# Capital API API

> Capital API API on Apizie: 3 endpoints (Get a capital account, Request a grant payout, Get grant reference details) returned as clean JSON through one API key. Send your own provider key in the x-upstream-key header. Call it over REST at https://zieapi.vercel.app/v1/payments:adyen-grant-service-v3/{endpoint} or from Claude, ChatGPT and Cursor through the Apizie MCP server. Free plan: 1,000 requests a month.

- Project key: `payments:adyen-grant-service-v3`
- Category: Payments
- Status: byok
- Source: https://github.com/Adyen/adyen-openapi
- Page: https://zieapi.vercel.app/api/payments/adyen-grant-service-v3
- OpenAPI: https://zieapi.vercel.app/api/payments/adyen-grant-service-v3/openapi.json

Adyen Capital allows you to build an embedded financing offering for your users to serve their operational needs. Learn more about [Adyen Capital](https://docs.adyen.com/marketplaces-and-platforms/capital). ##…

## Endpoints

### Get a capital account
`GET https://zieapi.vercel.app/v1/payments:adyen-grant-service-v3/get-grants` (byok)

| Parameter | Type | Required | Description |
|---|---|---|---|
| counterpartyAccountHolderId | string | no | The counterparty account holder id. |

### Request a grant payout
`POST https://zieapi.vercel.app/v1/payments:adyen-grant-service-v3/post-grants` (byok)

| Parameter | Type | Required | Description |
|---|---|---|---|
| body | object | no | JSON request body |

### Get grant reference details
`GET https://zieapi.vercel.app/v1/payments:adyen-grant-service-v3/get-grants-id` (byok)

| Parameter | Type | Required | Description |
|---|---|---|---|
| id | string | yes | The unique identifier of the grant. |

## Example
```
curl "https://zieapi.vercel.app/v1/payments:adyen-grant-service-v3/get-grants" \
  -H "x-api-key: $APIZIE_KEY" \
  -H "x-upstream-key: $PROVIDER_KEY"
```

## FAQ

### How do I call the Capital API API?
Create a free Apizie key, then send GET https://zieapi.vercel.app/v1/payments:adyen-grant-service-v3/get-grants with the header x-api-key. Every endpoint returns { project, data, timestamp }.

### Is the Capital API API free on Apizie?
Yes. The Free plan includes 1,000 requests a month at 100 requests a minute, no credit card. Capital API itself also needs your own key from adyen.com.

### Can AI agents use the Capital API API?
Yes. Add the Apizie MCP server (https://zieapi.vercel.app/mcp) to Claude, ChatGPT, Cursor or VS Code, then ask in plain language. The agent calls run_scraper with project key payments:adyen-grant-service-v3.

### What is the status of the Capital API API?
Needs your own provider key (bring your own key)