Polygon Snapshot API
The Snapshot API from Polygon — 1 operation(s) for snapshot.
Work with this as data
Every API here is available over the APIs.io API and to AI agents over MCP.
MCP server
One button, every client — Claude, Cursor, VS Code and the rest.
https://apis.io/mcp
Tools for apis
7 MCP tools reach this
find_apisBrowse and filter every API in the catalog.get_api_artifactsOne API's artifacts, grouped by type.get_openapiThe primary OpenAPI for this API.find_similar_apisAPIs that look like this one.apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.resolveTurn a domain, URL or GitHub org into the provider it belongs to.find_cohortsEvery scored population of providers in the catalog.
Call it yourself
curl for this page
This API
curl "https://apis.io/api/v1/apis/polygon-snapshot-api"
All apis
curl "https://apis.io/api/v1/apis?limit=25"Discovery needs no key. Ratings and market analysis are Pro.
Get an API key
Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.
A second provider on the same verified email joins the account you already have.
OpenAPI Specification
openapi: 3.2.0
info:
description: The future of fintech.
title: Polygon Snapshot API
version: 1.0.0
servers:
- description: Polygon Platform API
url: https://api.polygon.io
- description: Polygon Platform API (Staging)
url: https://api.staging.polygon.io
security:
- apiKey: []
tags:
- name: Snapshot
paths:
/v3/snapshot:
get:
description: Get snapshots for assets of all types
operationId: Snapshots
parameters:
- description: Search a range of tickers lexicographically.
in: query
name: ticker
schema:
type: string
x-polygon-filter-field:
anyOf:
description: 'Comma separated list of tickers, up to a maximum of 250. If no tickers are passed then all results will be returned in a paginated manner.
Warning: The maximum number of characters allowed in a URL are subject to your technology stack.
'
enabled: true
example: NCLH,O:SPY250321C00380000,C:EURUSD,X:BTCUSD,I:SPX
range: true
type: string
- description: Query by the type of asset.
in: query
name: type
schema:
enum:
- stocks
- options
- crypto
- fx
- indices
type: string
- description: Range by ticker.
in: query
name: ticker.gte
schema:
type: string
- description: Range by ticker.
in: query
name: ticker.gt
schema:
type: string
- description: Range by ticker.
in: query
name: ticker.lte
schema:
type: string
- description: Range by ticker.
in: query
name: ticker.lt
schema:
type: string
- description: 'Comma separated list of tickers, up to a maximum of 250. If no tickers are passed then all results will be returned in a paginated manner.
Warning: The maximum number of characters allowed in a URL are subject to your technology stack.
'
example: NCLH,O:SPY250321C00380000,C:EURUSD,X:BTCUSD,I:SPX
in: query
name: ticker.any_of
schema:
type: string
- description: Order results based on the `sort` field.
in: query
name: order
schema:
enum:
- asc
- desc
example: asc
type: string
- description: Limit the number of results returned, default is 10 and max is 250.
in: query
name: limit
schema:
default: 10
example: 10
maximum: 250
minimum: 1
type: integer
- description: Sort field used for ordering.
in: query
name: sort
schema:
default: ticker
enum:
- ticker
example: ticker
type: string
responses:
'200':
content:
application/json:
example:
request_id: abc123
results:
- break_even_price: 171.075
details:
contract_type: call
exercise_style: american
expiration_date: '2022-10-14'
shares_per_contract: 100
strike_price: 5
underlying_ticker: NCLH
fmv: 0.05
fmv_last_updated: 1636573458757383400
greeks:
delta: 0.5520187372272933
gamma: 0.00706756515659829
theta: -0.018532772783847958
vega: 0.7274811132998142
implied_volatility: 0.3048997097864957
last_quote:
ask: 21.25
ask_exchange: 12
ask_size: 110
bid: 20.9
bid_exchange: 10
bid_size: 172
last_updated: 1636573458756383500
midpoint: 21.075
timeframe: REAL-TIME
last_trade:
conditions:
- 209
exchange: 316
price: 0.05
sip_timestamp: 1675280958783136800
size: 2
timeframe: REAL-TIME
market_status: closed
name: NCLH $5 Call
open_interest: 8921
session:
change: -0.05
change_percent: -1.07
close: 6.65
decimal_volume: '67.0'
early_trading_change: -0.01
early_trading_change_percent: -0.03
high: 7.01
late_trading_change: -0.4
late_trading_change_percent: -0.02
low: 5.42
open: 6.7
previous_close: 6.71
regular_trading_change: -0.6
regular_trading_change_percent: -0.5
volume: 67
ticker: O:NCLH221014C00005000
type: options
underlying_asset:
change_to_break_even: 23.123999999999995
last_updated: 1636573459862384600
price: 147.951
ticker: AAPL
timeframe: REAL-TIME
- fmv: 0.05
fmv_last_updated: 1636573458757383400
last_minute:
close: 412.05
decimal_volume: '610.0'
high: 412.1
low: 412.05
open: 412.1
transactions: 26
volume: 610
vwap: 412.0881
last_quote:
ask: 21.25
ask_exchange: 300
ask_size: 110
bid: 20.9
bid_exchange: 323
bid_size: 172
last_updated: 1636573458756383500
timeframe: REAL-TIME
last_trade:
conditions:
- 209
decimal_size: '2.0'
exchange: 316
id: '4064'
last_updated: 1675280958783136800
price: 0.05
size: 2
timeframe: REAL-TIME
market_status: closed
name: Apple Inc.
