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Every request is a JSON text frame with a top-level platform and type.

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Request envelope

{
  "platform": "pump_fun",
  "type": "create_with_image_url"
}
Each platform page documents the rest of the payload for that method.

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Shared request objects

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transaction_data

Used by launch-style requests on pump_fun, raydium_launchpad, bags, heaven, liquid_af, four_meme, clanker_base, and nad_fun.
FieldTypeNotes
rpcsstring[]Backend RPC lanes for the request. Use astralane as the recommended fast lane when available.
identifierstringYour request id. This is the main correlation key in streamed responses.
priority_feenumberPlatform-specific fee field. On Solana flows this is a lamport priority fee.
payer_walletstringWallet/address that signs and pays for the transaction.
Example: 
{
  "transaction_data": {
    "rpcs": ["astralane"],
    "identifier": "req_123",
    "priority_fee": 1000000,
    "payer_wallet": "YOUR_WALLET"
  }
}
For latency-sensitive flows, astralane is the recommended RPC lane.

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launch_data

Used by launch-style requests.
FieldTypeNotes
namestringToken name.
symbolstringToken symbol.
descriptionstringEmpty string is allowed.
twitterstringUsually the X/Twitter or source URL for the launch.
attached_referralstring | nullOptional referral code/id.
websitestring | nullOptional website URL.
generatedbooleanWhether the launch metadata was AI-generated.
multi_deploy_countnumberOptional multi-launch count for supported launchpads.

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buy_config

Shared by the Solana launch-style creators: pump_fun, raydium_launchpad, bags, heaven, and liquid_af. Standard: 
{
  "type": "standard",
  "buy_amount": 50000000,
  "min_tokens_out": 0
}
Bundled: 
{
  "type": "bundled",
  "buy_amount": 50000000,
  "min_tokens_out": 0,
  "bundles": [
    {
      "pubkey": "SNIPER_WALLET",
      "buy_amt": 20000000,
      "delay": 0
    }
  ]
}

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supply_transfer

Some launchpads accept an optional supply transfer after launch. It can be sent as either a destination string or a structured object. String form: 
"supply_transfer": "DESTINATION_WALLET"
Structured form: 
{
  "supply_transfer": {
    "destination_wallet": "DESTINATION_WALLET",
    "percent_basis_points": 2500
  }
}
See TXResponses for the streamed response format, common msg_type values, and terminal-response handling.