[{"data":1,"prerenderedAt":205},["ShallowReactive",2],{"blog-checklists/third-party-api-checklist":3},{"id":4,"title":5,"body":6,"category":182,"date":183,"dateModified":183,"description":184,"draft":185,"extension":186,"faq":187,"featured":185,"headerVariant":190,"image":191,"keywords":191,"meta":192,"navigation":193,"ogDescription":194,"ogTitle":191,"path":195,"readTime":191,"schemaOrg":196,"schemaType":197,"seo":198,"sitemap":199,"stem":200,"tags":201,"twitterCard":203,"__hash__":204},"blog/blog/checklists/third-party-api-checklist.md","Third-Party API Security Checklist: 14-Item Guide for Safe Integrations",{"type":7,"value":8,"toc":176},"minimark",[9,16,19,22,47,65,81,97,112,117,120,123,145,164],[10,11,12],"tldr",{},[13,14,15],"p",{},"Third-party APIs extend your attack surface. Store credentials securely using environment variables, request only necessary permissions, validate all responses, and plan for failures. 4 critical items must be fixed before launch, 6 important items within the first week, and 4 recommended items when you can.",[13,17,18],{},"Every external API you integrate is a dependency you do not control. That Stripe webhook, that SendGrid call, that OpenAI request -- each one is a potential point of failure or compromise if you are not careful with credentials and error handling. This checklist helps you integrate third-party services without inheriting their risk.",[20,21],"print-button",{},[23,24,26,31,35,39,43],"checklist-section",{"title":25},"Quick Checklist (5 Critical Items)",[27,28],"checklist-item",{"description":29,"label":30},"Never hardcode credentials in your code","Store API keys in environment variables",[27,32],{"description":33,"label":34},"Never send credentials over unencrypted connections","Use HTTPS for all API calls",[27,36],{"description":37,"label":38},"Request only the scopes and permissions you need","Restrict API key permissions",[27,40],{"description":41,"label":42},"Keep API keys off the client","Proxy through your backend when possible",[27,44],{"description":45,"label":46},"Check response structure before processing","Validate all API responses",[23,48,51,54,58,62],{"title":49,"count":50},"Credential Management","4",[27,52],{"description":53,"label":30},"Never hardcode credentials. Use .env files locally and secrets management in production. How to secure API keys",[27,55],{"description":56,"label":57},"Development, staging, and production should have different API keys. Limits blast radius if leaked. How to manage environment credentials","Use separate keys per environment",[27,59],{"description":60,"label":61},"Plan how you will rotate keys before they expire or get compromised. Automate where possible. How to rotate API keys","Implement key rotation process",[27,63],{"description":64,"label":38},"Request only the scopes and permissions you need. Avoid full admin access when read-only works. How to configure API scopes",[23,66,68,71,74,78],{"title":67,"count":50},"Request Security",[27,69],{"description":70,"label":34},"Never send credentials or data over unencrypted connections. Verify SSL certificates. How to verify SSL connections",[27,72],{"description":73,"label":46},"Check response structure and types. External APIs can return unexpected data or be compromised. How to validate API responses",[27,75],{"description":76,"label":77},"Set reasonable timeouts. Hanging connections can exhaust resources and block your application. How to configure timeouts","Implement request timeouts",[27,79],{"description":80,"label":42},"Keep API keys off the client. Your backend can add rate limiting, caching, and monitoring. How to proxy API requests",[23,82,85,89,93],{"title":83,"count":84},"Error Handling","3",[27,86],{"description":87,"label":88},"Transient failures happen. Retry with exponential backoff before failing permanently. How to implement retry logic","Implement retry with backoff",[27,90],{"description":91,"label":92},"When APIs fail, what happens? Have fallbacks so your app remains usable without third-party services. How to handle API failures","Build graceful degradation",[27,94],{"description":95,"label":96},"Log detailed errors server-side. Show generic messages to users without leaking internal details. How to handle error messages","Do not expose API errors to users",[23,98,100,104,108],{"title":99,"count":84},"Monitoring and Maintenance",[27,101],{"description":102,"label":103},"Track success rates, latency, and error types. Detect issues before they impact users. How to monitor API usage","Monitor API usage and errors",[27,105],{"description":106,"label":107},"Know when third-party services have outages. Most providers offer status page subscriptions. How to monitor third-party status","Subscribe to provider status pages",[27,109],{"description":110,"label":111},"Check that API providers have adequate security. They have access to your data through the integration. How to evaluate vendor security","Review vendor security practices",[113,114,116],"h2",{"id":115},"you-inherit-their-risks","You Inherit Their Risks",[13,118,119],{},"Every third-party API you integrate becomes part of your attack surface. If they get compromised, your users' data could be at risk. If they go down, your app might break. If they change their API, your integration could fail.",[13,121,122],{},"Treat third-party integrations as untrusted. Validate everything they return, handle their failures gracefully, and have a plan for when they let you down.",[124,125,126,133,139],"faq-section",{},[127,128,130],"faq-item",{"question":129},"How often should I rotate API keys?",[13,131,132],{},"Rotate API keys at least annually, or immediately if you suspect compromise. Some services support automatic rotation. Build key rotation into your processes before keys expire or get compromised.",[127,134,136],{"question":135},"Should I proxy third-party APIs through my backend?",[13,137,138],{},"Yes, when possible. Proxying through your backend keeps API keys off the client, lets you add rate limiting and caching, and gives you control if the third-party API changes. The main trade-off is added latency.",[127,140,142],{"question":141},"What if a third-party API requires client-side access?",[13,143,144],{},"Use keys with restricted permissions when client-side access is required. Accept that these keys can be extracted. Monitor for abuse and rate limit requests. Consider if there is a server-side alternative.",[146,147,148,154,159],"related-articles",{},[149,150],"related-card",{"description":151,"href":152,"title":153},"Secure your own APIs","/blog/checklists/api-security-checklist","API Security Checklist",[149,155],{"description":156,"href":157,"title":158},"Manage secrets properly","/blog/checklists/environment-variables-checklist","Environment Variables Checklist",[149,160],{"description":161,"href":162,"title":163},"Zero-downtime key rotation","/blog/how-to/rotate-api-keys","Rotate API Keys Safely",[165,166,169,173],"cta-box",{"href":167,"label":168},"/","Start Free Scan",[113,170,172],{"id":171},"scan-your-api-integrations","Scan Your API Integrations",[13,174,175],{},"Check for exposed API keys and insecure configurations.",{"title":177,"searchDepth":178,"depth":178,"links":179},"",2,[180,181],{"id":115,"depth":178,"text":116},{"id":171,"depth":178,"text":172},"checklists","2026-02-09","Security checklist for third-party API integrations. Securely connect to external services, handle credentials properly, and protect your app from API failures.",false,"md",[188,189],{"question":129,"answer":132},{"question":135,"answer":138},"green",null,{},true,"Security checklist for third-party API integrations and external services.","/blog/checklists/third-party-api-checklist","[object Object]","HowTo",{"title":5,"description":184},{"loc":195},"blog/checklists/third-party-api-checklist",[202],"Security Checklist","summary_large_image","T2f-Xc-75WagYe9wRPzF4W66ornuORAqlp0Fto89XNw",1775843930367]