# Flap.sh on Robinhood Chain (contracts, graduation and API) > How Flap.sh launches tax and non-tax tokens on Robinhood Chain, graduates them to Uniswap v2 with burned LP, its contract addresses and the Crius API. Source: https://docs.crius.sh/launchpads/flap/ · Updated 2026-10-28 Short answer Flap.sh tokens trade on a bonding curve kept inside the Flap Portal (`0x26605f322f7ff986f381bb9a6e3f5dab0beaeb09`) and graduate into a Uniswap v2 pair with the LP burned. List them with `GET /v1/robinhood/tokens?launchpad=flap` (`list=new`, `bonding`, `graduated`), get stats with `GET /v1/robinhood/launchpads/flap`, and one token's lifecycle and pools with `/token/{address}/launch`. [GET `/launchpads`](https://docs.crius.sh/reference/launchpads/launchpads/) [GET `/tokens`](https://docs.crius.sh/reference/discovery/token-lists/) [GET `/token/{address}/launch`](https://docs.crius.sh/reference/launchpads/launch-lifecycle/) [Flap.sh](https://flap.sh) is a bonding-curve launchpad with a twist: tokens can carry a buy and sell **tax** from launch, routed to the creator, a vault or dividends for holders. Every Flap token’s curve lives inside one contract, the Flap Portal, which also emits every launch, trade and graduation. When a curve fills, the Portal moves the token into a **Uniswap v2** pair and burns the LP tokens, so that liquidity can never be withdrawn. ## Flap.sh at a glance | | Flap.sh | | --- | --- | | Crius launchpad id | `flap` | | Launch | Through the Flap Portal (or the VaultPortal for tax tokens bound to a vault); no per-token curve contract | | Token types | Tax tokens (address ends in `7777`) and non-tax tokens (address ends in `8888`) | | Quote assets | Mostly native ETH; USDG and stock tokens (SPY, NVDA, TSLA and others) are enabled | | Graduation | At 800 million tokens circulating (5 ETH raised on the default ETH curve) | | After graduation | Uniswap v2 pair (a few on a Pancake-style fork) with 200 million tokens; LP tokens burned to `0x000000000000000000000000000000000000dEaD` | | Fees | 1% on curve buys and sells, plus the token's own tax for tax tokens | | Graduation rate | 0.087% (`graduation_rate_pct: 0.0872573`), median 8,533 blocks to graduate (about 14 minutes) | ## How a Flap token launches and graduates 1. **Launch.** A creator (or a smart account, or one of the batch “launch farm” contracts that mass-create tokens) calls the Portal, which deploys the token as a clone of the tax or non-tax template and sets its curve, quote asset and tax rates. Crius picks it up from the Portal’s `TokenCreated` event; the quote comes from `TokenQuoteSet`. 2. **Bonding.** Buys and sells go through the Portal (`TokenBought`, `TokenSold`). Each trade pays a 1% fee to Flap’s fee Safe; tax tokens also pay their tax on the curve. Fresh Flap tokens show `status: "bonding"` and often `progress_pct: null` in Crius lists until progress can be measured. 3. **Graduation.** The buy that takes circulating supply to 800 million triggers `LaunchedToDEX`: 200 million tokens and the raised quote (5 ETH on the default curve, added as WETH) go into a Uniswap v2 pair, and the LP tokens are sent to the dead address. 4. **After graduation.