> ## Documentation Index
> Fetch the complete documentation index at: https://docs.tender.cash/llms.txt
> Use this file to discover all available pages before exploring further.
# Fetch Chain Currencies
> Retrieve currencies supported on a specific blockchain
**Auth method: Basic (Access ID)** — this endpoint only requires your
`x-access-id` header. No request signing is needed. See
[Authentication](/api-reference/authentication#basic-access-id-authentication).
## Path Parameters
Chain identifier
**Example:** `"avalanche"`
## Headers
Your API access ID provided by Tender
**Example:** `"your-access-id-here"`
## Response
Status of the API request
**Example:** `"success"`
Human-readable message describing the result
**Example:** `"success"`
Array of currencies supported on the specified chain
Unique identifier for the currency
**Example:** `"avalanche"`
Display name of the currency
**Example:** `"Avax"`
URL to the currency's icon image
**Example:** `"https://tender-store.s3.amazonaws.com/icons/avax.png"`
Currency symbol
**Example:** `"AVAX"`
Current status of the currency
**Example:** `"active"`
Whether this is a smart contract token
**Example:** `false`
Array of chain identifiers where this currency is available
**Example:** `["avalanche"]`
Price identifier for market data
**Example:** `"avalanche-2"`
Fee configuration per chain (chain id to fee string)
**Example:** `{ "avalanche": "5" }`
Smart contract addresses per chain when isContract is true (chain id to address)
**Example:** `{ "avalanche": "0x5425890298aed601595a70AB815c96711a31Bc65", "ethereum": "0x1c7D4B196Cb0C7B01d743Fbc6116a902379C7238" }`
## Example response
```json theme={null}
{
"status": "success",
"message": "success",
"data": [
{
"id": "avalanche",
"name": "Avax",
"icon": "https://tender-store.s3.amazonaws.com/icons/avax.png",
"symbol": "AVAX",
"status": "active",
"isContract": false,
"chains": ["avalanche"],
"priceTag": "avalanche-2",
"fee": { "avalanche": "5" }
},
{
"id": "usdc",
"name": "USDC",
"icon": "https://tender-store.s3.amazonaws.com/icons/usdc.png",
"symbol": "USDC",
"status": "active",
"isContract": true,
"chains": ["avalanche", "ethereum", "optimism", "aurora", "near", "polygon", "solana", "base", "beam", "stellar", "tron", "8453"],
"priceTag": "usd-coin",
"fee": { "ethereum": "25", "optimism": "3", "avalanche": "3", "polygon": "3", "solana": "3", "stellar": "3", "base": "5", "beam": "5", "tron": "3" },
"contractAddress": {
"avalanche": "0x5425890298aed601595a70AB815c96711a31Bc65",
"ethereum": "0x1c7D4B196Cb0C7B01d743Fbc6116a902379C7238",
"optimism": "0xA6d3287496f7d3f1F20521141161448D15393b67",
"polygon": "0x2791Bca1f2de4661ED88A30C99A7a9449Aa84174",
"solana": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"stellar": "GBBD47IF6LWK7P7MDEVSCWR7DPUWV3NY3DTQEVFL4NAT4AQH3ZLLFLA5",
"tron": "TEkxiTehnzSmSe2XqrBj4w32RUN966rdz8",
"base": "0x53D85F1925fCE8BB93732ed969800Df0b062258A"
}
},
{
"id": "usdt",
"name": "USDT",
"icon": "https://tender-store.s3.amazonaws.com/icons/usdt.png",
"symbol": "USDT",
"status": "active",
"isContract": true,
"chains": ["avalanche", "ethereum", "optimism", "aurora", "near", "polygon", "solana", "tron", "pego"],
"priceTag": "tether",
"fee": { "ethereum": "25", "optimism": "3", "avalanche": "3", "polygon": "3", "solana": "3", "tron": "3", "pego": "3" },
"contractAddress": {
"avalanche": "0xa1Ef10416440A13D555B9Dc78F81153D13340588",
"ethereum": "0xFcF3950CFB1aCA9a7733839967126799A4D10fdF",
"optimism": "0x94b008aA00579c1307B0EF2c499aD98a8ce58e58",
"polygon": "0xc2132D05D31c914a87C6611C10748AEb04B58e8F",
"solana": "Es9vMFrzaCERmJfrF4H2FYD4KCoNkY11McCe8BenwNYB",
"tron": "TR7NHqjeKQxGTCi8q8ZY4pL8otSzgjLj6t",
"pego": "0x02F9Bebf5E54968D8Cc2562356C91ECDE135801B"
}
}
]
}
```
## OpenAPI
````yaml GET /v1/api/system/chains/{id}/currency
openapi: 3.1.0
info:
title: Tender API
description: Tender Developer API for cryptocurrency payments and agent management
version: 1.0.0
contact:
name: Tender Support
url: https://tender.cash
servers:
- url: https://secureapi.tender.cash
