> ## Documentation Index
> Fetch the complete documentation index at: https://docs.cryptorank.io/llms.txt
> Use this file to discover all available pages before exploring further.
# Fund Co-Investors
> Returns funds that participated alongside this fund in the same rounds.
Available from: Business
Cost: 1 credit per request
Without from/to — all shared rounds across all time.
With from/to — only rounds within the window; a co-investor with no shared rounds in the window is dropped from the list.
## OpenAPI
````yaml https://api.cryptorank.io/v3/documentation-json get /v3/funds/{id}/co-investors
openapi: 3.0.0
info:
title: Cryptorank API V3
description: >
# Overview
Cryptorank Public API v3 — comprehensive cryptocurrency data for B2B clients
and partners.
Useful Links:
- [API Plans](https://cryptorank.io/public-api)
- [Dashboard](https://cryptorank.io/public-api/dashboard)
# Getting Started
Primary Server URL:
[https://api.cryptorank.io/v3/](https://api.cryptorank.io/v3/)
**Authentication**
Generate an API key in the
[dashboard](https://cryptorank.io/public-api/dashboard) and pass it in the
`X-Api-Key` header.
Keep your keys secret — never commit them to public repositories or expose
them in client-side code.
version: 3.0.0
contact:
name: Cryptorank Team
url: https://cryptorank.io
email: info@cryptorank.io
servers:
- url: https://api.cryptorank.io
security: []
tags: []
paths:
/v3/funds/{id}/co-investors:
get:
tags:
- Funds
summary: Fund Co-Investors
description: >-
**Description**
Returns funds that participated alongside this fund in the same rounds.
> **Note:** Without from/to — all shared rounds across all time.
With from/to — only rounds within the window; a co-investor with no
shared rounds in the window is dropped from the list.
**Access**
- Available from: **Business**
- Cost: 1 credit per request
operationId: FundsController_getCoInvestors
parameters:
- name: id
required: true
in: path
description: Fund ID
schema:
type: integer
minimum: 1
example: 1
- name: from
required: false
in: query
description: >-
Lower bound on the shared-round date (inclusive). Accepts ISO 8601
string or Unix timestamp (sec/ms). Omit for no lower bound.
schema:
example: '2024-01-01T00:00:00.000Z'
type: string
- name: to
required: false
in: query
description: >-
Upper bound on the shared-round date (inclusive). Accepts ISO 8601
string or Unix timestamp (sec/ms). Bare `YYYY-MM-DD` is coerced to
end-of-day UTC. Omit for no upper bound.
schema:
example: '2024-12-31T23:59:59.999Z'
type: string
- name: sortBy
required: false
in: query
description: Sort field.
schema:
default: jointRoundsCount
type: string
enum:
- jointRoundsCount
- lastJointRoundDate
- tier
- name: sortOrder
required: false
in: query
description: Sort direction.
schema:
default: desc
type: string
enum:
- asc
- desc
responses:
'200':
description: ''
content:
application/json:
schema:
type: object
required:
- data
- status
properties:
data:
type: array
items:
$ref: '#/components/schemas/FundCoInvestorItemDto'
status:
$ref: '#/components/schemas/ResponseStatusDto'
'400':
description: Request validation failed
content:
application/json:
schema:
type: object
required:
- error
properties:
error:
type: object
required:
- code
- message
- status
properties:
code:
type: string
enum:
- VALIDATION_ERROR
example: VALIDATION_ERROR
message:
type: string
example: Validation failed
status:
type: number
example: 400
'401':
description: API key is missing or invalid
content:
application/json:
schema:
type: object
required:
- error
properties:
error:
type: object
required:
- code
- message
- status
properties:
code:
type: string
enum:
- API_KEY_MISSING
- API_KEY_INVALID
example: API_KEY_MISSING
message:
type: string
example: API key is missing
status:
type: number
example: 401
'403':
description: >-
No active subscription, the endpoint is not available in your plan,
or the request goes beyond what your plan allows
content:
application/json:
schema:
type: object
required:
- error
properties:
error:
type: object
required:
- code
- message
- status
properties:
code:
type: string
enum:
- NO_ACTIVE_SUBSCRIPTION
- ENDPOINT_NOT_AVAILABLE
- PLAN_LIMIT_EXCEEDED
example: NO_ACTIVE_SUBSCRIPTION
message:
type: string
example: No active subscription found
status:
type: number
example: 403
'404':
description: Fund not found
content:
application/json:
schema:
type: object
required:
- error
properties:
error:
type: object
required:
- code
- message
- status
properties:
code:
type: string
enum:
- NOT_FOUND
example: NOT_FOUND
message:
type: string
example: Resource not found
status:
type: number
example: 404
'429':
description: Rate limit or credit limit exceeded
content:
application/json:
schema:
type: object
required:
- error
properties:
error:
type: object
required:
- code
- message
- status
properties:
code:
type: string
enum:
- RATE_LIMIT_EXCEEDED
- DAILY_CREDITS_EXCEEDED
- MONTHLY_CREDITS_EXCEEDED
example: RATE_LIMIT_EXCEEDED
message:
type: string
example: Rate limit exceeded
status:
type: number
example: 429
'500':
description: Internal server error
content:
application/json:
schema:
type: object
required:
- error
properties:
error:
type: object
required:
- code
- message
- status
properties:
code:
type: string
enum:
- INTERNAL_ERROR
example: INTERNAL_ERROR
message:
type: string
example: Internal server error
status:
type: number
example: 500
security:
- X-Api-Key: []
components:
schemas:
FundCoInvestorItemDto:
type: object
properties:
id:
type: number
example: 5
description: Co-investor fund identifier in cryptorank.
slug:
type: string
example: paradigm
description: URL-friendly co-investor slug.
name:
type: string
example: Paradigm
description: Co-investor display name.
imageUrl:
type: string
example: https://images.cryptorank.io/funds/150x150.paradigm1614335874746.png
nullable: true
description: >-
Co-investor logo image URL, 150×150. Null when no image is
available.
tier:
type: number
example: 1
nullable: true
description: >-
Co-investor tier by CryptoRank classification (Tier 1 = top,
descending). Null when unranked.
jointRoundsCount:
type: number
example: 14
description: >-
Number of funding rounds where both funds participated together.
Counts only rounds within the from/to window when one is set.
lastJointRoundDate:
type: string
example: '2024-08-15T00:00:00.000Z'
nullable: true
description: >-
Date of the latest shared funding round (ISO 8601 UTC), within the
from/to window when one is set. Null when no shared round has a
known date.
required:
- id
- slug
- name
- imageUrl
- tier
- jointRoundsCount
- lastJointRoundDate
ResponseStatusDto:
type: object
properties:
usedCredits:
type: number
example: 1
description: Credits charged for this request
timestamp:
type: number
example: 1780000000000
description: Server time of the response. Unix timestamp in milliseconds
required:
- usedCredits
- timestamp
securitySchemes:
X-Api-Key:
name: X-Api-Key
type: apiKey
in: header
````