Request receipt

Signature valide2e-saldo-zero 4706df

Signed by FullCup.ai. Anyone can check it, without trusting FullCup.ai.

Consumption

Total tokens

11 prompt · 10 completion

Cost

$0.000011

Model: @cf/meta/llama-4-scout-17b-16e-instruct
Executed at: 2026-10-10 01:33 UTC
Cup: e2e-saldo-zero 4706df

A receipt never contains the prompt, the completion, or any user content. Only consumption metadata.

Verify it yourself

The signing key is public, so the check does not depend on FullCup.ai.

How to verify

Technical details

Raw JSON for this receipt Signing key document

Work served: e2e-saldo-zero
Price source: Measured by the model host, per request
Public key: 1rRTdW+PHO4U5qlhbmFjnMsvcm1Cih8ZRy1uZjxj1eU=

# canonical field order
["id","cup_id","key_id","model","prompt_tokens","completion_tokens","total_tokens","cost_micro_usd","price_source","upstream_id","workload_tag","created_at"]

node -e '
const https=require("https"),c=require("crypto");
const get=u=>new Promise(r=>https.get(u,s=>{let d="";s.on("data",x=>d+=x);s.on("end",()=>r(JSON.parse(d)))}));
(async()=>{
  const rec=await get("https://api.fullcup.ai/api/receipts/01M4HQ32EKPWGKQ3P7HGK1ZMW2");
  const wk=await get("https://api.fullcup.ai/.well-known/fullcup-signing-key");
  const ORDER=["id","cup_id","key_id","model","prompt_tokens","completion_tokens","total_tokens","cost_micro_usd","price_source","upstream_id","workload_tag","created_at"];
  const spki=Buffer.concat([Buffer.from("302a300506032b6570032100","hex"),Buffer.from(wk.public_key,"base64")]);
  const pub=c.createPublicKey({key:spki,format:"der",type:"spki"});
  console.log(c.verify(null,Buffer.from(JSON.stringify(rec.receipt,ORDER)),pub,Buffer.from(rec.signature,"base64")));
})()'

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