** The token trades on its v2 pair. A tax token keeps charging its tax on DEX trades, so check `/security` for the measured `tax.buy_pct` and `tax.sell_pct`. ## Flap.sh contracts on Robinhood Chain | Contract | Address | What it does | | --- | --- | --- | | Flap Portal | `0x26605f322f7ff986f381bb9a6e3f5dab0beaeb09` | Launches tokens, holds every curve, emits all launch, trade and graduation events (upgradeable proxy) | | Portal implementation | `0xf9209bdb1e04aca3104d5c6eed12a034451bbd99` | Current Portal logic (v5.23.1, verified) | | VaultPortal | `0xe9f7ab7de8fb8756acbb6a1cd13316a43308197b` | Launch path for tax tokens bound to a vault, such as stock-basket vaults | | Proxy admin | `0x21f7f9b33dfd0dbc3a94c0efa79f1546a1391ff5` | Admin of the Portal and VaultPortal proxies | | Tax token template | `0x7777c8743c88b3aff3cf262135bef2c8b2e83333` | FlapTaxTokenV3: every tax token is a clone, address ending in `7777` | | Non-tax token template | `0x88882688a067fe97e11c2185b996286e53132222` | FlapNonTaxToken: clones end in `8888` | | Tax token helper | `0xb10bd2672ae63735d677164a54b573a016f0203c` | Helper for tax tokens (upgradeable proxy) | | Fee receiver | `0xa4a727e0918cf9b39639fc4cb7d742d39c5352a4` | Safe that receives the 1% curve fee in ETH | | Stocks vault factory | `0xe6ca297d1d963b6f00d5b216986123caeb883af6` | Creates the stock-basket vaults most vault tokens use | | Uniswap v2 factory | `0x8bceaa40b9acdfaedf85adf4ff01f5ad6517937f` | Where almost all Flap tokens graduate | | DemoPancakeFactory | `0x02a84c1b3bbd7401a5f7fa98a384ebc70bb5749e` | Pancake-style v2 fork used by a few graduations | | Mirror pair factory | `0x0d1ebb179cdbca88d74c923c4255cb2b17474afd` | Display-only pairs that mirror curve trades without moving tokens; not indexed by Crius | Six vanity batch contracts mass-create Flap tokens, so a token’s creator can be one of them rather than a person: `0x8f96447d5d15571bc18705b2f1f09aec1b376666`, `0x5bbb332a7ea0bbc98424304326c3dce71d8b6666`, `0x8bf8eace53982a349195c452d1a22d025fae6666`, `0xb3023412cf5fe15811a158234e3fd70a7d6b6666`, `0x948ed9814055e4b74c3885f2de1599600b206666` and `0xcfc61f923c726a5f20dc56d8a925d31bf3e56666`. ## Query Flap.sh with Crius Example [Anonymous · no key · 2 credits](https://docs.crius.sh/reference/launchpads/launchpad-detail/) ### Flap.sh stats: 1,200 launches a day, one graduation How active is Flap.sh on Robinhood Chain, and which Flap tokens trade the most? GET/v1/robinhood/launchpads/flap?days=3 **cURL** ```bash curl "https://api.crius.sh/v1/robinhood/launchpads/flap?days=3" ``` **JavaScript** ```js const res = await fetch("https://api.crius.sh/v1/robinhood/launchpads/flap?days=3"); const { data, meta } = await res.json(); ``` **Python** ```python import requests r = requests.get( "https://api.crius.sh/v1/robinhood/launchpads/flap?days=3", ) body = r.json() print(body["data"]) ``` **Real response 200 Captured Oct 28, 2026 · 347 lines (arrays trimmed)** ```json { "data": { "contracts": { "launch_contracts": [ "0x26605f322f7ff986f381bb9a6e3f5dab0beaeb09" ] }, "history": { "days": 3, "points": [ { "date": "2026-10-26", "fees_usd": 10145.2, "graduated": 0, "launches": 1170, "traders": 2943, "trades": 6282, "volume_usd": 401018 }, { "date": "2026-10-27", "fees_usd": 11000.8, "graduated": 0, "launches": 1241, "traders": 2962, "trades": 6695, "volume_usd": 378046 }, { "date": "2026-10-28", "fees_usd": 9027.99, "graduated": 1, "launches": 1078, "traders": 3155, "trades": 7632, "volume_usd": 370745 } ] }, "id": "flap", "name": "Flap.sh", "since_block": 