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/giveradar-com:giveradar-com-reviews-api"
All apis
curl "https://apis.io/api/v1/apis?limit=25"
Calls without X-API-Key need no key. Calls with it need a paid plan — get a key.
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:
title: GiveRadar Reviews API
description: 'Access integrity assessments, financial data, officers, and contact information for 7.9 million+ nonprofits across 100+ countries.
## Authentication
All requests require an API key. Get your free key at giveradar.com/api/keys/.
Pass your key as:
- **Header:** `Authorization: Bearer gr_your_key_here`
- **Query param:** `?api_key=gr_your_key_here`
## Rate Limits
| Tier | Requests/day | Price |
|------|-------------|-------|
| Free | 10 | $0/month |
| Pro | 10,000 | $99/month |
| Enterprise | 100,000 | Custom |'
version: 1.0.0
contact:
name: GiveRadar
email: info@giveradar.com
url: https://giveradar.com
license:
name: Proprietary
url: https://giveradar.com/terms/
termsOfService: https://giveradar.com/terms/
servers:
- url: https://giveradar.com/api/v1
description: Production
security:
- bearerAuth: []
- apiKeyQuery: []
tags:
- name: Reviews
description: User reviews
paths:
/charity/{slug}/reviews/:
post:
summary: Submit a review
description: Submit a review for a charity.
operationId: createReview
tags:
- Reviews
parameters:
- name: slug
in: path
required: true
schema:
type: string
requestBody:
required: true
content:
application/json:
schema:
type: object
required:
- user_name
- rating
- title
properties:
user_name:
type: string
example: John Doe
user_role:
type: string
enum:
- donor
- volunteer
- beneficiary
- employee
- other
example: donor
rating:
type: integer
minimum: 1
maximum: 5
example: 4
title:
type: string
example: Great organization
comment:
type: string
example: Very transparent about their spending.
responses:
'201':
description: Review created
'400':
description: Invalid input
components:
securitySchemes:
bearerAuth:
type: http
scheme: bearer
description: 'API key as Bearer token: `Authorization: Bearer gr_xxxxx`'
apiKeyQuery:
type: apiKey
in: query
name: api_key
description: 'API key as query parameter: `?api_key=gr_xxxxx`'