# BaseBuilder DeFi New Pairs

> BaseBuilder DeFi New Pairs is a paid API for AI agents from bb-defi.vercel.app, paid per call via x402, $0.104921/call, status unknown (last checked 2026-09-15).

Fetches newly created DEX trading pairs on Base chain, enabling discovery of fresh liquidity pools and token launches

## Facts

- Endpoint: POST https://bb-defi.vercel.app/api/dex/new-pairs
- Price: $0.104921/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/basebuilder-defi-new-pairs-0d5e446f
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_MWhCnCNeUuVBIabpUA7Os

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 basebuilder-defi-new-pairs-0d5e446f -d '<json body>'
```

Example prompt: Show me the newest token pairs that launched on Base chain DEXes in the last 24 hours — I want to see fresh liquidity pools and any new token listings.

## When to prefer this

Use this endpoint when you need to discover newly launched or recently created DEX trading pairs specifically on the Base chain. Ideal for DeFi analysts, trading bots, or sniping tools that need to track fresh token launches and new liquidity pool creation in real time.

## Known failure modes

- No new pairs found in the specified time window returns empty list
- Invalid filter parameters return 400 error
- Payment not provided or insufficient USDC returns 402 Payment Required
- Upstream Base chain RPC timeout returns 503
- Rate limiting if called too frequently

## How this service works

BaseBuilder Defi API hub - 22 paid endpoints

## Output

A list of newly created DEX trading pairs on the Base chain, including pair contract addresses, token symbols, DEX platform name, creation timestamps, and relevant liquidity metadata.

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/basebuilder-defi-new-pairs-0d5e446f/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from bb-defi.vercel.app](https://www.zero.xyz/host/bb-defi.vercel.app/llms.txt)