# RagRadar NFT Portfolio Lookup

> RagRadar NFT Portfolio Lookup is a paid API for AI agents from backup.ragradar.space, paid per call via x402, $0.5/call, status unknown (last checked 2026-09-14).

Retrieves the NFT portfolio holdings for a given on-chain wallet address across supported blockchains

## Facts

- Endpoint: GET https://backup.ragradar.space/api/nft/portfolio/%7Baddress%7D
- Price: $0.5/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/ragradar-nft-portfolio-lookup-61d3cc10
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_KrUBN1ANE-INntduwz0wU

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability ragradar-nft-portfolio-lookup-61d3cc10
```

Example prompt: What NFTs does wallet address 0x1234abcd...5678 currently hold? Pull the full on-chain portfolio from RagRadar.

## When to prefer this

Use this endpoint when you need to retrieve on-chain NFT holdings for a specific wallet address and want coverage across Base, Arbitrum, and Solana without building custom indexing. Prefer this over generic blockchain explorers when you need structured, agent-ready JSON output with x402 micropayment support.

## Known failure modes

- Invalid or malformed wallet address returns an error
- Address with no NFT holdings may return an empty portfolio
- Unsupported chain addresses may yield no results
- Rate limiting or payment failure via x402 micropayment results in 402 response
- Temporary backend unavailability returns 5xx error

## How this service works

On-chain intelligence for AI agents. 73+ endpoints across Base, Arbitrum, Solana. x402 micropayments.

## Output

Returns a JSON object with the NFT portfolio of the queried wallet address, including collections, token IDs, and asset metadata held across supported chains such as Base, Arbitrum, and Solana.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "properties": {
   "type": "string"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "status": "ok"
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/ragradar-nft-portfolio-lookup-61d3cc10/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from backup.ragradar.space](https://www.zero.xyz/host/backup.ragradar.space/llms.txt)