4227932, "stats": { "fees_usd_24h": { "lp": 2021.73, "tax": 7407.3, "total": 9429.03 }, "graduated": 338, "graduated_24h": 1, "graduation_rate_pct": 0.0872573, "launches_24h": 1200, "median_blocks_to_graduate": 8533, "tokens_launched": 387360, "traders_24h": 3284, "trades_24h": 7963, "volume_by_quote_usd_24h": { "eth": 367578, "other": 16.2147, "stock": 5051.86, "usdg": 11553.7 }, "volume_usd_24h": 384200 }, "top_tokens_24h": [ { "address": "0xf62bd0bb50ef92ff591c8ff39252f40ad5097777", "buy_volume_usd": { "1h": 0, "24h": 84170.9, "5m": 0, "6h": 286.905 }, "buyers": { "1h": 0, "24h": 99, "5m": 0, "6h": 11 }, "buys": { "1h": 0, "24h": 644, "5m": 0, "6h": 44 }, "change_pct": { "1h": 0.889599, "24h": -0.48219, "5m": 0.889599, "6h": -6.32022 }, "created_block": 73279901, "created_ts": 1790445510120, "decimals": 18, "fdv_usd": 2254393, "holders": 4822, "launchpad": "flap", "launchpad_name": "Flap.sh", "links": { "discord": null, "farcaster": null, "github": "https://docs.flap.sh/flap", "telegram": "https://t.me/FabricAi8", "twitter": "https://x.com/Fabric_AI_", "website": null }, "liquidity_usd": 148756, "logo": "https://api.crius.sh/v1/robinhood/logo/0xf62bd0bb50ef92ff591c8ff39252f40ad5097777.png?size=128", "market_cap_usd": 2254393, "name": "FabricAI", "price_eth": 0.00000095708, "price_usd": 0.00225439, "progress_pct": 100, "quote": "WETH", "sell_volume_usd": { "1h": 0, "24h": 84082.3, "5m": 0, "6h": 3028.13 }, "sellers": { "1h": 0, "24h": 71, "5m": 0, "6h": 12 }, "sells": { "1h": 0, "24h": 781, "5m": 0, "6h": 46 }, "status": "graduated", "symbol": "FA", "traders": { "1h": 0, "24h": 150, "5m": 0, "6h": 13 }, "txns": { "1h": 0, "24h": 1420, "5m": 0, "6h": 90 }, "volume_usd": { "1h": 0, "24h": 168253, "5m": 0, "6h": 3315.03 } }, { "address": "0x20024e485c0b22b42855589700721b28320a7777", "buy_volume_usd": { "1h": 2286.43, "24h": 52276.3, "5m": 0, "6h": 24617.1 }, "buyers": { "1h": 12, "24h": 184, "5m": 0, "6h": 86 }, "buys": { "1h": 19, "24h": 352, "5m": 0, "6h": 143 }, "change_pct": { "1h": 4.3405, "24h": 9.9927, "5m": 0.298221, "6h": 7.90337 }, "created_block": 27174072, "created_ts": 1785801361200, "decimals": 18, "fdv_usd": 1504039, "holders": 7803, "launchpad": "flap", "launchpad_name": "Flap.sh", "links": { "discord": null, "farcaster": null, "github": null, "telegram": "https://t.me/PRISM_Asset", "twitter": "https://x.com/prismassets", "website": "https://prismassets.shop/" }, "liquidity_usd": 296432, "logo": "https://api.crius.sh/v1/robinhood/logo/0x20024e485c0b22b42855589700721b28320a7777.png?size=128", "market_cap_usd": 1496248, "name": "Prism Assets", "price_eth": 0.000000638524, "price_usd": 0.00150404, "progress_pct": 100, "quote": "WETH", "sell_volume_usd": { "1h": 524.389, "24h": 40210.9, "5m": 0, "6h": 18450.7 }, "sellers": { "1h": 16, "24h": 317, "5m": 0, "6h": 182 }, "sells": { "1h": 20, "24h": 470, "5m": 0, "6h": 240 }, "status": "graduated", "symbol": "PRISM", "traders": { "1h": 27, "24h": 433, "5m": 0, "6h": 239 }, "txns": { "1h": 33, "24h": 644, "5m": 0, "6h": 317 }, "volume_usd": { "1h": 2810.82, "24h": 92487.1, "5m": 0, "6h": 43067.9 } }, { "address": "0xeb4641bc510277848984ef9539d54ba05ebd7777", "buy_volume_usd": { "1h": 31659, "24h": 31659, "5m": 396.003, "6h": 31659 }, "buyers": { "1h": 281, "24h": 281, "5m": 24, "6h": 281 }, "buys": { "1h": 388, "24h": 388, "5m": 24, "6h": 388 }, "change_pct": { "1h": 