tZERO Custody Assets API
Supported assets, address validation, and fee estimation (live)
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OpenAPI Specification
openapi: 3.2.0
info:
title: tZERO Institutional API Documents Custody Assets API
description: '## Overview
The **tZERO Institutional API** — programmatic access to transfer-agent, tokenization, and custody operations for institutional issuers and partners.'
version: 1.1.0
contact:
name: T0kenizer API Support
email: api@t0direct.com
servers:
- url: https://api.t0direct.com
description: Production
security:
- ApiKeyAuth: []
tags:
- name: Custody Assets
description: Supported assets, address validation, and fee estimation (live)
paths:
/api/v1/custody/supported-assets:
get:
summary: List supported assets
tags:
- Custody Assets
description: Lists the assets supported by the custody provider. Returns 503 if custody is not configured in this environment.
responses:
'200':
description: Default Response
content:
application/json:
schema:
type: object
properties:
data:
type: array
items:
type: object
additionalProperties: true
'401':
description: Default Response
content:
application/json:
schema:
$ref: '#/components/schemas/def-1'
'403':
description: Default Response
content:
application/json:
schema:
$ref: '#/components/schemas/def-1'
'503':
description: Default Response
content:
application/json:
schema:
$ref: '#/components/schemas/def-1'
operationId: getApiV1CustodySupportedAssets
x-operation-id-source: derived
/api/v1/custody/validate-address:
post:
summary: Validate an address
tags:
- Custody Assets
description: Validates a blockchain address for the given asset via the custody provider. Read-only despite the POST verb. Returns 503 if custody is not configured.
requestBody:
required: true
content:
application/json:
schema:
type: object
required:
- assetId
- address
properties:
assetId:
type: string
description: Custody asset id (e.g. ETH_TEST5)
address:
type: string
responses:
'200':
description: Default Response
content:
application/json:
schema:
type: object
properties:
data:
type: object
additionalProperties: true
'400':
description: Default Response
content:
application/json:
schema:
$ref: '#/components/schemas/def-1'
'401':
description: Default Response
content:
application/json:
schema:
$ref: '#/components/schemas/def-1'
'403':
description: Default Response
content:
application/json:
schema:
$ref: '#/components/schemas/def-1'
'503':
description: Default Response
content:
application/json:
schema:
$ref: '#/components/schemas/def-1'
operationId: postApiV1CustodyValidateAddress
x-operation-id-source: derived
/api/v1/custody/estimate-fee/{assetId}:
get:
summary: Estimate network fee
tags:
- Custody Assets
description: Estimates the network fee for an asset via the custody provider. Returns 503 if custody is not configured.
parameters:
- schema:
type: string
in: path
name: assetId
required: true
description: Custody asset id
responses:
'200':
description: Default Response
content:
application/json:
schema:
type: object
properties:
data:
type: object
additionalProperties: true
'401':
description: Default Response
content:
application/json:
schema:
$ref: '#/components/schemas/def-1'
'403':
description: Default Response
content:
application/json:
schema:
$ref: '#/components/schemas/def-1'
'503':
description: Default Response
content:
application/json:
schema:
$ref: '#/components/schemas/def-1'
operationId: getApiV1CustodyEstimateFeeByAssetId
x-operation-id-source: derived
components:
schemas:
def-1:
type: object
properties:
success:
type: boolean
example: false
error:
type: object
properties:
code:
type: string
example: T0K-V1-INV-001
message:
type: string
example: Investor not found
title: ErrorResponse
securitySchemes:
ApiKeyAuth:
type: apiKey
in: header
name: X-API-Key
description: API key generated at app.t0kenizer.com/ta/api-keys