# Chainlink Price Feed via Synapse

> Chainlink Price Feed via Synapse is a paid API for AI agents from anibalb.duckdns.org, paid per call via x402, $0.001/call, status unknown (last checked 2026-10-31).

Returns the current USD price of Chainlink (LINK) token using Chainlink's own price feed oracle data

## Facts

- Endpoint: GET https://anibalb.duckdns.org/x402/chainlink-price?utm_source=zero.xyz
- Price: $0.001/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-31
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/chainlink-price-feed-via-synapse-19058c32
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_BSFhBu_IUViXuKx_Ux-Fz

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 chainlink-price-feed-via-synapse-19058c32
```

Example prompt: What is the current USD price of Chainlink (LINK) right now?

## When to prefer this

Use this endpoint when you need a quick, low-cost, no-account-required spot price for Chainlink (LINK) in USD, especially in an agentic or automated workflow that can pay per-call in USDC on Base via x402. Prefer this over heavier exchange APIs when you only need a single price point and want zero-setup access.

## Known failure modes

- Payment failure if USDC balance on Base is insufficient — returns 402 Payment Required
- Oracle data unavailability — may return stale or missing price if Chainlink feed is lagging
- Malformed response if the upstream price feed is temporarily unreachable
- Rate or network issues on duckdns.org domain (non-enterprise hosting)

## How this service works

Public data and utility APIs paid per call in USDC on Base (x402). No accounts, no API keys. 174 routes: crypto/equity data, onchain reads, DNS/email/security intel, geo/weather, x402 payment diagnostics, dev utilities and more.

## Output

A JSON object containing the coin name ('chainlink') and its current price in USD as a numeric value, sourced from Chainlink price feed oracle data. Payment is made per call in USDC on Base via x402 protocol at $0.001 per request.

## Request schema (JSON Schema)

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

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "coin": "chainlink",
  "price_usd": 1
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/chainlink-price-feed-via-synapse-19058c32/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from anibalb.duckdns.org](https://www.zero.xyz/host/anibalb.duckdns.org/llms.txt)