# Synapse API — Berachain NFT Sales

> Synapse API — Berachain NFT Sales is a paid API for AI agents from synapse-api-brown.vercel.app, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-27).

Fetches NFT sales transaction history on the Berachain network, filterable by block range, contract address, and sort order.

## Facts

- Endpoint: POST https://synapse-api-brown.vercel.app/api/berachain/nft/sales?utm_source=zero.xyz
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-27
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/synapse-api-berachain-nft-sales-7483e1ff
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_v2TtiFMiJ7XjqISn_JXYp

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 synapse-api-berachain-nft-sales-7483e1ff -d '<json body>'
```

Example prompt: Can you pull the last 50 NFT sales on Berachain for contract address 0xAbCd1234... sorted in descending order from block 1000000 to 2000000?

## When to prefer this

Use this endpoint when you specifically need NFT sales data from the Berachain network and want block-level filtering with pagination. Prefer this over generic blockchain explorers when you need programmatic, pay-per-call access to Berachain NFT sales without managing your own node or indexer.

## Known failure modes

- Invalid contract address format returns an error
- fromBlock greater than toBlock returns empty or error
- Unsupported or out-of-range block numbers may return empty results
- Exceeding rate limits or failed x402 payment results in 402 or 429 error
- Network downtime on Berachain indexer may cause stale or missing data

## How this service works

High-speed API suite for AI processing, web scraping, and smart data utilities across 57+ blockchain networks. Pay-per-call via x402.

## Output

Returns a list of NFT sale records from Berachain filtered by the specified block range, contract address, limit, and sort order. Each record typically includes sale details such as token ID, price, buyer, seller, transaction hash, and block number.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "limit": {
   "type": "number"
  },
  "order": {
   "enum": [
    "asc",
    "desc"
   ],
   "type": "string"
  },
  "toBlock": {
   "type": "number"
  },
  "fromBlock": {
   "type": "number"
  },
  "contractAddress": {
   "type": "string"
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/synapse-api-berachain-nft-sales-7483e1ff/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from synapse-api-brown.vercel.app](https://www.zero.xyz/host/synapse-api-brown.vercel.app/llms.txt)