# Prosper Investor API

**Canonical:** https://apis.io/apis/prosper/prosper-investor-api/  
**Provider:** Prosper — https://apis.io/providers/prosper/  
**Base URL:** https://api.prosper.com/v1  
**Documentation:** https://developers.prosper.com/docs/investor/

Prosper Investor API is published by [Prosper](https://apis.io/providers/prosper/) on the [APIs.io](https://apis.io/) network. Tagged areas include Lending, Investing, Notes, Listings, and Order. The published artifact set on APIs.io includes API documentation and authentication docs.

RESTful API for Prosper investors and third-party agents to view account information, search active loan listings, place orders to purchase Notes, and retrieve owned Notes, invested loans, and loan payments. OAuth 2.0 over SSL. Production and sandbox environments.

## Machine-readable artifacts (12)

- **Documentation** — https://developers.prosper.com/docs/investor/
- **Authentication** — https://raw.githubusercontent.com/api-evangelist/prosper/refs/heads/main/authentication/prosper-authentication.yml
- **Conventions** — https://raw.githubusercontent.com/api-evangelist/prosper/refs/heads/main/conventions/prosper-conventions.yml
- **Idempotency** — https://raw.githubusercontent.com/api-evangelist/prosper/refs/heads/main/conventions/prosper-conventions.yml
- **ErrorCatalog** — https://raw.githubusercontent.com/api-evangelist/prosper/refs/heads/main/errors/prosper-problem-types.yml
- **Lifecycle** — https://raw.githubusercontent.com/api-evangelist/prosper/refs/heads/main/lifecycle/prosper-lifecycle.yml
- **Deprecation** — https://raw.githubusercontent.com/api-evangelist/prosper/refs/heads/main/lifecycle/prosper-lifecycle.yml
- **Sandbox** — https://raw.githubusercontent.com/api-evangelist/prosper/refs/heads/main/sandbox/prosper-sandbox.yml
- **MCPServer** — https://raw.githubusercontent.com/api-evangelist/prosper/refs/heads/main/mcp/prosper-mcp.yml
- **DataModel** — https://raw.githubusercontent.com/api-evangelist/prosper/refs/heads/main/data-model/prosper-data-model.yml
- **Conformance** — https://raw.githubusercontent.com/api-evangelist/prosper/refs/heads/main/conformance/prosper-conformance.yml
- **APIsJSON** — https://raw.githubusercontent.com/api-evangelist/prosper/refs/heads/main/apis.yml

## Tags

Lending, Investing, Notes, Listings, Order

---

Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/prosper/prosper-investor-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/prosper/.