24.0563, "24h": 24.0563, "5m": -3.15166, "6h": 24.0563 }, "created_block": 100389612, "created_ts": 1793223305200, "decimals": 18, "fdv_usd": 72151.6, "holders": 171, "launchpad": "flap", "launchpad_name": "Flap.sh", "links": { "discord": null, "farcaster": null, "github": null, "telegram": null, "twitter": "https://x.com/Vellum_X", "website": "https://www.vellumrh.xyz/" }, "liquidity_usd": 26149.1, "logo": "https://api.crius.sh/v1/robinhood/logo/0xeb4641bc510277848984ef9539d54ba05ebd7777.png?size=128", "market_cap_usd": 72151.6, "name": "Vellum", "price_eth": 0.0000000306312, "price_usd": 0.0000721516, "progress_pct": 100, "quote": "WETH", "sell_volume_usd": { "1h": 17782.2, "24h": 17782.2, "5m": 610.386, "6h": 17782.2 }, "sellers": { "1h": 161, "24h": 161, "5m": 31, "6h": 161 }, "sells": { "1h": 253, "24h": 253, "5m": 35, "6h": 253 }, "status": "graduated", "symbol": "VELLUM", "traders": { "1h": 283, "24h": 283, "5m": 46, "6h": 283 }, "txns": { "1h": 625, "24h": 625, "5m": 58, "6h": 625 }, "volume_usd": { "1h": 49441.2, "24h": 49441.2, "5m": 1006.39, "6h": 49441.2 } } ], "type": "config_driven", "website": "https://flap.sh" }, "meta": { "block": 100410828, "block_age_ms": 477, "block_ts": 1793225489000, "chain": "robinhood", "finalized_block": 100401329, "lag_ms": 188, "notes": [ "volume and trades: every trade of the launchpad's tokens in any pool, on the curve and after graduation", "fees_usd_24h.lp: LP fees at each pool's fee (v4: the swap's own fee); tax: token and hook taxes measured from trades (taxes a hook takes in the quote currency on sells are not measured yet)" ], "safe_block": 100405028 } } ``` What this tells you - `tokens_launched: 387360`, `graduated: 338`. In 24 hours: `launches_24h: 1200`, `graduated_24h: 1`, 7,963 trades by 3,284 traders and $384,200 of volume, $367,578 of it against ETH. - `fees_usd_24h`: $7,407.3 of measured taxes against $2,021.73 of LP fees. On Flap the tax tokens, not the pools, generate most of the fees. - `history.points`: 1,170, 1,241 and 1,078 launches on 2026-10-26, 27 and 28, with 0, 0 and 1 graduations. - `top_tokens_24h`: FabricAI (`0xf62bd0bb50ef92ff591c8ff39252f40ad5097777`, $168,253 of volume, 4,822 holders), Prism Assets (`0x20024e485c0b22b42855589700721b28320a7777`, 7,803 holders) and Vellum (`0xeb4641bc510277848984ef9539d54ba05ebd7777`), all graduated, all quoted in WETH and all ending in `7777`: tax tokens. - `contracts.launch_contracts` lists the Portal; `since_block: 4227932` is the first Flap launch. [Launchpad detail reference](https://docs.crius.sh/reference/launchpads/launchpad-detail/) Runs from your browser on the anonymous plan [Data looks wrong? Report it](mailto:support@crius.sh?subject=Wrong%20data%20in%20docs%20example%3A%20Flap.sh%20stats%3A%201%2C200%20launches%20a%20day%2C%20one%20graduation&body=Page%3A%20https%3A%2F%2Fdocs.crius.sh%2Flaunchpads%2Fflap%2F%23flap-stats%0ARequest%3A%20GET%20%2Fv1%2Frobinhood%2Flaunchpads%2Fflap%3Fdays%3D3%0A%0AWhat's%20wrong%20or%20missing%3F%0A%0A) Example [Anonymous · no key · 1 credit](https://docs.crius.sh/reference/discovery/token-lists/) ### The newest Flap.sh tokens Which Flap.sh tokens were just launched? GET/v1/robinhood/tokens?list=new&launchpad=flap&limit=3 **cURL** ```bash curl "https://api.crius.sh/v1/robinhood/tokens?list=new&launchpad=flap&limit=3" ``` **JavaScript** ```js const res = await