Service status ·A8 Core™ · The Operating System for Financial Accounts ·The account operating system · API-first

A8Core™

API reference v1

Account types

Stablecoin Accountreserved

GENIUS Act, Pub. L. 119-27. No final rules. Reserved; not enabled.

On this pageOverview Authority Parameters Example Rules

Slug	`stablecoin-account`
Nature	`ServicingRecord` — Recorded, not held. No assets and no obligation.
Contributions	`NotApplicable`
Earnings	`CurrentlyTaxable`
Contribution year	`NotApplicable`
Status	reserved
Legacy code	`STC` — ISCP import and statement templates only. Not identity, and not accepted by the API.

Required authority

An institution may open this account only if it satisfies every requirement group below. Within a group, any one authority suffices. Across groups, all must be satisfied.

Group	Any one of
Group 1	`PermittedPaymentStablecoinCustodian`

Resolve availability at runtime with GET https://api.a8core.io/v1/account-types. Never hard-code it.

Create Account parameters

POSThttps://api.a8core.io/v1/accountsoperation: CreateAccount

Name	Type		Description
ProviderReferenceId	string	optional	Your internal reference. Used as the idempotency key.
ClientId	Guid	required	The A8 Core™ Client ID that owns the account.
AccountTypeCode	string	required	Must be `stablecoin-account`.
ExternalPlanIdentifier	string	required	Identifier of the external plan being serviced. A8 Core™ holds no assets.

Example

POST https://api.a8core.io/v1/accounts

"ProviderReferenceId": "acct-10293",
"ClientId": "8fa2c1e4-5b6d-4f3a-9c2e-7d1a2b3c4d5e",
"AccountTypeCode": "stablecoin-account",
"ExternalPlanIdentifier": "CA-SCHOLARSHARE-529"

200 OK

"RequestId": 1736472901835,
"Status": 1,
"AccountId": "3c7b1f90-2a44-4e21-8d6c-9b0e5a1f7c22"

Errors

ErrorCode	Meaning
InstitutionNotAuthorizedForAccountType	The institution does not hold every authority this type requires.
ClientNotFound	No client matches the supplied ClientId.

Rules that govern this type

Reserved. Not enabled. The GENIUS Act restricts custody of payment-stablecoin reserves to supervised entities and bars commingling. Implementing rules are proposed, not final.
Custodying a customer’s stablecoins is a different activity, under a different provision, from custodying an issuer’s reserves.