Supported Blockchains and APIs

The availability of Developer Services products and endpoints varies by blockchain. The following tables are organized by API category and list which endpoints are supported on each blockchain for both mainnet and testnet.

Developer-controlled wallets

The following tables group developer-controlled wallets endpoints by API category and show which blockchains support them.

Wallets API

Select the tab that matches the first letter range of your blockchain name to see supported wallet endpoints.

A
B - N
O - U
Other

	Aptos	Arbitrum	Arc Testnet	Avalanche
Create developer wallets	Yes	Yes	Yes	Yes
List developer wallets Retrieve a developer wallet	Yes	Yes	Yes	Yes
Fetch balances for a wallet	Yes	Yes	Yes	Yes
Fetch NFTs for a wallet	No	Yes	Yes	Yes

	Optimism	Polygon	Solana	Unichain
Create developer wallets	Yes	Yes	Yes	Yes
List developer wallets Retrieve a developer wallet	Yes	Yes	Yes	Yes
Fetch balances for a wallet	Yes	Yes	Yes	Yes
Fetch NFTs for a wallet	Yes	Yes	Yes	Yes

	Other EVM blockchains
Create developer wallets	Yes, if `blockchain` value is `EVM` or `EVM-TEST`
List developer wallets Retrieve a developer wallet	Yes
Fetch balances for a wallet	No
Fetch NFTs for a wallet	No

Transactions API

Select the tab that matches the first letter range of your blockchain name to see supported transactions endpoints.

A
B - N
O - U
Other

	Aptos	Arbitrum	Arc Testnet	Avalanche
Create a transfer Validate an address	Yes	Yes	Yes	Yes
Accelerate a transaction Cancel a transaction	No	No	Yes	Yes
Create a contract execution Estimate contract execution fees	Limited*	Yes	Yes	Yes
List transactions Retrieve a transaction Estimate transfer fees	Yes	Yes	Yes	Yes

*Note: Limited support for contract execution on AptosFor Aptos, the contract execution endpoints are available only for batch transfers, and requires fixed values for abiFunctionSignature and contractAddress.The following sample request body shows the required values.

JSON

{
  "idempotencyKey": "{{$YourUUID}}",
  "walletId": "639ff7f1-2fed-5de4-9976-c1706ca1ef88",
  "feeLevel": "MEDIUM",
  "abiFunctionSignature": "aptos_account::batch_transfer_fungible_assets(metadata:object::Object<fungible_asset::Metadata>,recipients:vector<address>,amounts:vector<u64>)",
  "abiParameters": [
    "0x69091fbab5f7d635ee7ac5098cf0c1efbe31d68fec0f2cd565e8d168daf52832",
    [
      "0xe78568bcfc30070fae04c1c4ba267eecc228e077672e18086baa042cbfb0ba70",
      "0xb8019c3e505fafe00edd1ba95c34f3f78e957da668c23ecb56ccd3a59ee8f21e"
    ],
    ["1", "1"]
  ],
  "contractAddress": "0x1",
  "refId": "aptos-testnet-contractExecution",
  "entitySecretCiphertext": "{{entity-secret-ciphertext}}"
}

	Base	Ethereum	Monad	Near
Create a transfer Validate an address	Yes	Yes	Yes	No
Accelerate a transaction Cancel a transaction	Yes	Yes	Yes	No
Create a contract execution Estimate contract execution fees	Yes	Yes	Yes	No
List transactions Retrieve a transaction Estimate transfer fees	Yes	Yes	Yes	No

	Optimism	Polygon	Solana	Unichain
Create a transfer Validate an address	Yes	Yes	Yes	Yes
Accelerate a transaction Cancel a transaction	Yes	Yes	No	Yes
Create a contract execution Estimate contract execution fees	Yes	Yes	No	Yes
List transactions Retrieve a transaction Estimate transfer fees	Yes	Yes	Yes	Yes

	Other EVM blockchains
Create a transfer Validate an address	Yes
Accelerate a transaction Cancel a transaction	No
Create a contract execution Estimate contract execution fees	No
List transactions Retrieve a transaction Estimate transfer fees	No

Signing API

Select the tab that matches the first letter range of your blockchain name to see supported signing endpoints.