description: Production Server
- url: https://sandbox-api.tender.cash
description: Sandbox Server
security:
- SignedAuth: []
tags:
- name: Agents
description: Manage agents and sub-businesses
- name: Transactions
description: Payment and transaction operations
- name: System
description: System information and configuration
- name: Webhooks
description: Webhook management and logs
- name: On-ramp
description: Fiat-to-crypto on-ramp operations
- name: Payouts
description: Send crypto from merchant balance to a wallet address or payout account
- name: Subwallets
description: Provision and manage crypto wallet infrastructure for your end-users
paths:
/v1/api/system/chains/{id}/currency:
get:
tags:
- System
summary: Fetch Chain Currencies
description: Get currencies available for a specific blockchain
operationId: getChainCurrencies
parameters:
- name: id
in: path
required: true
description: Chain ID (e.g., avalanche, ethereum)
schema:
type: string
- name: x-access-id
in: header
required: true
description: Your API access ID provided by Tender
schema:
type: string
example: your-access-id-here
responses:
'200':
description: Currencies retrieved successfully
content:
application/json:
schema:
$ref: '#/components/schemas/CurrenciesResponse'
example:
status: success
message: success
data:
- id: avalanche
name: Avax
icon: https://tender-store.s3.amazonaws.com/icons/avax.png
symbol: AVAX
status: active
isContract: false
chains:
- avalanche
priceTag: avalanche-2
fee:
avalanche: '5'
- id: usdc
name: USDC
icon: https://tender-store.s3.amazonaws.com/icons/usdc.png
symbol: USDC
status: active
isContract: true
chains:
- avalanche
- ethereum
- optimism
- aurora
- near
- polygon
- solana
- base
- beam
- stellar
- tron
- '8453'
priceTag: usd-coin
fee:
ethereum: '25'
optimism: '3'
avalanche: '3'
polygon: '3'
solana: '3'
stellar: '3'
base: '5'
beam: '5'
tron: '3'
contractAddress:
avalanche: '0x5425890298aed601595a70AB815c96711a31Bc65'
ethereum: '0x1c7D4B196Cb0C7B01d743Fbc6116a902379C7238'
optimism: '0xA6d3287496f7d3f1F20521141161448D15393b67'
polygon: '0x2791Bca1f2de4661ED88A30C99A7a9449Aa84174'
solana: EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v
stellar: GBBD47IF6LWK7P7MDEVSCWR7DPUWV3NY3DTQEVFL4NAT4AQH3ZLLFLA5
tron: TEkxiTehnzSmSe2XqrBj4w32RUN966rdz8
base: '0x53D85F1925fCE8BB93732ed969800Df0b062258A'
- id: usdt
name: USDT
icon: https://tender-store.s3.amazonaws.com/icons/usdt.png
symbol: USDT
status: active
isContract: true
chains:
- avalanche
- ethereum
- optimism
- aurora
- near
- polygon
- solana
- tron
- pego
priceTag: tether
fee:
ethereum: '25'
optimism: '3'
avalanche: '3'
polygon: '3'
solana: '3'
tron: '3'
pego: '3'
contractAddress:
avalanche: '0xa1Ef10416440A13D555B9Dc78F81153D13340588'
ethereum: '0xFcF3950CFB1aCA9a7733839967126799A4D10fdF'
optimism: '0x94b008aA00579c1307B0EF2c499aD98a8ce58e58'
polygon: '0xc2132D05D31c914a87C6611C10748AEb04B58e8F'
solana: Es9vMFrzaCERmJfrF4H2FYD4KCoNkY11McCe8BenwNYB
tron: TR7NHqjeKQxGTCi8q8ZY4pL8otSzgjLj6t
pego: '0x02F9Bebf5E54968D8Cc2562356C91ECDE135801B'
security:
- AccessIdAuth: []
components:
schemas:
CurrenciesResponse:
type: object
properties:
status:
type: string
message:
type: string
data:
type: array
items:
$ref: '#/components/schemas/Currency'
Currency:
type: object
properties:
id:
type: string
description: Unique identifier for the currency
name:
type: string
icon:
type: string
isContract:
type: boolean
chains:
type: array
items:
type: string
priceTag:
type: string
fee:
type: object
symbol:
type: string
status:
type: string
contractAddress:
type: object
securitySchemes:
SignedAuth:
type: apiKey
in: header
name: authorization
description: >-
Signed (HMAC) authentication. Required headers: x-access-id,
x-request-id (UUID v4), x-timestamp (ISO 8601), and authorization
(Base64 HMAC-SHA256 signature of {timeStamp, requestId, accessId} using
your access secret).
AccessIdAuth:
type: apiKey
in: header
name: x-access-id
description: >-
Basic (Access ID) authentication. Only the x-access-id header is
required; no request signing.
````