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Stack Facts LLM Model Pricing Snapshot
x402
Stack Facts LLM Model Pricing Snapshot is a paid API for AI agents from g5joilnmeep4ntz3nwezxt5dmu.srv.us, paid per call via x402, $0.05/call, status unknown (last checked 2026-10-13).
Returns a cryptographically signed snapshot of current LLM model pricing data including input/output token costs, context windows, capabilities, and metadata for dozens of AI models.
Price / call$0.05
Success—
StatusUnknown
How this service works
Check a package before install: malware, known vulnerabilities (OSV), exploited CVEs (CISA KEV) and end-of-life, plus LLM prices; signed answers, pay per call in USDC, no account or API key.
Output
A signed JSON payload containing: an array of LLM model records (id, provider, name, input/output USD per million tokens, cache pricing, context window, max output tokens, vision/tool_call/reasoning flags, release and deprecation dates, knowledge cutoff, input/output modalities); a manifest with snapshot ID, SHA256 hash, cryptographic signature, key ID, source URL, fetch timestamp, record count, and upstream ETags; metadata including staleness flag, dataset name, licence (MIT/LiteLLM attribution), and a manifest URL for independent verification.
Example use cases
Compare LLM costs before switching providers
“Pull the latest verified LLM pricing snapshot and show me a comparison of input and output token costs for GPT-4o, Claude, and Gemini — I want to know which is cheapest for a high-volume chat app.”
Verify model capabilities for agent tool selection
“Fetch the current model pricing data and tell me which models support both tool calling and vision, along with their per-token prices, so I can pick the right one for my multimodal agent.”
Audit LLM spend with cryptographically signed data
“Get me a signed, verifiable snapshot of current AI model prices including the SHA256 hash and signature — I need tamper-evident pricing data for our cost audit report.”
Technical details
Endpoint
GEThttps://g5joilnmeep4ntz3nwezxt5dmu.srv.us/v1/models/snapshot?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need cryptographically signed, tamper-evident LLM pricing data that can be verified independently, without maintaining an API key or account. Prefer it over scraping LiteLLM directly when you need signed provenance, or when operating in a pay-per-call agent context using USDC micropayments via x402. Ideal for cost-auditing pipelines, agent frameworks selecting models by price, or any workflow requiring verifiable pricing at the time of query.
Side effects
- Payment not received — returns HTTP 402 requiring USDC payment via x402 protocol
- Network timeout if upstream data source is unavailable
- Stale snapshot flag set to true if data has not been refreshed recently
- Signature verification failure if manifest SHA256 does not match payload
- Empty or reduced record_count if upstream LiteLLM or models.dev source is unavailable
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| properties | string |
Output
Schema · Response
{
"type": "json",
"example": {
"data": {
"verify": "sha256 of the canonical JSON (R…",
"licence": {
"spdx": "MIT",
"text": "LiteLLM (https://raw.githubuser…",
"source": "https://raw.githubusercontent.c…",
"sources": [
"LiteLLM"
],
"attribution": "Pricing data derived from LiteL…"
},
"manifest": {
"key_id": "sf-test-1",
"sha256": "f99d55c9aa420561de698d63d70d916…",
"dataset": "models",
"licence": "MIT",
"version": 1,
"signature": "AvlI5FXM8fD9oncZAr9velQseOBO9X7…",
"fetched_at": "2026-10-09T06:00:00Z",
"source_url": "https://raw.githubusercontent.c…",
"attribution": "Pricing data derived from LiteL…",
"snapshot_id": "models-20261009T060000Z-f99d55c9",
"record_count": 36,
"upstream_etag": {},
"upstream_meta": {},
"prev_snapshot_id": "models-20261009T050000Z-044bcb8b"
},
"snapshot": {
"dataset": "models",
"records": [
{}
],
"version": 1
}
},
"meta": {
"as_of": "2026-10-09T06:00:00Z",
"stale": false,
"key_id": "sf-test-1",
"notice": "Normalised (modified) from the …",
"sha256": "f99d55c9aa420561de698d63d70d916…",
"source": "https://raw.githubusercontent.c…",
"dataset": "models",
"licence": "MIT",
"signature": "AvlI5FXM8fD9oncZAr9velQseOBO9X7…",
"attribution": "Pricing data derived from LiteL…",
"snapshot_id": "models-20261009T060000Z-f99d55c9",
"manifest_url": "/v1/models/manifest",
"retrieved_at": "2026-10-09T06:00:00.000Z"
}
}
}Tags
x402
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