--- updatedAt: 2026-07-30T14:20:30.000Z --- Fetch the complete documentation index at: https://docs.skyfire.xyz/llms.txt. Use this file to discover all available pages before exploring further. # PAY Token The payment-related claims carried in `pay` and `kya-pay` tokens. The following payment-related claims are defined for `pay` and `kya-pay` tokens. | **Claim** | **Description** | | :-------- | :-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | `val` | JSON string representing token amount in settlement network's units. | | `amt` | JSON string representing token amount in currency units. | | `cur` | Currency unit, represented as an ISO 4217 three letter code, such as "EUR". | | `stp` | Settlement type (one of `coin`, `card`, `bank`). Additional values may be defined and used. | | `sti` | Meta information for payment settlement, depending on settlement type. | | `spr` | *OPTIONAL* - JSON string representing seller service price in currency units. | | `sps` | *OPTIONAL* - Seller pricing scheme, which represents a way for the seller list how it charges for its service or content. One of pay\_per\_use, subscription, pay\_per\_mb, or custom. Additional values may be defined and used. | | `mnr` | *OPTIONAL* - JSON number representing maximum number of requests when `sps` is `pay_per_use`. |
*** # Settlement Information (`sti`) Sub-Claims The **Agent Identity** (`sti`) claim is optional. If present, it contains the following sub-claims. | **Claim** | **Description** | | :----------------------- | :-------------------------------------------------------------------------------------------------------------------------------- | | `type` | Dependent on `stp`. For `coin` - `usdc`. For `card` - `visa_vic` or `mastercard_scof`. Additional values may be defined and used. | | `payment_token` | *OPTIONAL* - String containing Virtual Payment Card Number in ISO/IEC 7812 format. 12-19 characters. | | `token_expiration_month` | *OPTIONAL* - String containing two-digit Expiration Month Number. | | `token_expiration_year` | *OPTIONAL* - String containing four-digit Expiration Year. | | `token_security_code` | *OPTIONAL* - String containing 3 or 4 digit CVV code. | | `verifier` | *OPTIONAL* - URL of the Payment Verifier | | `verified` | *OPTIONAL* - Boolean Verification status. True if verified, otherwise false. | | `verification_id` | *OPTIONAL* - Verification identifier. Identifier for the verification performed, such as a GUID. | Additional sub-claims MAY be defined and used. The recipient MUST ignore any unrecognized sub-claims.