fetch("https://api.crius.sh/v1/robinhood/tokens?list=new&launchpad=flap&limit=3"); const { data, meta } = await res.json(); ``` **Python** ```python import requests r = requests.get( "https://api.crius.sh/v1/robinhood/tokens?list=new&launchpad=flap&limit=3", ) body = r.json() print(body["data"]) ``` **Real response 200 Captured Oct 28, 2026 · 281 lines (arrays trimmed)** ```json { "data": [ { "address": "0x294839975724eb79b21f96e900d5a66cf9077777", "buy_volume_usd": { "1h": 0.000572389, "24h": 0.000572389, "5m": 0.000572389, "6h": 0.000572389 }, "buyers": { "1h": 1, "24h": 1, "5m": 1, "6h": 1 }, "buys": { "1h": 1, "24h": 1, "5m": 1, "6h": 1 }, "change_pct": { "1h": -9.99999, "24h": -9.99999, "5m": -9.99999, "6h": -9.99999 }, "created_block": 100409279, "created_ts": 1793225332900, "decimals": 18, "fdv_usd": 4083.1, "holders": 2, "launchpad": "flap", "launchpad_name": "Flap.sh", "links": { "discord": null, "farcaster": null, "github": null, "telegram": null, "twitter": "https://x.com/Clowntrenches/status/2115566171936186372", "website": "https://dex.coinmarketcap.com/token/robinhood/0x294839975724eb79B21F96e900d5a66CF9077777" }, "liquidity_usd": 0.0010303, "logo": "https://api.crius.sh/v1/robinhood/logo/0x294839975724eb79b21f96e900d5a66cf9077777.png?size=128", "market_cap_usd": 4083.1, "name": "Shortinu", "price_eth": 0.00000000173344, "price_usd": 0.0000040831, "progress_pct": null, "quote": "ETH", "sell_volume_usd": { "1h": 0, "24h": 0, "5m": 0, "6h": 0 }, "sellers": { "1h": 0, "24h": 0, "5m": 0, "6h": 0 }, "sells": { "1h": 0, "24h": 0, "5m": 0, "6h": 0 }, "status": "bonding", "symbol": "SHORTINU", "traders": { "1h": 1, "24h": 1, "5m": 1, "6h": 1 }, "txns": { "1h": 1, "24h": 1, "5m": 1, "6h": 1 }, "volume_usd": { "1h": 0.000572389, "24h": 0.000572389, "5m": 0.000572389, "6h": 0.000572389 } }, { "address": "0xbf2da78c89c4f51f108aa73d8d7a7ea8cd5e7777", "buy_volume_usd": { "1h": 0.000499407, "24h": 0.000499407, "5m": 0.000499407, "6h": 0.000499407 }, "buyers": { "1h": 1, "24h": 1, "5m": 1, "6h": 1 }, "buys": { "1h": 1, "24h": 1, "5m": 1, "6h": 1 }, "change_pct": { "1h": -9.99999, "24h": -9.99999, "5m": -9.99999, "6h": -9.99999 }, "created_block": 100409188, "created_ts": 1793225323800, "decimals": 18, "fdv_usd": 4083.1, "holders": 2, "launchpad": "flap", "launchpad_name": "Flap.sh", "links": { "discord": null, "farcaster": null, "github": null, "telegram": null, "twitter": null, "website": "https://dex.coinmarketcap.com/token/robinhood/0xbf2Da78C89c4F51f108aA73D8D7a7Ea8cd5e7777" }, "liquidity_usd": 0.000898932, "logo": "https://api.crius.sh/v1/robinhood/logo/0xbf2da78c89c4f51f108aa73d8d7a7ea8cd5e7777.png?size=128", "market_cap_usd": 4083.1, "name": "United Dividend Trust Fund UDTF", "price_eth": 0.00000000173344, "price_usd": 0.0000040831, "progress_pct": null, "quote": "ETH", "sell_volume_usd": { "1h": 0, "24h": 0, "5m": 0, "6h": 0 }, "sellers": { "1h": 0, "24h": 0, "5m": 0, "6h": 0 }, "sells": { "1h": 0, "24h": 0, "5m": 0, "6h": 0 }, "status": "bonding", "symbol": "UDFT", "traders": { "1h": 1, "24h": 1, "5m": 1, "6h": 1 }, "txns": { "1h": 1, "24h": 1, "5m": 1, "6h": 1 }, "volume_usd": { "1h": 0.000499407, "24h": 0.000499407, "5m": 0.000499407, "6h": 0.000499407 } }, { "address": "0x60f5b9533d0382bcbb7112d078c9c38bff1a8888", "buy_volume_usd": { "1h": 0, "24h": 0, "5m": 0, "6h": 0 }, "buyers": { "1h": 0, "24h": 0, "5m": 