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openapi: 3.2.0
info:
title: ProspectAPIs Launches API
summary: Funding signals and cited prospect research over one REST API.
description: 'The REST contract for ProspectAPIs: funding rounds you can filter and page, cited prospect research briefs, and funding watchlists that push new matches to a webhook. Built for sales teams and the AI agents that work for them.
Authentication is a bearer API key (`Authorization: Bearer pa_live_`), created in the dashboard. `GET /pricing`, `GET /health` and `GET /v1/version` need no key.
Every account starts with a one-time free balance (`signup_credit_usd` in `GET /pricing`), and every paid call draws from it at its own price: `GET /v1/funding` per returned record (a no-match is free), `POST /v1/email/verify` per valid or invalid result, `POST /v1/research` per completed brief. Paid responses carry `X-Credits-Remaining`. The live price list is `GET /pricing`; a key''s balance is `GET /v1/account`. This document describes shapes, not prices.'
version: 0.1.0
contact:
name: ProspectAPIs
url: https://prospectapis.com
email: emma@prospectapis.com
license:
name: Proprietary
url: https://prospectapis.com/terms
termsOfService: https://prospectapis.com/terms
servers:
- url: https://api.prospectapis.com
description: Production
security:
- bearerAuth: []
tags:
- name: Launches
description: 'Launch events as prospecting triggers: a company said it launched (stage post) or is about to (stage pre). Not available yet: 503 until GET /pricing reports launches available.'
paths:
/v1/launches:
get:
tags:
- Launches
summary: Search launch events
operationId: searchLaunches
description: 'Keyset-paginated launch events, newest launch first. Not available yet: answers 503 and charges nothing until GET /pricing reports launches available. Pass `next_cursor` back as `cursor` for the next page.'
parameters:
- $ref: '#/components/parameters/since'
- $ref: '#/components/parameters/until'
- name: stage
in: query
required: false
schema:
type: string
description: post, pre, or both comma-separated.
- name: launch_type
in: query
required: false
schema:
type: string
description: 'Comma-separated: new_company, new_product, major_version, feature.'
- $ref: '#/components/parameters/domain'
- $ref: '#/components/parameters/company'
- name: category
in: query
required: false
schema:
type: string
description: A category such as ai, saas or hardware.
- $ref: '#/components/parameters/country'
- $ref: '#/components/parameters/limit'
- $ref: '#/components/parameters/cursor'
responses:
'200':
description: A page of launch events.
content:
application/json:
schema:
$ref: '#/components/schemas/LaunchList'
example:
data:
- id: 6f0c2b1e-7a1d-4c55-9a3e-1b2c3d4e5f60
stage: post
company_domain: acme.com
source_url: https://acme.com
launched_at: '2026-11-01T12:00:00Z'
detected_at: '2026-11-01T12:00:00Z'
gate_version: gate version
next_cursor: next cursor
count: 1
headers:
RateLimit-Limit:
$ref: '#/components/headers/RateLimit-Limit'
RateLimit-Remaining:
$ref: '#/components/headers/RateLimit-Remaining'
RateLimit-Reset:
$ref: '#/components/headers/RateLimit-Reset'
'400':
$ref: '#/components/responses/BadRequest'
'401':
$ref: '#/components/responses/Unauthorized'
'402':
$ref: '#/components/responses/PaymentRequired'
'429':
$ref: '#/components/responses/RateLimited'
'503':
description: Launch events are not available yet (GET /pricing launches.available is false). Nothing is charged.
content:
application/json:
schema:
$ref: '#/components/schemas/Error'
x-agentic-access:
action-class: connected
consequence: read
subject: optional
token:
max-ttl: 3600
audit: none
/v1/launches/{id}:
get:
tags:
- Launches
summary: Get one launch event
operationId: getLaunch
description: 'One launch event by id. Not available yet: answers 503 and charges nothing until GET /pricing reports launches available; a missing id is a free 404.'
parameters:
- name: id
in: path
required: true
schema:
type: string
format: uuid
description: A launch id from GET /v1/launches.
responses:
'200':
description: The launch event.
content:
application/json:
schema:
type: object
required:
- data
properties:
data:
$ref: '#/components/schemas/Launch'
example:
data:
id: 6f0c2b1e-7a1d-4c55-9a3e-1b2c3d4e5f60
stage: post
company_domain: acme.com
source_url: https://acme.com
launched_at: '2026-11-01T12:00:00Z'
detected_at: '2026-11-01T12:00:00Z'
gate_version: gate version
headers:
RateLimit-Limit:
$ref: '#/components/headers/RateLimit-Limit'
RateLimit-Remaining:
$ref: '#/components/headers/RateLimit-Remaining'
RateLimit-Reset:
$ref: '#/components/headers/RateLimit-Reset'
'400':
$ref: '#/components/responses/BadRequest'
'401':
$ref: '#/components/responses/Unauthorized'
'404':
description: No launch event with that id. Free.
content:
application/json:
schema:
$ref: '#/components/schemas/Error'
'503':
description: Launch events are not available yet (GET /pricing launches.available is false). Nothing is charged.
content:
application/json:
schema:
$ref: '#/components/schemas/Error'
x-agentic-access:
action-class: connected
consequence: read
subject: optional
token:
max-ttl: 3600
audit: none
components:
responses:
Unauthorized:
description: The API key is missing or invalid.
content:
application/json:
schema:
$ref: '#/components/schemas/Error'
PaymentRequired:
description: Out of credits. The body carries `top_up_url`; nothing was charged.