To sign transactions with an EVM-TESTNET wallet, use the appropriate chain ID. If you’re on mainnet, you can use an EVM wallet to sign transactions on any EVM-compatible chain.

A
B - N
O - U
Other

	Aptos	Arbitrum	Arc Testnet	Avalanche
Sign message	Yes	Yes	Yes	Yes
Sign typed data	No	Yes	Yes	Yes
Sign transaction	No	`EVM`, `EVM-TESTNET` wallets only	`EVM`, `EVM-TESTNET` wallets only	`EVM`, `EVM-TESTNET` wallets only
Sign delegate action	No	No	No	No

	Base	Ethereum	Monad	Near
Sign message	Yes	Yes	Yes	No
Sign typed data	Yes	Yes	Yes	No
Sign transaction	`EVM`, `EVM-TESTNET` wallets only	`EVM`, `EVM-TESTNET` wallets only	`EVM`, `EVM-TESTNET` wallets only	Yes
Sign delegate action	No	No	No	Yes

	Optimism	Polygon	Solana	Unichain
Sign message	Yes	Yes	Yes	Yes
Sign typed data	Yes	Yes	No	Yes
Sign transaction	`EVM`, `EVM-TESTNET` wallets only	`EVM`, `EVM-TESTNET` wallets only	Yes	`EVM`, `EVM-TESTNET` wallets only
Sign delegate action	No	No	No	No

	Other EVM chains
Sign message	Yes
Sign typed data	Yes
Sign transaction	Yes
Sign delegate action	No

Token Lookup API

The retrieve a developer token endpoint is available for all supported chains except Near.

User-controlled wallets

The following tables group user-controlled wallets endpoints by API category and show which blockchains support them.

PIN Authentication API

The create a challenge to initialize a user endpoint is available on all supported blockchains.

Wallets API

Select the tab that matches the first letter range of your blockchain name to see supported wallet endpoints.

A
B - N
O - U
Other

	Aptos	Arbitrum	Arc Testnet	Avalanche
Create a user wallet Retrieve a user wallet List user wallets	Yes	Yes	Yes	Yes
Fetch balance for a wallet	Yes	Yes	Yes	Yes
Fetch NFTs for a wallet	No	Yes	Yes	Yes

	Base	Ethereum	Monad	Near
Create a user wallet Retrieve a user wallet List user wallets	Yes	Yes	Yes	No
Fetch balance for a wallet	Yes	Yes	Yes	No
Fetch NFTs for a wallet	Yes	Yes	Yes	No

	Other EVM chains
Create a user wallet Retrieve a user wallet List user wallets	Yes
Fetch balance for a wallet	No
Fetch NFTs for a wallet	No

Transactions API

Select the tab that matches the first letter range of your blockchain name to see supported transaction endpoints.

A
B - N
O - U
Other

	Aptos	Arbitrum	Arc Testnet	Avalanche
Create challenge for transfer	Yes	Yes	Yes	Yes
Create challenge to accelerate transaction Create challenge to cancel transaction	No	No	Yes	Yes
Create challenge to execute contract Estimate contract execution fees	Limited*	Yes	Yes	Yes
Estimate transfer fees	Yes	Yes	Yes	Yes
List transactions Retrieve a transaction	Yes	Yes	Yes	Yes
Validate an address	Yes	Yes	Yes	Yes

JSON

{
  "idempotencyKey": "{{$YourUUID}}",
  "walletId": "639ff7f1-2fed-5de4-9976-c1706ca1ef88",
  "feeLevel": "MEDIUM",
  "abiFunctionSignature": "aptos_account::batch_transfer_fungible_assets(metadata:object::Object<fungible_asset::Metadata>,recipients:vector<address>,amounts:vector<u64>)",
  "abiParameters": [
    "0x69091fbab5f7d635ee7ac5098cf0c1efbe31d68fec0f2cd565e8d168daf52832",
    [
      "0xe78568bcfc30070fae04c1c4ba267eecc228e077672e18086baa042cbfb0ba70",
      "0xb8019c3e505fafe00edd1ba95c34f3f78e957da668c23ecb56ccd3a59ee8f21e"
    ],
    ["1", "1"]
  ],
  "contractAddress": "0x1",
  "refId": "aptos-testnet-contractExecution",
  "entitySecretCiphertext": "{{entity-secret-ciphertext}}"
}

