The Core API enables businesses to manage their own Grapes or non-custodial wallets across Ethereum, Algorand, and Stellar blockchains. Supports stablecoin swaps (USDC/QCAD), fiat onramps from Canadian banks, and third-party payouts.
openapi: 3.1.0
info:
title: Grapes Finance API
description: >-
Grapes is an embedded stablecoin onramp and offramp solution that enables
businesses and developers to integrate fiat-to-stablecoin and
stablecoin-to-fiat transactions. Supports buying and selling stablecoins
such as USDC and QCAD with CAD and USD across Ethereum, Algorand, and
Stellar networks.
version: 1.0.0
contact:
name: Grapes Finance Support
url: https://docs.grapesfinance.com/api-user-guide/
externalDocs:
description: Grapes Finance API User Guide
url: https://docs.grapesfinance.com/api-user-guide/
servers:
- url: https://api.demo.grapesfinance.com
description: Grapes Demo / Sandbox API
security:
- ApiKeyAuth: []
tags:
- name: Users
description: Account management for users controlling Grapes wallets
- name: KYC
description: Identity verification for individuals and businesses
- name: Wallets
description: Custodial and non-custodial cryptocurrency wallet operations
- name: Orders
description: Fiat-to-stablecoin, stablecoin-to-fiat, and payout orders
- name: Contacts
description: Beneficiary management for third-party payouts
- name: Organizations
description: Vineyard Manager API for embedded client management
paths:
/users:
get:
tags: [Users]
summary: List users
description: Retrieve a list of users associated with the authenticated account.
responses:
'200':
description: A list of users
content:
application/json:
schema:
type: array
items:
$ref: '#/components/schemas/User'
post:
tags: [Users]
summary: Create user
description: Create a new user account with Grapes wallet control.
requestBody:
required: true
content:
application/json:
schema:
$ref: '#/components/schemas/User'
responses:
'201':
description: User created
content:
application/json:
schema:
$ref: '#/components/schemas/User'
/users/{userId}:
get:
tags: [Users]
summary: Get user
parameters:
- name: userId
in: path
required: true
schema: { type: string }
responses:
'200':
description: A user
content:
application/json:
schema:
$ref: '#/components/schemas/User'
/kyc:
post:
tags: [KYC]
summary: Submit KYC application
description: Submit Know Your Customer or Know Your Business verification.
requestBody:
required: true
content:
application/json:
schema:
$ref: '#/components/schemas/KycApplication'
responses:
'201':
description: KYC application submitted
content:
application/json:
schema:
$ref: '#/components/schemas/KycApplication'
/wallets:
get:
tags: [Wallets]
summary: List wallets
responses:
'200':
description: A list of wallets
content:
application/json:
schema:
type: array
items:
$ref: '#/components/schemas/Wallet'
post:
tags: [Wallets]
summary: Create wallet
description: Create a custodial or non-custodial wallet on Ethereum, Algorand, or Stellar.
requestBody:
required: true
content:
application/json:
schema:
$ref: '#/components/schemas/Wallet'
responses:
'201':
description: Wallet created
content:
application/json:
schema:
$ref: '#/components/schemas/Wallet'
/orders:
get:
tags: [Orders]
summary: List orders
responses:
'200':
description: A list of orders
content:
application/json:
schema:
type: array
items:
$ref: '#/components/schemas/Order'
post:
tags: [Orders]
summary: Create order
description: Create a fiat-to-stablecoin onramp, stablecoin-to-fiat offramp, or payout order.
requestBody:
required: true
content:
application/json:
schema:
$ref: '#/components/schemas/Order'
responses:
'201':
description: Order created
content:
application/json:
schema:
$ref: '#/components/schemas/Order'
/contacts:
get:
tags: [Contacts]
summary: List contacts
responses:
'200':
description: A list of beneficiary contacts
content:
application/json:
schema:
type: array
items:
$ref: '#/components/schemas/Contact'
post:
tags: [Contacts]
summary: Create contact
requestBody:
required: true
content:
application/json:
schema:
$ref: '#/components/schemas/Contact'
responses:
'201':
description: Contact created
/organizations:
get:
tags: [Organizations]
summary: List organizations
responses:
'200':
description: A list of organizations
content:
application/json:
schema:
type: array
items:
$ref: '#/components/schemas/Organization'
post:
tags: [Organizations]
summary: Create organization
requestBody:
required: true
content:
application/json:
schema:
$ref: '#/components/schemas/Organization'
responses:
'201':
description: Organization created
components:
securitySchemes:
ApiKeyAuth:
type: apiKey
in: header
name: X-API-Key
schemas:
User:
type: object
properties:
id: { type: string }
email: { type: string, format: email }
firstName: { type: string }
lastName: { type: string }
status:
type: string
enum: [pending, active, suspended]
createdAt: { type: string, format: date-time }
KycApplication:
type: object
properties:
id: { type: string }
userId: { type: string }
type:
type: string
enum: [individual, business]
status:
type: string
enum: [pending, approved, rejected]
documents:
type: array
items:
type: object
properties:
type: { type: string }
url: { type: string }
Wallet:
type: object
properties:
id: { type: string }
userId: { type: string }
custody:
type: string
enum: [custodial, non-custodial]
chain:
type: string
enum: [ethereum, algorand, stellar]
address: { type: string }
balances:
type: array
items:
type: object
properties:
asset:
type: string
enum: [USDC, QCAD, CAD, USD]
amount: { type: string }
Order:
type: object
properties:
id: { type: string }
type:
type: string
enum: [onramp, offramp, payout, swap]
sourceAsset:
type: string
enum: [USDC, QCAD, CAD, USD]
destinationAsset:
type: string
enum: [USDC, QCAD, CAD, USD]
amount: { type: string }
status:
type: string
enum: [pending, processing, settled, failed]
createdAt: { type: string, format: date-time }
Contact:
type: object
properties:
id: { type: string }
name: { type: string }
email: { type: string, format: email }
walletAddress: { type: string }
bankAccount:
type: object
properties:
institution: { type: string }
accountNumber: { type: string }
transit: { type: string }
Organization:
type: object
properties:
id: { type: string }
name: { type: string }
members:
type: array
items:
type: string
createdAt: { type: string, format: date-time }