# Ascended transitions · API reference · Femtos

> A message when a launch crosses your thresholds, in the block where it happens. WebSocket channel ascend.status on Elysium: parameters, response fields and a live call per layer.

- Base URL: `https://api.femtos.xyz/v1` (REST) · `wss://api.femtos.xyz/v1/ws` (WebSocket) · MCP: `https://api.femtos.xyz/mcp`
- Auth: `Authorization: Bearer $FEMTOS_KEY`. Free key: https://femtos.xyz/account/new (browser), or with
  no browser: `GET https://femtos.xyz/accounts/agent/challenge`, solve its proof of work, then `POST https://femtos.xyz/accounts/agent/signup`
  (https://femtos.xyz/agents.md#agent-onboarding)
- Decimals are exact strings, times Unix milliseconds, addresses lowercase `0x`
- Whole API in one file: https://femtos.xyz/agents.md · OpenAPI: https://api.femtos.xyz/v1/openapi.json · Index: https://femtos.xyz/llms.txt
- Page with live calls: https://femtos.xyz/reference/ws/ascend-status

WebSocket: get a ticket (`POST https://api.femtos.xyz/v1/ws-ticket` with your key), connect to `wss://api.femtos.xyz/v1/ws?ticket=$TICKET`, send the frame below; the first message has `"snapshot": true`. Details: https://femtos.xyz/agents.md#websocket

## Ascended transitions — WS `ascend.status`

A message when a launch crosses your thresholds, in the block where it happens.

Layers: Elysium. Not on HyperCore: a channel of Elysium only. Not on HyperEVM: Ascend is an Elysium launchpad; HyperEVM launches (LiquidLaunch): hyperevm.launches.
Page with live calls: https://femtos.xyz/reference/ws/ascend-status?layer=elysium

| Param | In | Example or values | Meaning |
|---|---|---|---|
| `token` | filter | (optional) | Launched token: 0x address |
| `launchpad` | filter | (optional) | Launchpad name |
| `min_mcap_usd` | filter | `50000` | Threshold: minimum market cap, USD |
| `min_holders` | filter | `20` | Threshold: minimum holders |
| `min_volume_usd` | filter | (optional) | Threshold: minimum volume since launch, USD |
| `max_top10_share` | filter | (optional) | Threshold: maximum top-10 share of the supply |

```json
{"op":"subscribe","channel":"ascend.status","filter":{"min_mcap_usd":"50000","min_holders":"20"}}
```

| Field | Type | Meaning |
|---|---|---|
| `snapshot: true` | AscendStatusRow[] | {token, symbol, pair, launchpad, status, ascend} of the last 50 launches (or of `token`), chronological |
| `data.kind` | ascended \| lost \| criterion | ascended: the derived status became ascended; lost: it left it; criterion: one criterion flipped |
| `data.crossed[]` | object | The criteria that flipped: {criterion, met} |
| `data.ascend` | object | progress after the block: {status, thresholds, met, of, criteria} |

## Related (Launches)

- [Launches](https://femtos.xyz/reference/launches.md) `GET /v1/launches`: Latest LiquidLaunch bonding-curve launches, newest first. (Elysium, HyperEVM)
- [Launches stream](https://femtos.xyz/reference/ws/launches.md) `WS elysium.launches · hyperevm.launches`: One message per new LiquidLaunch launch, the moment its block is indexed. (Elysium, HyperEVM)
- [Launch detail & signals](https://femtos.xyz/reference/signals.md) `GET /v1/launches/{token}`: Metrics, dev wallet, early buyers and risk signals of one launch. (Elysium, HyperEVM)
- [Launch holders](https://femtos.xyz/reference/launch-holders.md) `GET /v1/launches/{token}/holders`: Every holder of a launched token, tagged dev or early buyer, with concentration. (Elysium, HyperEVM)
- [Launch timeline](https://femtos.xyz/reference/timeline.md) `GET /v1/launches/{token}/timeline`: The whole life of a launch as ordered events with running state. (Elysium, HyperEVM)
- [New tokens](https://femtos.xyz/reference/new-tokens.md) `GET /v1/tokens/new`: Every ERC-20 created on HyperEVM, newest first, with its first pool and market figures. (Elysium, HyperEVM)
- [New tokens stream](https://femtos.xyz/reference/ws/new-tokens.md) `WS elysium.tokens.new · hyperevm.tokens.new`: One message per new token as its block is indexed, and another when its first pool opens. (Elysium, HyperEVM)
- [New pools](https://femtos.xyz/reference/new-pools.md) `GET /v1/pools/new`: Every new pair or pool on HyperEVM, from every discovered factory and PoolManager, newest first. (Elysium, HyperEVM)
- [New pools stream](https://femtos.xyz/reference/ws/new-pools.md) `WS elysium.pools.new · hyperevm.pools.new`: One message per new pool, the moment its block is indexed. (Elysium, HyperEVM)
- [Ascend swaps stream](https://femtos.xyz/reference/ws/ascend-swaps.md) `WS ascend.swaps`: Every swap of every Ascend pool, one message per block. (Elysium)
- [Lifecycle stage changes](https://femtos.xyz/reference/ws/ascend-lifecycle.md) `WS ascend.lifecycle`: A message when a launched token reaches its next stage: listing desk, HyperEVM mirror, HyperCore spot, perp. (Elysium)

Every page: https://femtos.xyz/reference.md