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/api/rich-list/:chain/flow
GETDegraded

Multi-chain rich-list balance changes

Multi-chain rich-list balance changes

GET/api/rich-list/:chain/flow
Partial coverage. The address-ranking source stopped updating; the last snapshot is returned with its original timestamp. Treat the data as historical until the timestamp moves again.
Degraded. The newest data point is 6148422 s old (expected within 259200 s)

Request

Query parameters

NameTypeRequiredDefaultAllowed valuesDescription
chain pathstringRequired—eth, tron, bsc, polygon, arbitrum, doge, ltc, dash, aptos, bch, avalanche, optimism, base, tonChain id; 400 if unsupported. Example: eth
selfstringOptional—1=1 includes transfers between listed addresses.
limitintegerOptional50≥ 1 · ≤ 200Number of rows to return. Example: 50

Parameters marked “path” are part of the URL.

Example request

curl -s "https://www.coinboss.com/api/rich-list/eth/flow?limit=50"

Response fields

The field table is generated from real responses, so it lists exactly what the endpoint returns. Paths use a[] for array items and {*} for objects keyed by a dynamic name such as a coin or an exchange.

FieldTypeUnitDescription
successboolean—true when the request succeeded. On failure the body is `{ success: false, code, error, request_id }`.
chainstring—Chain id.
availableboolean—Whether data is available.
srcstring—Source.
unitstring—Unit of the values in this object.
summaryobject—Summary block.
summary.in_usd_24hnumberUSDUSD value of recorded inflows to the tracked large addresses of the chain in the last 24 hours; 0 also when no record exists in the window.
summary.out_usd_24hnumberUSDUSD value of recorded outflows from the tracked large addresses of the chain in the last 24 hours; 0 also when no record exists in the window.
summary.net_usd_24hnumberUSD`in_usd_24h` − `out_usd_24h`.
summary.count_24hnumber—Count over 24 hours.
dataarray—Payload.
data[]object—Payload.
data[].addressstring—On-chain address.
data[].amountnumber—Amount.
data[].usd_valuenumberUSDUSD value of the balance change (positive); null when the source did not publish it.
data[].directionstring—`in` when the address balance increased, `out` when it decreased.
data[].tx_hashstring—Hash of the transaction; null when the source did not provide one.
data[].tsnumbermsTimestamp.

Generated 2026-11-11 23:01 UTC from 1 real responses.

Example response

/api/rich-list/eth/flow?limit=50 · Real response captured 2026-11-13 03:53:41 UTC. Long arrays and maps are shortened for display: data had 50 items.

  • {
    • "success": true,
    • "chain": "eth",
    • "available": true,
    • "src": "oklink",
    • "unit": "ETH",
    • "summary": {
      • "in_usd_24h": 0,
      • "out_usd_24h": 0,
      • "net_usd_24h": 0,
      • "count_24h": 0
      },
    • "data": [
      • { … 6 },
      • { … 6 }
      ]
    }

Details

Authentication
None. Public endpoint.
Rate limit
1200 requests per minute per IP
Server cache
60s
Edge micro-cache
10s
Update frequency
scheduled every 20 min, but the default source has failed since about 2026-09-03
Window
most recent stored rows (default source frozen at about 2026-09-03)
Data sources
Large holder balance changes per chain; default rows come from a discontinued scraped source and are stale.
Exchange coverage
Chains: eth, tron, bsc, polygon, arbitrum, doge, ltc, dash, aptos, bch, avalanche, optimism, base, ton; `available: false` when a chain has no rows.
Pagination
`limit` default 50, max 200; no offset.
Sorting
time descending
Units
native coin units and USD
Method
With `self=1`, flows are derived by diffing consecutive top-holder snapshots.
Timestamps
Unix epoch milliseconds (UTC) unless the field description says otherwise
Response format
json
Stability
Stable

Live status

DegradedChecked 2026-11-13 03:53:41 UTCHTTP 20042 msSchema matchesNewest data point 71.2d old

The newest data point is 6148422 s old (expected within 259200 s)

Availability, last 30 days

100% of 407 checks passed

Errors

Failed calls share one shape on every endpoint. The full list is on the errors page. Errors and rate limits →

CodeHTTPMeaningWhat to do
INVALID_PARAM400A required parameter is missing or a value is not accepted. `param` names the parameter when it is known.Do not retry unchanged; fix the request.
UNAUTHORIZED401The `CB-API-KEY` header was sent but the key is unknown or revoked. Public data needs no key — drop the header or use a valid key.Do not retry unchanged.
FORBIDDEN403The route is not part of the public API (internal or account-only).Do not retry.
NOT_FOUND404Unknown route, or the requested coin / exchange / fund does not exist.Do not retry; check the path and identifiers against the catalog.
RATE_LIMITED429More requests than the per-minute limit. `Retry-After` gives the seconds to wait.Wait for `Retry-After`, then retry with backoff.
INTERNAL500Unexpected server error. The message is generic by design; quote `request_id` when reporting it.Retry once after a few seconds; report it with the request id if it persists.
UPSTREAM_FAILED503The data source behind this endpoint did not answer in time. No stale or substitute numbers are returned in its place.Retry with backoff; check the status page.
UNAVAILABLE501 / 503The dataset is temporarily not ready (cache warming) or the endpoint has no lawful public source yet.Retry later; the catalog marks endpoints that are unavailable by design.
REQUEST_FAILED200Some older endpoints answer HTTP 200 with `success: false`. Always check `success`, not only the HTTP status.Depends on the message; treat as a failed request.

Try it

GET/api/rich-list/:chain/flowDegraded
Parameters

string — Chain id; 400 if unsupported.

string — =1 includes transfers between listed addresses.

integer · default 50 · min 1 · max 200 — Number of rows to return.

Request URLhttps://www.coinboss.com/api/rich-list/eth/flow?limit=50
Choose an endpoint and press “Send request”. The response, headers and timing will appear here.