> ## 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 Allowed Chains
> Retrieve all supported blockchain networks and their configuration
**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).
## 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"`
Container object for chains list and pagination data
Array of supported blockchain networks
Unique identifier for the chain
**Example:** `"8453"`
Display name of the blockchain
**Example:** `"Base"`
URL of the chain icon image (optional)
**Example:** `"https://tender-store.s3.amazonaws.com/icons/ethereum.png"`
Native coin symbol
**Example:** `"ETH"`
Type of blockchain (e.g., evm, aptos, btc, sol, ton, tron, xrpl, stellar, move)
**Example:** `"evm"`
Current status of the chain
**Example:** `"active"`
Block explorer URL (may be empty string)
**Example:** `"https://basescan.org"`
Total number of pages available
**Example:** `1`
Current page number
**Example:** `1`
Number of items per page
**Example:** `40`
## Example response
```json theme={null}
{
"status": "success",
"message": "success",
"data": {
"data": [
{
"id": "",
"name": "",
"icon": "",
"coin": "",
"chainType": "",
"status": "",
"explorer": ""
}
],
"pages": 1,
"page": 1,
"limit": 40
}
}
```
## OpenAPI
````yaml GET /v1/api/system/chains
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:
get:
tags:
- System
summary: Fetch Allowed Chains
description: Get list of all supported blockchain networks
operationId: getAllowedChains
parameters:
- 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: Chains retrieved successfully
content:
application/json:
schema:
$ref: '#/components/schemas/ChainsResponse'
example:
status: success
message: success
data:
data:
- id: aptos
name: Aptos
icon: https://tender-store.s3.amazonaws.com/icons/aptos.png
coin: aptos
chainType: aptos
status: active
explorer: https://aptosexplorer.io/tx/
- id: avalanche
name: Avalanche C-Chain
icon: https://tender-store.s3.amazonaws.com/icons/avax.png
coin: AVAX
chainType: evm
status: active
explorer: https://testnet.snowtrace.io/tx/
- id: bitcoin
name: Bitcoin
icon: https://tender-store.s3.amazonaws.com/icons/bitcoin.png
coin: BTC
chainType: btc
status: active
explorer: https://blockstream.info/testnet/transactions/btc/
- id: bsc
name: BNB Smart Chain
icon: https://tender-store.s3.amazonaws.com/icons/bnb.png
coin: BSC
chainType: evm
status: active
explorer: https://testnet.bscscan.com/tx/
- id: ethereum
name: Ethereum
icon: https://tender-store.s3.amazonaws.com/icons/ethereum.png
coin: ETH
chainType: evm
status: active
explorer: https://sepolia.etherscan.io/tx/
- id: move
name: Movement
icon: https://tender-store.s3.amazonaws.com/icons/move.png
coin: move
chainType: move
status: active
explorer: ''
- id: optimism
name: Optimism
icon: https://tender-store.s3.amazonaws.com/icons/optimism.png
coin: OPTM
chainType: evm
status: active
explorer: https://goerli-optimism.etherscan.io/tx/
- id: planq
name: Planq
icon: https://tender-store.s3.amazonaws.com/icons/planq.png
coin: Planq
chainType: evm
status: active
explorer: https://nova-explorer.comdex.one/comdex-novanet/tx/
- id: polygon
name: Polygon
icon: https://tender-store.s3.amazonaws.com/icons/matic.png
coin: MATIC
chainType: evm
status: active
explorer: https://mumbai.polygonscan.com/tx/
- id: sol
name: SOLANA
icon: https://tender-store.s3.amazonaws.com/icons/sol.png
coin: sol
chainType: sol
status: active
explorer: https://solscan.io
- id: stable
name: Stable Testnet
icon: https://tender-store.s3.amazonaws.com/icons/stable.png
coin: stable
chainType: evm
status: active
explorer: https://testnet.stablescan.xyz/tx/
- id: stellar
name: Stellar
icon: >-
https://tender-store.s3.us-east-1.amazonaws.com/icons/xlm.png
coin: XLM
chainType: stellar
status: active
explorer: https://blockexplorer.one/xrp/testnet/tx/
- id: ton
name: TON
icon: https://tender-store.s3.amazonaws.com/icons/ton.png
coin: ton
chainType: ton
status: active
explorer: https://tonscan.org
- id: tron
name: TRON
icon: https://tender-store.s3.amazonaws.com/icons/tron.png
coin: TRON
chainType: tron
status: active
explorer: https://shasta.tronscan.org/#/transaction/
- id: xrp
name: Ripple Devnet
icon: https://tender-store.s3.amazonaws.com/icons/xrp.png
coin: XRP
chainType: evm
status: active
explorer: https://evm-sidechain.xrpl.org/tx/
- id: xrpl
name: XRPL
icon: https://tender-store.s3.amazonaws.com/icons/xrp.png
coin: XRP
chainType: xrpl
status: active
explorer: https://blockexplorer.one/xrp/testnet/tx/
pages: 1
page: 1
limit: 40
security:
- AccessIdAuth: []
components:
schemas:
ChainsResponse:
type: object
properties:
status:
type: string
message:
type: string
data:
type: object
properties:
data:
type: array
items:
$ref: '#/components/schemas/Chain'
pages:
type: integer
page:
type: integer
limit:
type: integer
Chain:
type: object
properties:
id:
type: string
description: Unique identifier for the chain
example: '8453'
name:
type: string
description: Display name of the blockchain
example: Base
icon:
type: string
description: URL of the chain icon image (optional)
example: https://tender-store.s3.amazonaws.com/icons/ethereum.png
coin:
type: string
description: Native coin symbol
example: ETH
chainType:
type: string
description: >-
Type of blockchain (e.g., evm, aptos, btc, sol, ton, tron, xrpl,
stellar, move)
example: evm
status:
type: string
description: Current status of the chain
example: active
explorer:
type: string
description: Block explorer URL (may be empty string)
example: https://basescan.org
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.
````