft-cl...
Check it out: learn.microsoft.com/microsoft-cl...
August 27, 2025 at 9:44 AM
Testing your app locally? Use real-world delays! Dev Proxy's LatencyPlugin emulates slow responses, letting you test app resilience locally. Identify and fix latency issues early, boosting reliability and quality.
Check it out: learn.microsoft.com/microsoft-cl...
Check it out: learn.microsoft.com/microsoft-cl...
Shadow APIs - unregistered endpoints - pose security and compliance risks. Dev Proxy's ApiCenterOnboardingPlugin scans your app, finds uncataloged APIs, and auto-registers them in Azure API Center with docs. Gain visibility and strengthen governance.
See how: learn.microsoft.com/microsoft-cl...
See how: learn.microsoft.com/microsoft-cl...
August 26, 2025 at 9:41 AM
Shadow APIs - unregistered endpoints - pose security and compliance risks. Dev Proxy's ApiCenterOnboardingPlugin scans your app, finds uncataloged APIs, and auto-registers them in Azure API Center with docs. Gain visibility and strengthen governance.
See how: learn.microsoft.com/microsoft-cl...
See how: learn.microsoft.com/microsoft-cl...
Excessive Graph API permissions increase security risks and audit issues. Dev Proxy's plugin analyzes actual usage, reports unused/excess scopes, and helps enforce least privilege-improving security and compliance with minimal effort.
See how it works: learn.microsoft.com/microsoft-cl...
See how it works: learn.microsoft.com/microsoft-cl...
August 14, 2025 at 6:47 AM
Excessive Graph API permissions increase security risks and audit issues. Dev Proxy's plugin analyzes actual usage, reports unused/excess scopes, and helps enforce least privilege-improving security and compliance with minimal effort.
See how it works: learn.microsoft.com/microsoft-cl...
See how it works: learn.microsoft.com/microsoft-cl...
Are your SharePoint solutions using minimal permissions? Dev Proxy's MinimalCsomPermissionsPlugin scans your app's CSOM requests, identifies exact delegate/app scopes, and streamlines reviews-eliminating guesswork and over-permissioning.
Check it out: learn.microsoft.com/microsoft-cl...
Check it out: learn.microsoft.com/microsoft-cl...
August 13, 2025 at 7:48 AM
Are your SharePoint solutions using minimal permissions? Dev Proxy's MinimalCsomPermissionsPlugin scans your app's CSOM requests, identifies exact delegate/app scopes, and streamlines reviews-eliminating guesswork and over-permissioning.
Check it out: learn.microsoft.com/microsoft-cl...
Check it out: learn.microsoft.com/microsoft-cl...
Auditing API permissions slows dev and misses risks. Dev Proxy's `ApiCenterMinimalPermissionsPlugin` automates checks, flags excess scopes, and recommends needed ones. Cut attack surface, ease audits, and secure APIs-no extra work.
Check it out: learn.microsoft.com/microsoft-cl...
Check it out: learn.microsoft.com/microsoft-cl...
August 12, 2025 at 5:55 AM
Auditing API permissions slows dev and misses risks. Dev Proxy's `ApiCenterMinimalPermissionsPlugin` automates checks, flags excess scopes, and recommends needed ones. Cut attack surface, ease audits, and secure APIs-no extra work.
Check it out: learn.microsoft.com/microsoft-cl...
Check it out: learn.microsoft.com/microsoft-cl...
Manually finding minimal Microsoft Graph API permissions is complex and risky. Dev Proxy's GraphMinimalPermissionsPlugin detects only the permissions your app uses, reducing risks and audit hassles. Streamline permission management automatically.
Check it out: learn.microsoft.com/microsoft-cl...
Check it out: learn.microsoft.com/microsoft-cl...
August 11, 2025 at 7:23 AM
Manually finding minimal Microsoft Graph API permissions is complex and risky. Dev Proxy's GraphMinimalPermissionsPlugin detects only the permissions your app uses, reducing risks and audit hassles. Streamline permission management automatically.
Check it out: learn.microsoft.com/microsoft-cl...
Check it out: learn.microsoft.com/microsoft-cl...
Build apps that handle token limits reliably - before hitting production. Dev Proxy's Rate Limiting plugin lets you simulate quota errors, throttling, and custom limits locally. Test, catch issues early, and ship with confidence.
Check it out: learn.microsoft.com/microsoft-cl...
Check it out: learn.microsoft.com/microsoft-cl...
August 8, 2025 at 7:13 AM
Build apps that handle token limits reliably - before hitting production. Dev Proxy's Rate Limiting plugin lets you simulate quota errors, throttling, and custom limits locally. Test, catch issues early, and ship with confidence.
Check it out: learn.microsoft.com/microsoft-cl...
Check it out: learn.microsoft.com/microsoft-cl...
LLM usage costs are unpredictable without detailed telemetry. Dev Proxy logs OpenAI usage in OpenTelemetry, tracking tokens, requests, and costs. Get session-level insights to optimize prompts and control spending.
See how: learn.microsoft.com/microsoft-cl...
See how: learn.microsoft.com/microsoft-cl...
August 7, 2025 at 6:38 AM
LLM usage costs are unpredictable without detailed telemetry. Dev Proxy logs OpenAI usage in OpenTelemetry, tracking tokens, requests, and costs. Get session-level insights to optimize prompts and control spending.
See how: learn.microsoft.com/microsoft-cl...
See how: learn.microsoft.com/microsoft-cl...
Apps using large language models risk errors - like biased or confusing responses - leading to broken workflows or reputational harm. Dev Proxy lets you simulate LLM failures in development, so you can test and improve your app's error handling.
See how: learn.microsoft.com/microsoft-cl...
See how: learn.microsoft.com/microsoft-cl...
August 6, 2025 at 7:17 AM
Apps using large language models risk errors - like biased or confusing responses - leading to broken workflows or reputational harm. Dev Proxy lets you simulate LLM failures in development, so you can test and improve your app's error handling.
See how: learn.microsoft.com/microsoft-cl...
See how: learn.microsoft.com/microsoft-cl...