Massive (formerly Polygon.io) Reference API

Reference API

Operations 14

Each operation below carries the questions people ask an LLM about it and the instructions they give an agent to run it. Generated by API Evangelist overlay

GET /stocks/filings/10-K/vX/sections Read sections of 10-K filings (vX) · Get stocks filings 10 K v X sections #
Ask an LLM
“Can I pull the raw text of a specific section, like risk factors or MD&A, from a company's 10-K?”
“Where can I read the business description section of an annual report?”
Tell an agent
Get 10-K section text for {ticker} using the vX sections endpoint.
Pull the {section} section from {ticker}'s 10-K filings via vX.
GET /stocks/filings/10-K/vX_0/sections Read sections of 10-K filings (vX_0 variant) · Get stocks filings 10 K v X 0 sections #
Ask an LLM
“Is there a vX_0 version of the 10-K sections endpoint I can call instead?”
“Can I fetch annual report section text by CIK from the vX_0 path?”
Tell an agent
Get 10-K section text for CIK {cik} from the vX_0 endpoint.
Pull the {section} section filed on {filing_date} using vX_0.
GET /stocks/filings/8-K/vX/disclosures Get categorized 8-K disclosures · Get stocks filings 8 K v X disclosures #
Ask an LLM
“What kind of material event did a company disclose in its latest 8-K?”
“Can I find 8-K filings tagged with a specific disclosure category?”
Tell an agent
List categorized 8-K disclosures for {tickers}.
Find 8-K disclosures in tertiary category {tertiary_category}.
GET /stocks/filings/8-K/vX/text Read the text of 8-K current reports · Get stocks filings 8 K v X text #
Ask an LLM
“Can I read the full parsed text of a company's 8-K about an acquisition or executive change?”
“What did a company announce in the 8-K it filed on a given date?”
Tell an agent
Get parsed 8-K filing text for {ticker}.
Show 8-K text filed by {ticker} on {filing_date}.
GET /stocks/filings/vX/13-F Get institutional 13F holdings filings · Get stocks filings v X 13 F #
Ask an LLM
“What stocks does a large institutional investment manager hold?”
“Which 13F reports were filed in the last quarter?”
Tell an agent
Get 13F holdings filed by manager CIK {filer_cik}.
List 13F filings submitted on {filing_date}.
GET /stocks/filings/vX/form-3 Get Form 3 initial insider ownership filings · Get stocks filings v X form 3 #
Ask an LLM
“Who became a new insider at a company and filed an initial ownership statement?”
“Can I see Form 3 filings by a newly appointed director?”
Tell an agent
List Form 3 initial ownership filings for {tickers}.
Show Form 3 filings by insider CIK {owner_cik}.
GET /stocks/filings/vX/form-4 Get Form 4 insider transaction filings · Get stocks filings v X form 4 #
Ask an LLM
“Have any executives bought or sold shares of a stock recently?”
“Can I filter insider trades by transaction code, like open-market purchases?”
Tell an agent
List Form 4 insider transactions for {tickers}.
Show Form 4 filings with transaction code {transaction_code}.
GET /stocks/filings/vX/index Search the SEC EDGAR filings index · Get stocks filings v X index #
Ask an LLM
“Where can I find links to every SEC filing a company has made?”
“Which forms did a company file with the SEC on a certain date?”
Tell an agent
List EDGAR index entries for {ticker}.
Find {form_type} filings in the EDGAR index filed on {filing_date}.
GET /stocks/filings/vX/risk-factors Get risk factors from a company's 10-K · Get stocks filings v X risk factors #
Ask an LLM
“What risk factors did a company identify in its annual report?”
“Have a company's disclosed risks changed since last year's 10-K?”
Tell an agent
Get the 10-K risk factors for {ticker}.
Show risk factors disclosed by CIK {cik} since {filing_date_gte}.
GET /stocks/taxonomies/vX/disclosures List the 8-K disclosure classification taxonomy · Get stocks taxonomies v X disclosures #
Ask an LLM
“What categories are used to classify 8-K disclosures?”
“Which secondary categories sit under a primary 8-K disclosure category?”
Tell an agent
List the 8-K disclosure taxonomy.
Show 8-K disclosure classifications under primary category {primary_category}.
GET /stocks/taxonomies/vX/risk-factors List the risk factor classification taxonomy · Get stocks taxonomies v X risk factors #
Ask an LLM
“What categories are used to classify 10-K risk factors?”
“Which tertiary risk classifications fall under a secondary risk category?”
Tell an agent
List the risk factor taxonomy.
Show risk factor classifications under secondary category {secondary_category}.
GET /stocks/v1/short-interest Get FINRA short interest for a stock · Get stocks v1 short interest #
Ask an LLM
“How many shares of a stock are sold short as of the last settlement date?”
“Which stocks have a days-to-cover ratio above 10?”
Tell an agent
Get short interest for {ticker}.
Find stocks with days to cover above {days_to_cover_gt}.
GET /stocks/v1/short-volume Get daily short sale volume · Get stocks v1 short volume #
Ask an LLM
“What share of today's trading volume in a stock was short selling?”
“Which tickers had a short volume ratio above half on a given day?”
Tell an agent
Get daily short volume for {ticker}.
Show short volume for {ticker} on {date}.
GET /stocks/vX/float Get a stock's free float · Get stocks v X float #
Ask an LLM
“How many shares of a company are actually available for public trading?”
“Which stocks have a free float below 20 percent?”
Tell an agent
Get the free float for {ticker}.
List stocks with free float percent under {free_float_percent_lt}.

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OpenAPI Specification

massive-com-reference-api-openapi.yml Raw ↑
openapi: 3.2.0
info:
  description: The future of fintech.
  title: Polygon Reference 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:
- description: Reference API
  name: Reference
  x-polygon-sub-tags:
  - tickers:list
  - tickers:types
  - tickers:get
  - options:contracts:list
  - news
  - tickers
  - stocks
  - sec:filings
  - sec:filing
  - sec:filing:files
  - sec:filing:file
  - stocks:market
  - conditions
  - stocks:meta:exchanges
  - crypto


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# Full source: https://raw.githubusercontent.com/api-evangelist/massive-com/refs/heads/main/openapi/massive-com-reference-api-openapi.yml