session:
change: -1.05
change_percent: -4.67
close: 21.4
decimal_volume: '37.0'
early_trading_change: -0.39
early_trading_change_percent: -0.07
high: 22.49
late_trading_change: 1.2
late_trading_change_percent: 3.92
low: 21.35
open: 22.49
previous_close: 22.45
volume: 37
ticker: AAPL
type: stocks
- error: NOT_FOUND
message: Ticker not found.
ticker: TSLAAPL
status: OK
schema:
properties:
next_url:
description: If present, this value can be used to fetch the next page of data.
type: string
request_id:
description: A request id assigned by the server.
type: string
results:
description: An array of results containing the requested data.
items:
properties:
break_even_price:
description: The price of the underlying asset for the contract to break even. For a call, this value is (strike price + premium paid). For a put, this value is (strike price - premium paid).
format: double
type: number
details:
description: The details for this contract.
properties:
contract_type:
description: The type of contract. Can be "put", "call", or in some rare cases, "other".
enum:
- put
- call
- other
type: string
exercise_style:
description: The exercise style of this contract. See <a rel="nofollow" target="_blank" href="https://en.wikipedia.org/wiki/Option_style">this link</a> for more details on exercise styles.
enum:
- american
- european
- bermudan
type: string
expiration_date:
description: The contract's expiration date in YYYY-MM-DD format.
format: date
type: string
x-polygon-go-type:
name: IDaysPolygonDateString
path: github.com/polygon-io/ptime
shares_per_contract:
description: The number of shares per contract for this contract.
type: number
strike_price:
description: The strike price of the option contract.
format: double
type: number
required:
- contract_type
- exercise_style
- expiration_date
- shares_per_contract
- strike_price
type: object
error:
description: The error while looking for this ticker.
type: string
fmv:
description: 'Fair Market Value is only available on Business plans. It is our proprietary algorithm to generate a real-time, accurate, fair market value of a tradable security.
For more information, <a rel="nofollow" target="_blank" href="https://massive.com/contact">contact us</a>.'
type: number
fmv_last_updated:
description: If Fair Market Value (FMV) is available, this field is the nanosecond timestamp of the last FMV calculation.
format: int64
type: integer
x-polygon-go-type:
name: INanoseconds
path: github.com/polygon-io/ptime
greeks:
description: 'The greeks for this contract.
There are certain circumstances where greeks will not be returned, such as options contracts that are deep in the money.
See this <a href="https://massive.com/blog/greeks-and-implied-volatility/#testing"
alt="link">article</a> for more information.'
properties:
delta:
description: The change in the option's price per $0.01 increment in the price of the underlying asset.
format: double
type: number
gamma:
description: The change in delta per $0.01 change in the price of the underlying asset.
format: double
type: number
theta:
description: The change in the option's price per day.
format: double
type: number
vega:
description: The change in the option's price per 1% increment in volatility.
format: double
type: number
required:
- delta
- gamma
- theta
- vega
type: object
x-polygon-go-type:
name: Greeks
implied_volatility:
description: The market's forecast for the volatility of the underlying asset, based on this option's current price.
format: double
type: number
last_minute:
description: The most recent minute aggregate for this stock.
properties:
close:
description: The closing value for the minute aggreate.