	Base	Ethereum	Monad	Near
Create challenge for transfer	Yes	Yes	Yes	No
Create challenge to accelerate transaction Create challenge to cancel transaction	Yes	Yes	Yes	No
Create challenge to execute contract Estimate contract execution fees	Yes	Yes	Yes	No
Estimate transfer fees	Yes	Yes	Yes	No
List transactions Retrieve a transaction	Yes	Yes	Yes	No
Validate an address	Yes	Yes	Yes	No

	Optimism	Polygon	Solana	Unichain
Create challenge for transfer	Yes	Yes	Yes	Yes
Create challenge to accelerate transaction Create challenge to cancel transaction	Yes	Yes	No	Yes
Create challenge to execute contract Estimate contract execution fees	Yes	Yes	No	Yes
Estimate transfer fees	Yes	Yes	Yes	Yes
List transactions Retrieve a transaction	Yes	Yes	Yes	Yes
Validate an address	Yes	Yes	Yes	Yes

	Other EVM chains
Create challenge for transfer	No
Create challenge to accelerate transaction Create challenge to cancel transaction	No
Create challenge to execute contract Estimate contract execution fees	No
Estimate transfer fees	No
List transactions Retrieve a transaction	Yes
Validate an address	Yes

Signing API

Select the tab that matches the first letter range of your blockchain name to see supported signing endpoints.

A
B - N
O - U
Other

	Aptos	Arbitrum	Arc Testnet	Avalanche
Create challenge to sign message	Yes	Yes	Yes	Yes
Create challenge to sign typed data	No	Yes	Yes	Yes
Create challenge to sign transaction	No	`EVM`, `EVM-TESTNET` wallets only	`EVM`, `EVM-TESTNET` wallets only	`EVM`, `EVM-TESTNET` wallets only

	Base	Ethereum	Monad	Near
Create challenge to sign message	Yes	Yes	Yes	No
Create challenge to sign typed data	Yes	Yes	Yes	No
Create challenge to sign transaction	`EVM`, `EVM-TESTNET` wallets only	`EVM`, `EVM-TESTNET` wallets only	`EVM`, `EVM-TESTNET` wallets only	No

	Optimism	Polygon	Solana	Unichain
Create challenge to sign message	Yes	Yes	Yes	Yes
Create challenge to sign typed data	Yes	Yes	No	Yes
Create challenge to sign transaction	`EVM`, `EVM-TESTNET` wallets only	`EVM`, `EVM-TESTNET` wallets only	Yes	`EVM`, `EVM-TESTNET` wallets only

	Other EVM chains
Create challenge to sign message	Yes
Create challenge to sign typed data	Yes
Create challenge to sign transaction	Yes

Token Lookup API

The retrieve a user token endpoint is available on all supported blockchains except Near.

Wallets

Contracts

Paymaster

Developer Services

Supported Blockchains and APIs

Developer-controlled wallets

Wallets API

Transactions API

Signing API

Token Lookup API

User-controlled wallets

PIN Authentication API

Wallets API

Transactions API

Signing API

Token Lookup API

Wallets

Contracts

Paymaster

Developer Services

​Developer-controlled wallets

​Wallets API

​Transactions API

​Signing API

​Token Lookup API

​User-controlled wallets

​PIN Authentication API

​Wallets API

​Transactions API

​Signing API

​Token Lookup API

Developer-controlled wallets

Wallets API

Transactions API

Signing API

Token Lookup API

User-controlled wallets

PIN Authentication API

Wallets API

Transactions API

Signing API

Token Lookup API