content:
application/json:
schema:
$ref: '#/components/schemas/Error'
RateLimited:
description: Too many requests; retry after the window.
content:
application/json:
schema:
$ref: '#/components/schemas/Error'
BadRequest:
description: The request was invalid (e.g. a bad filter or input); nothing was charged.
content:
application/json:
schema:
$ref: '#/components/schemas/Error'
parameters:
country:
name: country
in: query
description: Headquarters country. A country name or any two-letter ISO 3166-1 code (United States, US, Germany, DE) matches country_code exactly; any other text, such as a city, matches the stated place (the record's location), case-insensitive.
schema:
type: string
maxLength: 60
limit:
name: limit
in: query
description: Page size, 1 to 100 (default 25).
schema:
type: integer
minimum: 1
maximum: 100
default: 25
example: 10
domain:
name: domain
in: query
description: Exact company domain, a bare domain such as `example.com`.
schema:
type: string
example: example.com
cursor:
name: cursor
in: query
description: The previous page's `next_cursor`, passed back unchanged.
schema:
type: string
company:
name: company
in: query
description: Case-insensitive substring match on the company name (1 to 100 characters).
schema:
type: string
maxLength: 100
since:
name: since
in: query
description: Only rounds announced on or after this date (inclusive), YYYY-MM-DD.
schema:
type: string
format: date
example: '2026-10-01'
until:
name: until
in: query
description: Only rounds announced on or before this date (inclusive), YYYY-MM-DD.
schema:
type: string
format: date
schemas:
Launch:
type: object
description: 'One launch event, a prospecting trigger: who launched what, the company domain, the founder or poster to contact, and the company''s funding, HQ, size and category. Carries a link to the company''s own post or page and derived fields only, never the post text or media. A record that fails the relevance gate or resolves no domain is never served; a duplicate is served free.'
required:
- id
- stage
- company_domain
- source_url
- launched_at
- detected_at
- gate_version
properties:
id:
type: string
format: uuid
stage:
type: string
enum:
- post
- pre
description: 'post: launched and usable now. pre: the company itself says it is about to launch; never a prediction.'
launch_type:
type:
- string
- 'null'
enum:
- new_company
- new_product
- major_version
- feature
- null
company_name:
type:
- string
- 'null'
company_domain:
type: string
example: acme.com
product_name:
type:
- string
- 'null'
category:
type:
- string
- 'null'
country_code:
type:
- string
- 'null'
description: ISO 3166-1 alpha-2, when known.
source_url:
type: string
format: uri
description: The company's own post or page.
launched_at:
type: string
format: date-time
detected_at:
type: string
format: date-time
person_ref:
type:
- string
- 'null'
description: An opaque reference to the founder or poster (per_ plus 24 hex). With `person_name` and `company_domain` it is the input to POST /v1/email/find and the people reads.
person_name:
type:
- string
- 'null'
description: The founder's or poster's public name.
poster_role:
type:
- string
- 'null'
enum:
- company
- founder
- employee
- null
gate_version:
type: string
description: The relevance gate version that passed this record.
updated_at:
type: string
format: date-time
company:
type:
- object
- 'null'
description: The launching company's context from its company profile, or null when no profile is built yet.
properties:
hq:
description: Headquarters as the company states it.
size:
type:
- string
- 'null'
description: Employee band, such as 11-50.
industry:
type:
- string
- 'null'
founded_year:
type:
- integer
- 'null'
funding:
type:
- object
- 'null'
description: The newest funding round we hold for the company domain, with the count and known total, or null when we hold none.
properties:
last_funding_id:
type:
- string
- 'null'
description: Pass to GET /v1/funding/{id}.
last_round:
type:
- string
- 'null'
last_round_stage:
type:
- string
- 'null'
last_amount_usd:
type:
- number
- 'null'
last_announced_at:
type:
- string
- 'null'
format: date
last_source_url:
type:
- string
- 'null'
format: uri
rounds_known:
type: integer
total_known_usd:
type:
- number
- 'null'
duplicate_of:
type:
- string
- 'null'
format: uuid
description: The id of an earlier record of the same launch (same company, same stage, within 7 days). A duplicate is served but never charged.
LaunchList:
type: object
required:
- data
- next_cursor
- count
properties:
data:
type: array
items:
$ref: '#/components/schemas/Launch'
next_cursor:
type:
- string
- 'null'
count:
type: integer
Error:
type: object
required:
- error
description: Every error answers with this shape. `error` is a human-readable message; `code` is a stable machine code when present.
properties:
error:
type: string
code:
type: string
description: A stable error code, e.g. INVALID_FILTER, INVALID_INPUT, INVALID_ID, NOT_FOUND, INSUFFICIENT_CREDITS, WATCHLIST_LIMIT, RATE_LIMITED.
message:
type: string
description: Extra guidance on some errors (401, 402).
field:
type: string
description: The offending field, on some 400s.
top_up_url:
type: string
format: uri
description: Where to add credits, on a 402.
additionalProperties: true
headers:
RateLimit-Limit:
description: Requests this API key may make per minute.
schema:
type: integer
RateLimit-Reset:
description: Seconds until the current window resets.
schema:
type: integer
RateLimit-Remaining:
description: Requests left in the current one-minute window.
schema:
type: integer
securitySchemes:
bearerAuth:
type: http
scheme: bearer
description: 'Your API key as a bearer token: `Authorization: Bearer pa_live_<48 hex>`. Create and manage keys in the dashboard at https://prospectapis.com.'
externalDocs:
description: API reference and quickstart
url: https://prospectapis.com/docs