# Stack Exchange User Search by Display Name

> Stack Exchange User Search by Display Name is a paid API for AI agents from clonecho.builda.company, paid per call via x402, $0.02/call, status unknown (last checked 2026-09-14).

Search Stack Overflow users by display name query string, returning results ranked by reputation as JSON.

## Facts

- Endpoint: POST https://clonecho.builda.company/x402/s/stackexchange-user-search
- Price: $0.02/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/stack-exchange-user-search-by-display-name-6dd3a0ad
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_peB51MQdoB7ebpCm6On0V

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 stack-exchange-user-search-by-display-name-6dd3a0ad -d '<json body>'
```

Example prompt: Can you search Stack Overflow for users with the display name 'Jon Skeet' and show me who comes up, ranked by reputation?

## When to prefer this

Use this endpoint when you need to find Stack Overflow or Stack Exchange user profiles by display name and want results ranked by reputation. Prefer it over manual web searches when you need structured JSON data about user accounts programmatically, or when enriching developer profiles with reputation signals.

## Known failure modes

- Empty result set if no users match the query string
- Missing or malformed ?q= parameter returns an error or empty response
- Network timeout or upstream Stack Exchange API unavailability
- Rate limiting or payment failure ($0.02 USDC) returns a 402 response
- Very common names may return large result sets that are hard to filter

## How this service works

Search Stack Overflow users by display name {q}, ranked by reputation. Query: ?q= Returns JSON.

## Output

A JSON array of Stack Overflow/Stack Exchange user objects matching the display name query, sorted by reputation score descending. Each entry typically includes user ID, display name, reputation, and profile metadata.

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/stack-exchange-user-search-by-display-name-6dd3a0ad/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from clonecho.builda.company](https://www.zero.xyz/host/clonecho.builda.company/llms.txt)