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GET
/
v2
/
farcaster
/
nft
/
mint
/
Simulate NFT mint calldata
curl --request GET \
  --url https://api.neynar.com/v2/farcaster/nft/mint/ \
  --header 'x-api-key: <api-key>'
[
  {
    "args": [
      "<unknown>"
    ],
    "calldata": "0xabcdef",
    "data": "0x1234abcd",
    "estimated_total_cost_wei": "100000000000000",
    "function_name": "mintTo",
    "network": "base",
    "recipient": {
      "address": "0x5a927ac639636e534b678e81768ca19e2c6280b7",
      "fid": "<unknown>",
      "quantity": 1
    },
    "to": "0x5a927ac639636e534b678e81768ca19e2c6280b7",
    "value": "0",
    "abi": "<unknown>"
  }
]

Authorizations

​
x-api-key
string
header
default:NEYNAR_API_DOCS
required

API key to authorize requests

Query Parameters

​
recipients
string
required

JSON array of recipients (same structure as POST).

​
nft_contract_address
string
required

Ethereum address

Pattern: ^0x[a-fA-F0-9]{40}$
Example:

"0x5a927ac639636e534b678e81768ca19e2c6280b7"

​
network
enum<string>
required

Network to mint on.

Available options:
base,
optimism,
base-sepolia

Response

Success

​
args
any[]
required
​
calldata
string
required

Calldata for the mint transaction.

Example:

"0xabcdef"

​
data
string
required
Example:

"0x1234abcd"

​
estimated_total_cost_wei
string
required

Estimated total cost in wei (value + gas). Use this for price display.

Example:

"100000000000000"

​
function_name
string
required
Example:

"mintTo"

​
network
string
required
Example:

"base"

​
recipient
object
required

NFT mint recipient. Exactly one of "address" or "fid" must be set.

​
to
string
required

Ethereum address

Pattern: ^0x[a-fA-F0-9]{40}$
Example:

"0x5a927ac639636e534b678e81768ca19e2c6280b7"

​
value
string
required
Example:

"0"

​
abi
any | null

ABI for the mint function.