API reference · Launch on Solana

Submit a launch

POSThttps://payday.direct/api/v1/launches/{id}/submit

Takes the signed transactions, checks they are the ones Payday built, and sends them. Send each one under its name, and the split_ ones as the split list in order.

Needs an API key in Authorization: Bearer or X-API-Key. Authentication

Path parameters

idstringrequired

id from POST /launches

Body

signedobjectrequired

signed.launchstringrequired

base64, signed by the wallet

signed.swapstring

signed.fundstring

signed.buystring

signed.splitstring[]

split_1, split_2 ... in order

Responses

200OK

400Error

401Missing or invalid key

409Error

410Error

429Over the limit. Retry-After says when to try again.

Response fields

idstring

The id

status"awaiting_signature" | "submitting" | "launched" | "expired"

curve on the bonding curve, graduated once it moved to the pump.fun AMM

mintstring

The coin's address: a Solana mint, or an EVM token address in lower case

walletstring

signaturestring | null

fees_toobject | null

fees_to.rail"xmoney" | "cashapp" | "venmo" | "zelle"

How the account is paid

fees_to.handlestring | null

The X handle

transactionsobject[]

create only: sign each with the wallet, in this order

transactions[].namestring

The coin's name

transactions[].transactionstring

base64 versioned transaction

fee_splitobject | null

fee_split.status"locked" | "pending"

curve on the bonding curve, graduated once it moved to the pump.fun AMM

fee_split.nextstring

sign_within_secondsinteger

expires_in_secondsinteger

dev_buy_tokensnumber | null

linksobject | null

Where to see the coin

curl -X POST "https://payday.direct/api/v1/launches/LAUNCH_ID/submit" \ -H "Authorization: Bearer pd_YOUR_KEY" \ -H "Content-Type: application/json" \ -d '{"signed":{"launch":"BASE64","buy":"BASE64","split":["BASE64"]}}'

const res = await fetch("https://payday.direct/api/v1/launches/LAUNCH_ID/submit", { method: "POST", headers: { Authorization: "Bearer " + process.env.PAYDAY_KEY, "Content-Type": "application/json" }, body: JSON.stringify({ "signed": { "launch": "BASE64", "buy": "BASE64", "split": [ "BASE64" ] } }), }); const json = await res.json(); if (!res.ok) throw new Error(json.error?.code); console.log(json);

import os, requests r = requests.post( "https://payday.direct/api/v1/launches/LAUNCH_ID/submit", headers={"Authorization": "Bearer " + os.environ["PAYDAY_KEY"]}, json={ "signed": { "launch": "BASE64", "buy": "BASE64", "split": [ "BASE64" ] } }, ) r.raise_for_status() print(r.json())

{ "data": { "id": "L_9f2c1e", "status": "launched", "mint": "NewCoinMint11111111111111111111111111111pump", "signature": "5KYu1jGJ...MCdPLJ6", "fee_split": { "status": "locked" }, "links": { "page": "https://payday.direct/explore#coin/NewCoinMint11111111111111111111111111111pump", "pump": "https://pump.fun/coin/NewCoinMint11111111111111111111111111111pump" } } }