API ReferenceFundamentals
Price history
/api/v3/fundamentals/prices- Plan
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fundamentals_prices
Historical OHLCV bars for one ticker at second/minute/hour/day/week/month granularity (interval_multiplier for e.g. 5-minute bars; start_date/end_date window, default limit 1000). Call this when the user asks for price history, returns over a window, or intraday bars; for the latest quote use /fundamentals/price_snapshot. CRYPTO: pass asset_class=crypto for BTC/ETH/SOL/LTC/LINK etc. Several crypto symbols are ALSO US-listed equity tickers (BTC is a Grayscale trust at ~$29; LINK is Interlink Electronics), so a bare ticker returns the EQUITY. Never use an equity price for a crypto asset. With no end_date the window runs through TODAY's session (real time; it used to end yesterday), and the newest bar may still be forming: partial:true, never a final close. data_through (= as_of) is how far the data runs: the last bar's end, capped at the fetch. session_complete is false while bars can still arrive in the window (the tape prints until 20:00 ET, or a later trading day is in it). No bars yet is a 200 with items [] (an answer, not an outage); end_date before start_date is a 422 invalid_date_range, and an impossible date (2026-09-31) a 422 invalid_date. Forex (C:) and crypto (X:) tickers on this path keep a UTC day: a day bar runs 00:00-24:00 UTC and is partial:true until it ends, and session_complete follows that UTC day. Equity bars from the primary source are SPLIT-ADJUSTED to the share basis in force when fetched (adjusted:true, adjustment_basis splits), not dividend-adjusted: a bar before a split is not the traded price. Bars the fallback source served say adjusted:null, adjustment_basis unverified. For as-traded daily prices with adjustment factors use /prices/history. Equity volume is whole shares from the daily aggregate (fractional-share trades rounded to the nearest share); forex and crypto volume is as the source counts it.
Parameters
Query
tickerstringRequiredasset_classstringOptional'crypto' returns the real crypto asset; omit or 'equity' returns the US-listed equity of the same ticker.
equitycryptoequityintervalstringOptionalsecondminutehourdayweekmonthdayinterval_multiplierintegerOptional11 to 60start_datestringOptionalYYYY-MM-DD.
end_datestringOptionalYYYY-MM-DD.
limitintegerOptionalThe most recent N bars in the window.
10001 to 5000Response
A 200 is a JSON envelope: ok: true and this endpoint's own fields (see Fundamentals). It carries X-Request-ID, the credit headers (X-Credits-Cost, X-Credits-Remaining, X-Credits-Receipt, X-Credits-Settlement) and the rate-limit headers.
A 200 is billed even when it holds no data (an empty list, null, found: false), so check those fields. Pricing & credits explains the credit headers.
Errors
No error is billed. The body is { "ok": false, "error", "detail", "request_; read the code from error.
| Error | Meaning |
|---|---|
400 invalid_ticker | The request is malformed, for example a ticker that is not a symbol: invalid_ticker, refused before any credit is reserved, with param naming the parameter. Not billed. |
401 unauthorized | Missing or invalid API key. |
402 plan_required | Your plan does not include this tool, you are out of credits, or your workspace's spend cap paused its keys. plan_required names the plan that unlocks the tool; usage_exceeded means the credit balance is spent; spend_cap_reached means the key is paused until the cap resets or is raised: detail names the cap and the reset, cap_usd and resets_at (ISO 8601) carry them, and doc_url links pricing and credits. Not billed. |
403 scope_denied | This API key is limited to some products and this tool is not one of them. product names the tool's product and scopes the key's products. An upgrade does not change it: use a key whose scopes include the product, or change this key's scopes. Not billed. |
404 unknown_ticker | No data source lists this ticker, active or delisted: the market-data listing and the security master both say it does not exist. param names the parameter. Not billed. Best-effort: it is answered only when the route itself found nothing, and after 20 lookups of new symbols per API key per minute the route's own answer stands. |
422 validation | A parameter is missing, out of range or the wrong type; param names it. Not billed. |
429 rate_limited | Your plan's rate limit is spent for this window. Retry after Retry-After seconds. Not billed. |
503 paid_ | The data could not be served completely right now; retry later. Not billed. |
504 request_timeout | The request ran past the server's time budget; retry. Not billed. |
This table lists what the spec declares for this route. Error responses lists every code FIRM sends, with when to retry.