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To ensure system stability and support production-ready workflows, HS Ping enforces a unified rate limit of 1,000 lookups / minute across all tiers. This rate limit applies immediately to your account, including during your initial 100 trial lookup period.

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One-time Free Quota

All new accounts receive 100 trial lookups. This is a one-time, non-recurring credit applied immediately when you sign up — no credit card required. Once the 100 trial lookups are exhausted, requests will return an INSUFFICIENT_BALANCE error until you choose a subscription tier. You will not be charged until you pick a plan and add payment details.