---
title: "Get Lighter on Robinhood Chain account position changes"
method: GET
path: "/v1/rh-lighter/accounts/{account_index}/positions/changes"
tags: ["Lighter on Robinhood Chain - Positions"]
---

# Get Lighter on Robinhood Chain account position changes

`GET /v1/rh-lighter/accounts/{account_index}/positions/changes`

## Request

- Base URL: `https://api.0xarchive.io`
- URL: `https://api.0xarchive.io/v1/rh-lighter/accounts/{account_index}/positions/changes`
- Auth: API key in header `X-API-Key`

Position change log of one account in `[start, end)`: every trade, liquidation, deleverage, or settlement leg with the position before and after, in timestamp order. `end` is clamped to `meta.built_through`. A window too large to answer in time returns an error asking for a narrower one. The change log and hourly history start June 26, 2026; live snapshots refresh every 2 minutes. Values are in USDG. Rows past the trade finalization watermark are preliminary (`finalized: false`). Billed at 1 credit per 1,000 rows returned, minimum 1 credit per request.

## Path parameters

- `account_index` string, required

## Query parameters

- `start` union: An instant: Unix milliseconds, or an RFC 3339 string such as `2026-01-01T00:00:00Z` (encode a `+` offset as `%2B`). An unparsable value answers 400 `invalid_time_range`.
  - integer: Unix milliseconds.
  - string, date-time: RFC 3339 instant.
- `end` union: An instant: Unix milliseconds, or an RFC 3339 string such as `2026-01-01T00:00:00Z` (encode a `+` offset as `%2B`). An unparsable value answers 400 `invalid_time_range`.
  - integer: Unix milliseconds.
  - string, date-time: RFC 3339 instant.
- `symbol` string
- `limit` integer
- `cursor` string

