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Core Concepts

Understanding these concepts will help you get the most out of ASG Agent Cloud.

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The Payment Flow

Every paid tool call follows this flow:

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Key Terms

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Quote

A Quote is a price commitment for a specific request. It includes:

• quote_id — Unique identifier
• amount_usdc_microusd — Price in micro-USD (1/1,000,000 of $1)
• expires_at — When the quote expires (typically 60 seconds)

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Receipt

A Receipt is proof of completed work. It includes:

• receipt_id — Unique identifier
• debited_usdc_microusd — Actual cost (may differ from quote)
• step_id — Reference to the execution step

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Run

A Run is a container for related work. Runs have:

• Budget — Maximum spend limit
• TTL — Time-to-live before auto-cancel
• Steps — Individual tool executions

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Step

A Step is a single tool execution within a Run. Each Step:

• Has its own budget
• Generates one Receipt
• Can be retried (max 1 retry)

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Budgets

Budgets protect against runaway costs: If a budget is exceeded, you’ll receive a BUDGET_EXCEEDED error.

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Idempotency

Every request can include an idempotency key. If you retry with the same key:

• Same result returned
• No duplicate charges
• Same receipt

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TTL (Time-to-Live)

Resources have TTLs:

• Quotes — 60 seconds default
• GPU Leases — Configurable, requires heartbeat
• Runs — Configurable per-run

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Next Steps