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Glade API uses a simple unit-based billing model — one successful operation consumes one unit, regardless of interface (REST, GraphQL, or MCP) or whether the data came from a live provider or cache.

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What counts as a unit

Every successful operation deducts exactly one unit from your balance, no matter how many fields you request or which interface you use:
  • One successful REST call = 1 unit
  • One successful GraphQL operation = 1 unit
  • One successful MCP tool invocation = 1 unit
  • Cache hits = 1 unit (you receive the same product value, freshness is preserved)
  • Internal retries and provider fan-out = 0 additional units (Glade API absorbs these transparently)
You are never charged for errors. Validation errors, auth failures, rate limits, quota failures, provider errors, and timeouts all consume zero units.

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Plans

Glade API offers four plans. Hobby includes 100 units, Starter includes 2,000 units, and higher tiers include the quantities shown below. For current plan details, visit gladeapi.com/pricing.

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Estimating your usage

Your monthly unit consumption depends on the number of operations you run and the number of marketplaces you query. Example: If you fetch product details for 1,000 ASINs daily across 2 marketplaces, that is 2,000 units per day or approximately 60,000 units per month. A few reference points to help you plan:
  • The Pro 20K plan covers approximately 666 products per day if you fetch each ASIN from a single marketplace (20,000 units ÷ 30 days).
  • If you query the same ASIN across two marketplaces, that halves your daily ASIN budget to ~333 products per day on Pro 20K.
  • For workloads that mix product lookups, search queries, and offer checks, count each operation individually — they each consume one unit.

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Handling quota errors

When you exhaust your unit balance on a Hobby plan or any plan with a hard cap enabled, Glade API returns an HTTP 402 response. Your request is not fulfilled and no additional units are deducted.
To resolve a quota error:
  • Hobby plan: Upgrade to Starter to unlock per-unit overage billing and eliminate the hard cap.
  • Starter or Pro: Enable overage billing explicitly in the dashboard if you want requests to continue beyond included units. You can also set a monthly spend limit.
  • Enterprise: Contact your account manager to adjust your quota or enable a hard cap for cost control.