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GPT-5.5 sub2api Balance Ledger Simulator
x402
GPT-5.5 sub2api Balance Ledger Simulator is a paid API for AI agents from gpt55.558686.xyz, paid per call via x402, $0.1/call, status unknown (last checked 2026-09-14).
Calculates GPT-5.5 API usage cost using sub2api pricing and applies the debit to a prepaid balance ledger, returning debit amount, remaining balance, low-balance policy, and idempotency key.
Price / call$0.1
Success—
StatusUnknown
How this service works
GPT-5.6 Luna API Base USDC and OpenAI-compatible x402 chat: one request for $0.00293, paid by browser wallet or a quote-first agent fallback.
Output
Returns the computed cost debit in USD, the balance remaining after deduction, the low-balance policy status, an idempotency key for the request, and a complete exportable JSON record suitable for wallet or API-credit accounting systems.
Example use cases
Example prompt
“Simulate a sub2api GPT-5.5 billing debit for a default-tier request using model 'gpt-5.5', 1200 input tokens, 800 output tokens, 400 cache read tokens, and a current balance of $5.00, with a low-balance threshold of $1.00 — give me the debit, remaining balance, and an exportable ledger JSON.”
Technical details
Endpoint
POSThttps://gpt55.558686.xyz/v1/tools/sub2api-balance-ledger-simulatorWhen to prefer
Use this endpoint when you need to simulate or record GPT-5.5 usage billing against a prepaid credit balance using sub2api's official pricing model, especially when building wallet systems, API credit dashboards, or billing reconciliation tools that need idempotent, exportable ledger entries.
Side effects
- Insufficient or negative balance may trigger low-balance policy flags but not necessarily an error
- Invalid model ID returns a pricing lookup failure or default rate fallback
- Malformed token counts (negative integers) fail schema validation
- Missing required fields like balanceUsd or token counts result in 400 bad request
- Rate multiplier of 0 may produce a zero-cost debit that bypasses low-balance logic
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| tier | string | |
| model | string | |
| modelId | string | |
| model_id | string | |
| requestId | string | |
| balanceUsd | number | |
| request_id | string | |
| balance_usd | number | |
| serviceTier | string | |
| input_tokens | integer | |
| promptTokens | integer | |
| service_tier | string | |
| contextTokens | integer | |
| output_tokens | integer | |
| prompt_tokens | integer | |
| context_tokens | integer | |
| rateMultiplier | number | |
| cacheReadTokens | integer | |
| rate_multiplier | number | |
| completionTokens | integer | |
| cache_read_tokens | integer | |
| completion_tokens | integer | |
| currentBalanceUsd | number | |
| imageOutputTokens | integer | |
| minimumBalanceUsd | number | |
| cacheCreationTokens | integer | |
| cached_input_tokens | integer | |
| current_balance_usd | number | |
| image_output_tokens | integer | |
| minimum_balance_usd | number | |
| cache_creation_tokens | integer | |
| lowBalanceThresholdUsd | number | |
| low_balance_threshold_usd | number |
Output
Schema · Response
{
"type": "json",
"example": {
"ok": true,
"tool": "sub2apiBalanceLedgerSimulator",
"summary": "Generated text."
}
}Tags
x402
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