## Response `200`

Get Lighter on Robinhood Chain account position changes

- ApiResponsePositionChangeArray: Position change log legs in timestamp order.
  - `success` boolean, required
  - `data` PositionChange[], required
    - `timestamp` string, date-time, required: Execution time (UTC).
    - `account_index` string: Lighter only: account index as a string.
    - `account_kind` string: Lighter only: `user`, `insurance`, `settlement`, or `system`.
    - `symbol` string, required: Market symbol (HIP-3: `dex:COIN`).
    - `coin` string, required: Alias of `symbol`.
    - `dex` string: HIP-3 only: dex of the market.
    - `side` 'B' | 'A', required: Side of this account in the trade, exactly as on the trades routes: `B` (buy) or `A` (sell).
    - `price` string, nullable, required: Execution price.
    - `size` string, nullable, required: Traded size in base units.
    - `start_position` string, nullable, required: Signed position size before the leg.
    - `end_position` string, nullable, required: Signed position size after the leg.
    - `entry_price_after` string, nullable, required: Average entry price after the leg. Null when the position is flat after it.
    - `event_type` string, required: Effect on the position: `open`, `increase`, `reduce`, `close`, or `flip`. Lighter also reports `settlement` (the settlement counterparty side of a market settlement) and `unchanged`.
    - `cause` string, required: Why the leg happened: `trade`, `liquidation`, `liquidation_counterparty`, `adl`, `settlement`, or `unknown`.
    - `direction` string: Hyperliquid and HIP-3 only: direction label as reported by Hyperliquid (for example `Close Short`).
    - `closed_pnl` string, nullable: Hyperliquid and HIP-3 only: realized PnL of the leg in USD.
    - `realized_pnl` string: Lighter only: realized PnL of the leg in the quote asset (0 on open and increase).
    - `fee` string, nullable, required: Fee paid for the leg (negative is a rebate).
    - `fee_token` string, required: Asset the fee is paid in: USDC on Hyperliquid and Lighter mainnet, USDG on Lighter on Robinhood Chain.
    - `crossed` boolean: Hyperliquid and HIP-3 only: true when this account was the taker.
    - `is_maker` boolean: Lighter only: true when this account was the maker.
    - `trade_id` integer, required: Trade ID, shared by both legs of a trade.
    - `order_id` integer, nullable, required: Order ID of this account.
    - `opened_at` string, date-time, nullable, required: Start of the position lifecycle this leg belongs to. Null when it opened before coverage.
    - `seq` integer: Hyperliquid and HIP-3 only: order of legs that share a timestamp.
    - `block_number` integer: Hyperliquid and HIP-3 only, present when known (from September 17, 2026): block that executed the leg.
    - `event_index` integer: Hyperliquid and HIP-3 only, present with `block_number`: execution order within the block.
    - `continuity` 'ok' | 'inferred' | 'first_seen' | 'quarantined', required: `ok` when `start_position` continues the previous leg exactly, `inferred` when it was bridged, `first_seen` for the first leg recorded for the account and market, `quarantined` when the chain is broken and the leg is held out of position state.
    - `position_size_before` string: Lighter only: alias of `start_position`.
    - `position_size_after` string: Lighter only: alias of `end_position`.
    - `fee_rate` string, nullable: Lighter only: fee rate as a decimal ratio.
    - `fee_usdc` string, nullable: Lighter only: fee in the quote asset, computed from the notional and the fee rate.
    - `usdc_amount` string: Lighter only: notional of the leg in the quote asset.
    - `finalized` boolean, required: True when the leg is final and will not be re-derived.
  - `meta` PositionsMeta, required: Response metadata of the account positions routes. Every instant is RFC 3339 UTC with milliseconds and comes from the data, never the request time.
    - `count` integer, required: Number of records returned.
    - `next_cursor` string, nullable: Signed, opaque cursor for the next page, bound to the request; present exactly when `has_more` is `true`. Pass it back with the same parameters. A market cursor pins its snapshot; if that snapshot is replaced or expires the next page answers 409 `snapshot_advanced`.
    - `request_id` string, uuid, required: Unique request ID for support.
    - `as_of` string, date-time: Instant the returned state describes: the snapshot tick or hour, or the requested as-of time.
    - `snapshot_ts` string, date-time: Committed snapshot the response was read from. Market routes echo the resolved `hour` here.
    - `source` 'snapshot' | 'reconstructed' | 'changes': How the rows were produced: `snapshot` (live or hourly snapshot), `reconstructed` (as-of state between snapshots), or `changes` (change log).
    - `quality` string: Completeness of the snapshot the response was read from: `complete`, `partial`, or `degraded`. Rows carry their own `quality`. On Lighter and Robinhood Chain, snapshots from the latest day, before the venue's daily trade reconcile, can read `degraded` while their rows read `preliminary`; they read `complete` once the reconcile has run.
    - `stale` boolean: True on current reads when the latest snapshot is older than 12 minutes; paired with `notice`.
    - `built_through` string, date-time: Every event before this instant is built into the change log and as-of state. Reads are clamped to it.
    - `finalized_through` string, date-time: Every event before this instant is final and will not be re-derived (Lighter: the trade finalization watermark). Never later than `built_through`.
    - `requested_end` string, date-time: The `end` or `timestamp` the caller asked for, echoed when the read was clamped.
    - `clamped_to` string, date-time: Boundary the read was clamped to (`built_through`). Present only when clamped.
    - `totals` MarketPositionsSummary: Long and short aggregates of every open position in one market at one snapshot. Averages cover only positions with a known entry (`*_positions_with_entry`). Shares are decimal ratios of the side or total value held by the ten largest positions.
      - `snapshot_ts` string, date-time, nullable, required: Snapshot the aggregates describe.
      - `symbol` string, required
      - `coin` string, required: Alias of `symbol`.
      - `dex` string: HIP-3 only.
      - `long_count` integer, required
      - `short_count` integer, required
      - `long_size` string, required: Total long size in base units.
      - `short_size` string, required: Total short size in base units.
      - `long_value` string, nullable, required: Total long value in USD. Null when any long position has no mark.
      - `short_value` string, nullable, required: Total short value in USD. Null when any short position has no mark.
      - `long_avg_entry_price` string, nullable, required: Size-weighted average entry of long positions with a known entry.
      - `short_avg_entry_price` string, nullable, required: Size-weighted average entry of short positions with a known entry.
      - `long_positions_with_entry` integer, required
      - `short_positions_with_entry` integer, required
      - `long_top10_value_share` string, nullable, required: Share of long value held by the ten largest long positions.
      - `short_top10_value_share` string, nullable, required: Share of short value held by the ten largest short positions.
      - `top10_value_share` string, nullable, required: Share of total value held by the ten largest positions.
      - `quality` string, required: `complete`, `partial`, or `degraded`, from this market's own rows.
    - `coverage_from` string, date-time: Coverage start, present with `notice` when the request falls before coverage or the address has no recorded activity.
    - `notice` string: Human-readable advisory: before coverage, no recorded activity, or a stale snapshot.
    - `has_more` boolean: Cursor-paged routes: whether another page follows. `next_cursor` is present exactly when this is `true`. A final page can be empty when the previous page was exactly full; `has_more` is `false` on it.
    - `symbol` string: Per-symbol routes: the canonical public symbol the response describes (for example `BTC`, `xyz:TSLA`, `HYPE-USDC`, `#0`).
    - `venue` 'hyperliquid' | 'hip3' | 'hip4' | 'spot' | 'lighter' | 'rh-lighter': Per-symbol routes: the venue the response describes.

## Other responses

- `400`: Invalid request: a parameter, symbol, interval, cursor or time range failed validation. See `error_code`.
- `401`: Authentication required: the API key is missing or invalid.
- `403`: The request is outside the plan's history window or per-request span, or the key is not allowed to make it.
- `404`: Not found. `not_found`: the resource id is unknown. `unsupported_for_venue`: the venue does not offer this datatype (`available_on` names where it is served). `route_not_found`: no route matches the path.
- `429`: Rate limit, concurrency limit or monthly credits exceeded. See `error_code`.
- `503`: Positions, pagination, or an as-of reconstruction are temporarily unavailable (`error_code` `positions_unavailable`, `pagination_unavailable`, or `reconstruction_unavailable`). Retry shortly.
- `default`: Any other error. The body is an `ErrorResponse`; branch on `error_code`. A 503 (`upstream_unavailable`) carries `Retry-After`.

---

[API](https://skmtc.dev/0xarchive/apis/0xarchive-api-2.md) · [All operations](https://skmtc.dev/0xarchive/apis/0xarchive-api-2/llms.txt) · [OpenAPI document](https://skmtc.dev/0xarchive/apis/0xarchive-api-2/revisions/27076f55595f?raw)