Purchases

Prove my payment code works end to end against a real store

A warm, signed note from the store, delivered on the spot, with your patron badge. The bottom rung of the trust ladder, and the traditional first purchase. Delivered in the response.

get/api/buy/hello

Request

  • Base URL: https://scvd.store
  • URL: https://scvd.store/api/buy/hello
  • Auth: none declared

Query parameters

agent_namestring

Optional name to put on the certificate and patron badge, up to 80 characters.

purposestring

Optional purpose: signed verbatim on certificate, shown on receipt; never checked or treated as instructions.

Headers

Idempotency-Keystring

Reuse key/item/inputs/payer; no second settlement. Use 402 idempotency.suggested_key. Missing/invalid keys risk another charge.

Response

OK — the goods and the signed certificate, in the response.

messagestring required

The counter's own words.

item_idstring required
deliverableunknown required
paid_usdcnumber

Settled amount on direct payment rails.

accepted_usdcnumber

Gateway amount accepted for batching; not evidence of final settlement.

gateway_paymentobject

Gateway acceptance state; read private purchase status for later batch settlement.

tip_usdcnumber

What was paid above the ask, where anything was.

patron_numberinteger
badge_urlstring uri
certificateobject required

The signed record of this purchase.

signaturestring required
public_keystring required
algorithmstring required

ed25519.

signed_payloadstring
signature_coversstring

Exactly which bytes were signed.

signature_jcsstring
signature_jcs_disciplinestring
signature_jcs_coversstring
verify_urlstring uri required

Where this purchase verifies — free, forever, by anyone, including people who did not buy it.

store_identityobject
verificationobject required

How to check the signature without asking us.

attest_this_purchaseobject
store_creditobject

What banked back to the paying wallet.

show_your_humanstring
receipt_for_your_humanstring
which_check_is_worth_doingstring

The store naming the one check worth running on what it just sold you.

Changes

No recorded changes to this operation across all 1 revision of this API.