# NexusAPI Base64 Decode

> NexusAPI Base64 Decode is a paid API for AI agents from nexus-api-virid.vercel.app, paid per call via x402, $0.052257/call, status unknown (last checked 2026-09-15).

Decodes a Base64-encoded string back into its original plaintext or binary representation

## Facts

- Endpoint: POST https://nexus-api-virid.vercel.app/api/tools/base64/decode
- Price: $0.052257/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/nexusapi-base64-decode-116d03e5
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_HwrE-o_BIr0SZa-lR6Caq

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 nexusapi-base64-decode-116d03e5 -d '<json body>'
```

Example prompt: Can you decode this Base64 string for me and tell me what it says: 'SGVsbG8sIFdvcmxkIQ=='?

## When to prefer this

Use this endpoint when you need a pay-per-call, no-API-key solution for Base64 decoding in an agentic workflow on Base network. Ideal for agents that occasionally need to decode Base64 strings without managing API credentials or subscriptions.

## Known failure modes

- Invalid Base64 input string returns an error or garbled output
- Input with incorrect padding may cause decoding failure
- Non-UTF8 binary output may not be representable as a readable string
- Empty or null query input returns an error

## How this service works

Crypto, AI, Social Media, Finance, Weather, Tools &amp; more. Pay per call in USDC on Base. No API keys.

## Output

The decoded plaintext or binary content that was originally encoded in the Base64 input string

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "query": {
   "type": "string",
   "description": "Search query or input parameter"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "object",
 "description": "API response data"
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/nexusapi-base64-decode-116d03e5/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from nexus-api-virid.vercel.app](https://www.zero.xyz/host/nexus-api-virid.vercel.app/llms.txt)