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Acceptable Use Policy

Last updated May 19, 2026

This Acceptable Use Policy (“AUP”) is incorporated into the Terms of Service and applies to anyone using the PublicOptions Service.

1. You may not

  • Use the Service to violate any law, regulation, or third-party right, including securities, market-data, export-control, sanctions, or intellectual-property laws.
  • Resell, sublicense, redistribute, or republish raw response data, or expose it through a public or competing API.
  • Use the data to construct a substitute or substantially similar product to the Service or to our upstream data provider.
  • Scrape, mirror, or bulk-export data outside the documented endpoints, or attempt to circumvent rate limits, quotas, billing, or authentication.
  • Share API keys across organizations, embed keys in client-side or end-user-distributed code, or otherwise expose them publicly.
  • Probe, scan, or test the Service for vulnerabilities except under a written agreement; attempt to gain unauthorized access; or interfere with other customers’ accounts.
  • Send requests designed to overload, degrade, or disrupt the Service or its infrastructure (DDoS, resource-exhaustion, or amplification traffic).
  • Use the Service to power high-frequency or low-latency trading systems that require sub-second guaranteed delivery (we are a historical-data API, not a market-data feed).
  • Use the Service to harass, defraud, defame, or harm any person, or to develop weapons, malware, or surveillance products.

2. Reasonable use

Your usage must reasonably correspond to your purchased plan’s quota and intended use case. We may contact you to discuss your traffic before throttling, but we reserve the right to suspend accounts that generate sustained load incompatible with their tier or that endanger the stability of the Service for other customers.

3. Security research & reporting

If you discover a vulnerability, please report it privately to [email protected]. We will not pursue legal action for good-faith research that does not access, modify, or destroy other customers’ data.

4. Enforcement

We may investigate suspected violations, suspend or terminate offending accounts without refund, and report violations to law enforcement where required. We will give notice before suspending an account where reasonable, except in cases of ongoing harm or legal compulsion.

5. Reporting violations

Report suspected abuse: [email protected].