# Horizon Pulse Agent utilities API

**Canonical:** https://apis.io/apis/horizonpulse-dev/horizonpulse-dev-agent-utilities-api/  
**Provider:** Horizon Pulse — https://apis.io/providers/horizonpulse-dev/  
**Base URL:** https://horizonpulse.dev  
**Documentation:** https://horizonpulse.dev/docs

Horizon Pulse Agent utilities API is one of 19 APIs that [Horizon Pulse](https://apis.io/providers/horizonpulse-dev/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. This API exposes 6 JSON Schema definitions. Tagged areas include Agent utilities. The published artifact set on APIs.io includes an OpenAPI specification and 6 JSON Schemas.

Tools for agents working with x402.

## Operations (19)

| Method | Path | Summary |
|---|---|---|
| GET | `/api/x402-check` | Audit any x402 endpoint without paying it |
| GET | `/api/x402-check/deep` | Live deep check of an x402 endpoint and its payTo |
| GET | `/api/bazaar-check` | Check whether an x402 seller is listed in CDP Bazaar, and why not |
| GET | `/api/market/search` | Find a paid x402 API for a task, re-checked live |
| GET | `/api/market/quote` | Check an x402 seller's live price and payTo before paying |
| GET | `/api/tx-status` | Did my transaction land, and is it final (4 chains) |
| GET | `/api/watch` | Did this page or endpoint change since my last check |
| GET | `/api/balance` | Can my wallet pay x402 calls right now (4 rails) |
| GET | `/api/tx-guard` | Check a recipient address before sending: allow / warn / block from four… |
| GET | `/api/grocery/normalize` | Turn recipe ingredient lines into a normalized shopping list |
| POST | `/api/grocery/normalize` | Turn recipe ingredient lines into a normalized shopping list |
| GET | `/api/grocery/ingredient` | Look up nutrition per 100 g for an ingredient or barcode |
| POST | `/api/grocery/ingredient` | Look up nutrition per 100 g for an ingredient or barcode |
| GET | `/api/chain/head` | Current block, slot or ledger height on 5 chains |
| GET | `/api/token/meta` | Token name, symbol, decimals and supply from chain state |
| GET | `/api/name/resolve` | Resolve an ENS name or Basename, or find an address's primary name |
| GET | `/api/batch` | Up to 10 chain checks (balance, gas, tx status, token, chain head, names) for… |
| POST | `/api/batch` | Up to 10 chain checks (balance, gas, tx status, token, chain head, names) for… |
| GET | `/api/discourse/split` | How Hacker News and Bluesky posts split on a question (not a poll) |

## Machine-readable artifacts (8)

- **OpenAPI** — https://artifacts.apis.io/horizonpulse-dev/openapi/horizonpulse-dev-agent-utilities-api-openapi.yml
- **JSONSchema** — https://artifacts.apis.io/horizonpulse-dev/json-schema/horizonpulse-dev-market-search-response-schema.json
- **JSONSchema** — https://artifacts.apis.io/horizonpulse-dev/json-schema/horizonpulse-dev-x402-check-deep-response-schema.json
- **JSONSchema** — https://artifacts.apis.io/horizonpulse-dev/json-schema/horizonpulse-dev-market-quote-response-schema.json
- **JSONSchema** — https://artifacts.apis.io/horizonpulse-dev/json-schema/horizonpulse-dev-bazaar-check-response-schema.json
- **JSONSchema** — https://artifacts.apis.io/horizonpulse-dev/json-schema/horizonpulse-dev-balance-response-schema.json
- **JSONSchema** — https://artifacts.apis.io/horizonpulse-dev/json-schema/horizonpulse-dev-grocery-normalize-response-schema.json
- **APIsJSON** — https://artifacts.apis.io/horizonpulse-dev/apis.yml

## Other Horizon Pulse APIs (12)

- [Horizon Pulse Bls API](https://apis.io/apis/horizonpulse-dev/horizonpulse-dev-bls-api/)
- [Horizon Pulse Company facts from SEC EDGAR data API](https://apis.io/apis/horizonpulse-dev/horizonpulse-dev-company-facts-from-sec-edgar-data-api/)
- [Horizon Pulse Crypto market data API](https://apis.io/apis/horizonpulse-dev/horizonpulse-dev-crypto-market-data-api/)
- [Horizon Pulse Domain API](https://apis.io/apis/horizonpulse-dev/horizonpulse-dev-domain-api/)
- [Horizon Pulse Email API](https://apis.io/apis/horizonpulse-dev/horizonpulse-dev-email-api/)
- [Horizon Pulse Funding Pulse Weekly API](https://apis.io/apis/horizonpulse-dev/horizonpulse-dev-funding-pulse-weekly-api/)
- [Horizon Pulse No-charge (informational) API](https://apis.io/apis/horizonpulse-dev/horizonpulse-dev-no-charge-informational-api/)
- [Horizon Pulse PII pattern scan API](https://apis.io/apis/horizonpulse-dev/horizonpulse-dev-pii-pattern-scan-api/)
- [Horizon Pulse Pros API](https://apis.io/apis/horizonpulse-dev/horizonpulse-dev-pros-api/)
- [Horizon Pulse Sec API](https://apis.io/apis/horizonpulse-dev/horizonpulse-dev-sec-api/)
- [Horizon Pulse Seller due-diligence API](https://apis.io/apis/horizonpulse-dev/horizonpulse-dev-seller-due-diligence-api/)
- [Horizon Pulse Site API](https://apis.io/apis/horizonpulse-dev/horizonpulse-dev-site-api/)

## Tags

Agent utilities

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/horizonpulse-dev/horizonpulse-dev-agent-utilities-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/horizonpulse-dev/.