0, "6h": 0 }, "buys": { "1h": 0, "24h": 0, "5m": 0, "6h": 0 }, "change_pct": { "1h": null, "24h": null, "5m": null, "6h": null }, "created_block": 100408594, "created_ts": 1793225265400, "decimals": 18, "fdv_usd": null, "holders": 1, "launchpad": "flap", "launchpad_name": "Flap.sh", "links": { "discord": null, "farcaster": null, "github": null, "telegram": null, "twitter": "https://x.com/pumpstartio/status/2115566079661814213?a=PvQcqggPw9F8HIStrE8&s=20", "website": null }, "liquidity_usd": 0, "logo": "https://api.crius.sh/v1/robinhood/logo/0x60f5b9533d0382bcbb7112d078c9c38bff1a8888.png?size=128", "market_cap_usd": null, "name": "we are all cooked", "price_eth": null, "price_usd": null, "progress_pct": null, "quote": null, "sell_volume_usd": { "1h": 0, "24h": 0, "5m": 0, "6h": 0 }, "sellers": { "1h": 0, "24h": 0, "5m": 0, "6h": 0 }, "sells": { "1h": 0, "24h": 0, "5m": 0, "6h": 0 }, "status": "bonding", "symbol": "NEW PROX LAUNCH", "traders": { "1h": 0, "24h": 0, "5m": 0, "6h": 0 }, "txns": { "1h": 0, "24h": 0, "5m": 0, "6h": 0 }, "volume_usd": { "1h": 0, "24h": 0, "5m": 0, "6h": 0 } } ], "meta": { "block": 100409896, "block_age_ms": 751, "block_ts": 1793225395000, "chain": "robinhood", "finalized_block": 100401329, "lag_ms": 161, "list": "new", "next_cursor": "3", "safe_block": 100405028, "stats_since": "chain_start", "window": "24h" } } ``` What this tells you - Shortinu (`0x294839975724eb79b21f96e900d5a66cf9077777`) and United Dividend Trust Fund (`0xbf2da78c89c4f51f108aa73d8d7a7ea8cd5e7777`) are tax tokens (`7777`). Each has one buy of a fraction of a cent and `market_cap_usd: 4083.1`: the price at the bottom of the default ETH curve. - “we are all cooked” (`0x60f5b9533d0382bcbb7112d078c9c38bff1a8888`) is a non-tax token (`8888`) with no trades yet: `price_usd: null`, `holders: 1`. - All three have `status: "bonding"` and `progress_pct: null`. [Token lists reference](https://docs.crius.sh/reference/discovery/token-lists/) Runs from your browser on the anonymous plan [Data looks wrong? Report it](mailto:support@crius.sh?subject=Wrong%20data%20in%20docs%20example%3A%20The%20newest%20Flap.sh%20tokens&body=Page%3A%20https%3A%2F%2Fdocs.crius.sh%2Flaunchpads%2Fflap%2F%23flap-new%0ARequest%3A%20GET%20%2Fv1%2Frobinhood%2Ftokens%3Flist%3Dnew%26launchpad%3Dflap%26limit%3D3%0A%0AWhat's%20wrong%20or%20missing%3F%0A%0A) For one token, `/token/{address}/launch` (Free plan) returns the launchpad, factory, creator, quote token, launch transaction and block, `status`, `graduated_block` and the token’s pools. The measured buy and sell tax of a tax token is in the anonymous [`/security`](https://docs.crius.sh/guides/check-token-taxes/) call. ## Use it in your app 1. **Filter the firehose.** `list=new&launchpad=flap&min_liquidity_usd=500` drops the hundreds of daily launches that never get a buyer. 2. **Check the tax before you buy.** A `7777` address means a tax token. `/security` returns the tax buyers actually paid (`tax.source: "realized"`) and whether the owner can change it. 3. **Expect slow graduations.** The median Flap graduation took 8,533 blocks, and fewer than 1 in 1,000 tokens get there. `list=graduated&launchpad=flap` shows the ones that did. 4. **Ignore the mirror pairs.