Offerings and capital raises

Crowdfunding Offerings - Form C

POSThttps://api.sec-api.io/form-c

Search every Form C filing published on SEC EDGAR since May 2016, when XML submission of Form C became mandatory. Form C is the disclosure document a company files to launch a Regulation Crowdfunding campaign, and the API returns the issuer, the offering terms and the financial disclosures as structured JSON.

Read the guide for this API →

Authentication

Send the API key either as a header or as a query parameter. The header is preferred; the query parameter exists for cases where a header cannot be set, such as opening a URL directly in a browser.

Authorization: required header

The API key on its own. Do not prefix it with Bearer or any other word.

Example Authorization: YOUR_API_KEY

token: optional query parameter

The API key, appended to the URL. Use this only when a header is not possible.

Request body

A JSON object. Content-Type must be application/json.

query: required string

The search expression in Lucene syntax, written as field:value. Every field listed under Searchable fields can be used, combined with AND, OR, ranges and wildcards.

Example offeringInformation.securityOfferedType:"Common Stock"

from: string, Maximum 10000

Index of the first result to return, used for pagination. Increment by the value of size to page through results.

Default "0"

size: string, Maximum 50

Number of Form C filings to return in one response.

Default "50"

sort: array of object

Sort order. Each item maps one field to an order object, for example [{ "filedAt": { "order": "desc" } }].

Default [{ "filedAt": { "order": "desc" } }]

order: string

Either asc or desc.

Searchable fields

Every field below can be used inside query. 80 fields are searchable, and they match the structure of the objects returned in the response.

FieldDescription
accessionNoFiling accession number
fileNoSEC file number tracking the offering, e.g. "020-34763"
formTypeForm type — "C", "C/A", "C-U", "C-W", "C-AR", "C-AR/A", "C-TR", …
filedAtTimestamp the filing was accepted by EDGAR
periodOfReportReporting period covered (YYYY-MM-DD)
cikIssuer CIK (leading zeros stripped)
tickerIssuer ticker (if publicly traded at filing time)
companyNameIssuer legal name as filed

Response

A JSON object. Nested attributes are collapsed; expand one to see its fields.

total: object

How many Form C filings matched the query.

value: integer

Number of matching filings, capped at 10000. A value of 10000 with relation gte means more than 10000 filings matched.

relation: string

Either eq, meaning value is exact, or gte, meaning value is a floor.

data: array of object

The matching Form C filings, at most size per response and never more than 50.

id: string

Internal unique identifier of the filing record.

accessionNo: string

Accession number of the Form C filing, for example 0001277575-24-000006.

fileNo: string

SEC file number that tracks filings belonging to the same offering process, for example 020-34763.

formType: string

Form type of the filing: C, C-W, C-U, C-U-W, C/A, C/A-W, C-AR, C-AR-W, C-AR/A, C-AR/A-W, C-TR or C-TR-W.

filedAt: string

Timestamp EDGAR accepted the filing, ISO 8601 in Eastern Time, for example 2026-03-31T18:45:06-04:00.

periodOfReport: optional string

Reporting period covered by the submission, YYYY-MM-DD. On annual reports this is the fiscal year end.

cik: string

CIK of the reporting entity, leading zeros removed.

ticker: string

Ticker of the filer at the time of filing, when the filer is publicly traded. An empty string otherwise.

companyName: string

Legal name of the issuer as given in the filing.

Status codes

200Success. The response holds total and data.
400The request body could not be parsed, or the Lucene expression in query is malformed.
403The API key is missing, or it is not valid.
429Too many requests. Slow the request rate and retry.
500Server error. Retry, and report it if it persists.