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API Developer Experience: Endpoints, Errors & Auth

Measures developer satisfaction with API endpoint clarity, error diagnostics, and authentication workflows to identify friction points and inform API roadmap priorities.

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Sample questions

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27 questions · ~12 min
Q01
Message

Welcome to the API Developer Experience Survey. This survey asks about your recent experience with our API — specifically around endpoint clarity, error handling, and authentication. Your responses will help us identify pain points and prioritize improvements. • Estimated time: 12 minutes • Your responses are confidential and will be reported in aggregate only • There are no right or wrong answers — we want your honest experience • Participation is voluntary and you may stop at any time Please proceed to begin.

Q02
Dropdown

In the past 30 days, how often did you interact with our API?

  • Daily
  • Several times a week
  • Weekly
  • Once or twice
  • Not in the past 30 days
Q03
Opinion Scale

How clear is the URL structure and naming of our API endpoints?

Scale: 1 – 7
Min:Very unclearMax:Very clear
Q04
Dropdown

In the past 30 days, approximately how often did you encounter an API error response?

  • Never
  • Rarely (1–2 times)
  • Sometimes (3–5 times)
  • Often (6 or more times)
  • Not sure
Q05
Multiple Choice

Which authentication methods did you use or configure in the past 30 days? Select all that apply.

  • API key
  • OAuth 2.0 — Client Credentials
  • OAuth 2.0 — Authorization Code
  • JWT / Service account
  • HMAC or request signing
  • No auth changes in the past 30 days
  • Not sure
Q06
Opinion Scale

Overall, how would you rate the clarity of our API (documentation, endpoints, and error messages combined)?

Scale: 1 – 7
Min:Very unclearMax:Very clear
Q07
AI Interview

Based on your responses in this survey, please share any additional thoughts or suggestions about your API experience.

Q08
Dropdown

Which of the following best describes your primary role?

  • Backend engineer
  • Frontend engineer
  • Full-stack developer
  • DevOps / SRE
  • Data engineer
  • Product manager
  • QA / Tester
  • Student
  • Other
Q09
Message

Thank you for your time. Your feedback directly helps us improve the API experience for all developers.

Q10
Multiple Choice

Which of the following activities did you perform with the API in the past 30 days? Select all that apply.

  • Reading/fetching data
  • Creating or updating records
  • Managing authentication/authorization
  • Configuring webhooks/callbacks
  • Bulk or asynchronous jobs
  • Building or maintaining integrations/SDKs
  • Testing or troubleshooting
  • Other
Q11
Opinion Scale

How clear are the required and optional request parameters (headers, query params, body)?

Scale: 1 – 7
Min:Very unclearMax:Very clear
Q12
Multiple Choice

Which of the following error types did you encounter? Select all that apply.

  • Validation errors (4xx)
  • Authentication failures (401)
  • Permission/scope issues (403)
  • Resource not found (404)
  • Rate limiting (429)
  • Timeouts or network errors
  • Server errors (5xx)
  • Deprecation or version errors
  • Other
Q13
Opinion Scale

How easy or difficult was it to generate or rotate API keys or credentials?

Scale: 1 – 7
Min:Very difficultMax:Very easy
Q14
Opinion Scale

How likely are you to recommend our API to a fellow developer?

Scale: 1 – 7
Min:Very unlikelyMax:Very likely
Q15
Dropdown

How long have you been working with web APIs?

  • Less than 1 year
  • 1–2 years
  • 3–5 years
  • 6–9 years
  • 10+ years
Q16
Opinion Scale

How clear are the response formats and field definitions returned by our endpoints?

Scale: 1 – 7
Min:Very unclearMax:Very clear
Q17
Opinion Scale

How helpful were the API error messages in diagnosing and resolving issues?

Scale: 1 – 7
Min:Not at all helpfulMax:Extremely helpful
Q18
Opinion Scale

How easy or difficult was it to set up an OAuth flow (authorization code or client credentials)?

Scale: 1 – 7
Min:Very difficultMax:Very easy
Q19
Ranking

Rank the following areas by how much improvement would benefit your workflow (drag the highest-impact area to the top).

  1. Endpoint clarity
  2. Error message quality
  3. Authentication flows
  4. API documentation
  5. SDKs & developer tools
Drag to rank
Q20
Dropdown

What is the approximate size of your organization?

  • 1–10
  • 11–50
  • 51–200
  • 201–1,000
  • 1,001–5,000
  • 5,001+
Q21
Opinion Scale

How clear is the pagination behavior (cursors, offsets, page limits) across endpoints?

Scale: 1 – 7
Min:Very unclearMax:Very clear
Q22
Long Text

If you recall a particularly unhelpful error message, please paste it or summarize it briefly.

Q23
Opinion Scale

How easy or difficult was it to manage token refresh or session handling?

Scale: 1 – 7
Min:Very difficultMax:Very easy
Q24
Multiple Choice

Which programming languages or platforms do you primarily use with our API? Select all that apply.

  • JavaScript / TypeScript
  • Python
  • Java
  • Go
  • Ruby
  • C# / .NET
  • PHP
  • Other
Q25
Long Text

Name one endpoint or area of the API that felt unclear and briefly explain why.

Q26
Long Text

Describe any authentication blockers or confusing steps you encountered.

Q27
Dropdown

In which region are you primarily located?

  • North America
  • Europe
  • Asia
  • Latin America
  • Middle East
  • Africa
  • Oceania
  • Prefer not to say

What’s included

  • AI follow-ups

    Adaptive probes on open-ended answers that pull out detail a static form would miss.

  • Attention checks

    Built-in safeguards against rushed answers and low-quality respondents.

  • AI-drafted copy

    Wording, ordering, and branching written by the AI — tuned to your research goal.

  • Auto report

    Themes, quotes, and a plain-English summary write themselves once responses come in.

Why this template

What this template is built to do — we found no directly comparable template from other survey tools to review.

What sets it apart

  • Includes four dedicated opinion-scale questions plus an open-text follow-up isolating endpoint, parameter, response, and pagination clarity rather than lumping 'API quality' into one vague score
  • Separates error-handling friction from auth friction with distinct question blocks (error frequency, error types, error-message helpfulness, a paste-in field for actual unhelpful error text, then a parallel set for API keys, OAuth setup, and token refresh)
  • Closes with an AI follow-up interview question that adaptively probes on whatever the respondent actually reported, plus a drag-and-drop ranking of improvement priorities to directly inform roadmap decisions
  • Captures role, API experience tenure, org size, languages/platforms, and region as segmentation variables so friction points can be sliced by developer profile

Ready to launch?

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