** If you also read chain data yourself, leave pairs from `0x0d1ebb179cdbca88d74c923c4255cb2b17474afd` out of volume and liquidity; Crius already does. ```python # New Flap.sh tokens with some liquidity, flagged by token type. import requests rows = requests.get( "https://api.crius.sh/v1/robinhood/tokens", params={"list": "new", "launchpad": "flap", "min_liquidity_usd": 500, "limit": 50}, timeout=10, ).json()["data"] for t in rows: kind = "tax" if t["address"].endswith("7777") else "non-tax" if t["address"].endswith("8888") else "?" print(f"{t['symbol']:<12} {kind:<8} {t['address']} liq ${t['liquidity_usd']:,.0f} holders {t['holders']} quote {t['quote']}") ``` ## Frequently asked questions **How do I track new Flap.sh tokens on Robinhood Chain?** Poll `GET https://api.crius.sh/v1/robinhood/tokens?list=new&launchpad=flap`, or subscribe to `launches:flap` on the [WebSocket stream](https://docs.crius.sh/reference/stream/). About 1,200 Flap tokens launch a day, so add `min_liquidity_usd` to skip the ones nobody buys. **What is the Flap.sh contract address on Robinhood Chain?** Every Flap launch, trade and graduation goes through the Flap Portal, `0x26605f322f7ff986f381bb9a6e3f5dab0beaeb09`. Tax tokens are clones of `0x7777c8743c88b3aff3cf262135bef2c8b2e83333` (addresses ending in `7777`), non-tax tokens clones of `0x88882688a067fe97e11c2185b996286e53132222` (ending in `8888`). **When does a Flap.sh token graduate?** When its curve sells through to 800 million tokens in circulation. On the default ETH curve that is 5 ETH raised; the Portal then adds 200 million tokens and the raised quote to a Uniswap v2 pair and burns the LP tokens. Only 338 of 387,360 Flap tokens had graduated when the samples were captured. **Why do Flap.sh tokens show up twice on some chart sites?** Flap creates a display-only Uniswap v2-style pair for each token on `0x0d1ebb179cdbca88d74c923c4255cb2b17474afd`. Those pairs repeat every curve trade as a swap but move no tokens. Crius doesn't index them, so Flap volume and liquidity on Crius are counted once. ## Related [Concept **Launchpads** How token launchpads on Robinhood Chain work (bonding curves, graduation to Uniswap pools, LP locks) and which launchpads Crius attributes, including Pons, Flap.sh, Bankr, Long.xyz and Flywheel. Read](https://docs.crius.sh/concepts/launchpads/) [Guide **Track bonding & graduating tokens** Track Pons, Flap and other Robinhood Chain launchpad tokens on their bonding curves, see which are closest to graduating and catch each graduation. Read](https://docs.crius.sh/guides/track-bonding-and-graduating-tokens/) [Guide **Check token taxes** Get the real buy and sell tax of any Robinhood Chain token in one call, measured from recent trades and checked by simulation. Real examples with a 5% sell tax and a 7% buy tax. Read](https://docs.crius.sh/guides/check-token-taxes/) [Guide **Get launchpad stats** Launches, graduations, graduation rate, time to graduate, volume, traders and fees for every Robinhood Chain launchpad, with daily history. Real responses. Read](https://docs.crius.sh/guides/get-launchpad-stats/) [Launchpad **Pons** Pons v2 launchpad API for Robinhood Chain: launches, curve progress, graduations and fees, plus every contract (PonsV2LaunchFactory, PonsV2MemeHook, locker). Read](https://docs.crius.sh/launchpads/pons/) [API reference **Launchpads API** Every supported launchpad with its live stats: launches, graduations and volume. Read](https://docs.crius.sh/reference/launchpads/launchpads/)