format: double
type: number
decimal_volume:
description: The trading volume for the minute aggregate with decimal precision. This field provides support for fractional shares, representing volume as a decimal string where the fractional part is expressed in millionths. This field is only returned for stocks snapshots.
type: string
high:
description: The highest value for the minute aggregate.
format: double
type: number
low:
description: The lowest value for the minute aggregate.
format: double
type: number
open:
description: The open value for the minute aggregate.
format: double
type: number
transactions:
description: The number of transactions that took place within the minute aggregate.
format: int32
type: integer
volume:
description: The trading volume for the minute aggregate.
format: double
type: number
vwap:
description: The trading volume weighted average price for the minute aggregate.
format: double
type: number
x-polygon-go-id: VWAP
required:
- close
- high
- low
- open
- volume
- transactions
- vwap
type: object
x-polygon-go-type:
name: StocksLastMinute
last_quote:
description: The most recent quote for this contract. This is only returned if your current plan includes quotes.
properties:
ask:
description: The ask price.
format: double
type: number
ask_exchange:
description: The ask side exchange ID. See <a href="https://massive.com/docs/rest/options/market-operations/exchanges" alt="Exchanges">Exchanges</a> for Massive's mapping of exchange IDs.
type: integer
ask_size:
description: The ask size. This represents the number of round lot orders at the given ask price. The normal round lot size is 100 shares. An ask size of 2 means there are 200 shares available to purchase at the given ask price.
format: double
type: number
bid:
description: The bid price.
format: double
type: number
bid_exchange:
description: The bid side exchange ID. See <a href="https://massive.com/docs/rest/options/market-operations/exchanges" alt="Exchanges">Exchanges</a> for Massive's mapping of exchange IDs.
type: integer
bid_size:
description: The bid size. This represents the number of round lot orders at the given bid price. The normal round lot size is 100 shares. A bid size of 2 means there are 200 shares for purchase at the given bid price.
format: double
type: number
last_updated:
description: The nanosecond timestamp of when this information was updated.
format: int64
type: integer
x-polygon-go-type:
name: INanoseconds
path: github.com/polygon-io/ptime
midpoint:
description: The average of the bid and ask price.
format: double
type: number
timeframe:
description: The time relevance of the data.
enum:
- DELAYED
- REAL-TIME
type: string
required:
- ask
- bid
- last_updated
- timeframe
type: object
x-polygon-go-type:
name: SnapshotLastQuote
last_trade:
description: The most recent quote for this contract. This is only returned if your current plan includes trades.
properties:
conditions:
description: A list of condition codes.
items:
description: 'The condition code. These are the conditions of this message. See
[Condition Mappings](https://massive.com/docs/rest/stocks/market-operations/condition-codes)
for a mapping to exchange conditions.'
format: int32
type: integer
type: array
decimal_size:
description: The size of a trade, including fractional shares, represented as a decimal string where the fractional part is expressed in millionths. This field is only returned for stocks snapshots.
type: string
exchange:
description: The exchange ID. See <a href="https://massive.com/docs/rest/stocks/market-operations/exchanges" alt="Exchanges">Exchanges</a> for Massive's mapping of exchange IDs.
type: integer
id:
description: 'The Trade ID which uniquely identifies a trade. These are unique per combination of ticker, exchange, and TRF. For example: A trade for AAPL executed on NYSE and a trade for AAPL executed on NASDAQ could potentially have the same Trade ID.'
type: string
last_updated:
description: The nanosecond timestamp of when this information was updated.
format: int64
type: integer
x-polygon-go-type:
name: INanoseconds
path: github.com/polygon-io/ptime
participant_timestamp:
description: The nanosecond Exchange Unix Timestamp. This is the timestamp of when the trade was generated at the exchange.
format: int64
type: integer
x-polygon-go-type:
name: INanoseconds
path: github.com/polygon-io/ptime
price:
description: 'The price of the trade. This is the actual dollar value per whole share of
this trade. A trade of 100 shares with a price of $2.00 would be worth a
total dollar value of $200.00.'
format: double
type: number
sip_timestamp:
description: The nanosecond accuracy SIP Unix Timestamp. This is the timestamp of when the SIP received this trade from the exchange which produced it.
format: int64
type: integer
size:
description: The size of a trade (also known as volume).
format: int32
type: integer
timeframe:
description: The time relevance of the data.
enum:
- DELAYED
- REAL-TIME
type: string
required:
- price
- size
type: object
x-polygon-go-type:
name: SnapshotLastTrade
last_updated:
description: The nanosecond timestamp of when this information was updated.
format: int64
type: integer
market_status:
description: 'The market status for the market that trades this ticker. Possible values for stocks, options, crypto, and forex snapshots are open, closed, early_trading, or late_trading.
Possible values for indices snapshots are regular_trading, closed, early_trading, and late_trading.'
type: string
message:
description: The error message while looking for this ticker.
type: string
name:
description: The name of this contract.
type: string
open_interest:
description: The quantity of this contract held at the end of the last trading day.
format: double
type: number
session:
description: Comprehensive trading session metrics, detailing price changes, trading volume, and key price points (open, close, high, low) for the asset within the current trading day. Includes specific changes during early, regular, and late trading periods to enable detailed performance analysis and trend tracking.
properties:
change:
description: The value of the price change for the asset from the previous trading day.
format: double
type: number
change_percent:
description: The percent of the price change for the asset from the previous trading day.
format: double
type: number
close:
description: The closing price of the asset for the day.
format: double
type: number
decimal_volume:
description: The trading volume for the asset for the day with decimal precision. This field provides support for fractional shares, representing volume as a decimal string. This field is only returned for stocks snapshots.
type: string
early_trading_change:
description: Today's early trading change amount, difference between price and previous close if in early trading hours, otherwise difference between last price during early trading and previous close.
format: double
type: number
early_trading_change_percent:
description: Today's early trading change as a percentage.
format: double
type: number
high:
description: The highest price of the asset for the day.
format: double
type: number
late_trading_change:
description: Today's late trading change amount, difference between price and today's close if in late trading hours, otherwise difference between last price during late trading and today's close.
format: double
type: number
late_trading_change_percent:
description: Today's late trading change as a percentage.
format: double
type: number
low:
description: The lowest price of the asset for the day.
format: double
type: number
open:
description: The open price of the asset for the day.
format: double
type: number
previous_close:
description: The closing price of the asset for the previous trading day.
format: double
type: number
price:
description: The price of the most recent trade or bid price for this asset.
format: double
type: number
regular_trading_change:
description: Today's change in regular trading hours, difference between current price and previous trading day's close, otherwise difference between today's close and previous day's close.
format: double
type: number
regular_trading_change_percent:
description: Today's regular trading change as a percentage.
format: double
type: number
volume:
description: The trading volume for the asset for the day.
format: double
type: number
required:
- change
- change_percent
- close
- high
- low
- open
- previous_close
type: object
x-polygon-go-type:
name: Session
ticker:
description: The ticker symbol for the asset.
type: string
timeframe:
description: The time relevance of the data.
enum:
- DELAYED
- REAL-TIME
type: string
type:
description: The asset class for this ticker.
enum:
- stocks
- options
- fx
- crypto
- indices
type: string
underlying_asset:
description: Information on the underlying stock for this options contract. The market data returned depends on your current stocks plan.
properties:
change_to_break_even:
description: The change in price for the contract to break even.
format: double
type: number
last_updated:
description: The nanosecond timestamp of when this information was updated.
format: int64
type: integer
x-polygon-go-type:
name: INanoseconds
path: github.com/polygon-io/ptime
price:
description: The price of the trade. This is the actual dollar value per whole share of this trade. A trade of 100 shares with a price of $2.00 would be worth a total dollar value of $200.00.
format: double
type: number
ticker:
description: The ticker symbol for the contract's underlying asset.
type: string
timeframe:
description: The time relevance of the data.
enum:
- DELAYED
- REAL-TIME
type: string
value:
description: The value of the underlying index.
format: double
type: number
required:
- ticker
- change_to_break_even
type: object
x-polygon-go-type:
name: UnderlyingAsset
value:
description: Value of Index.
type: number
required:
- ticker
type: object
x-polygon-go-type:
name: SnapshotResponseModel
type: array
status:
description: The status of this request's response.
type: string
required:
- status
- request_id
type: object
description: Snapshots for the ticker list
summary: Universal Snapshot
x-polygon-entitlement-allowed-timefra
# --- truncated at 32 KB (39 KB total) ---
# Full source: https://raw.githubusercontent.com/api-evangelist/polygon/refs/heads/main/openapi/polygon-snapshot-api-openapi.yml