Horizon Pulse
Horizon Pulse offers pay‑per‑call APIs for AI agents, enabling on‑chain checks, market data, web search, document extraction, and an HTTP proxy. Calls are priced in USDC on Base, Solana, Polygon, or XRP Ledger via x402 v2, with no signup or API keys required. The platform provides 55 paid services covering crypto, finance, and web utilities, targeting autonomous agents needing real‑time data and verification.
Horizon Pulse publishes 19 API contracts indexed on the APIs.io network, including Agent utilities API, Bls API, Company facts from SEC EDGAR data API, and 16 more. Tagged areas include Artificial Intelligence, Payments, Cryptocurrency, Web, and Data.
The Horizon Pulse catalog on APIs.io includes 1 JSON-LD context and 1 Spectral governance ruleset.
Horizon Pulse’s developer surface includes engineering blog, API reference, authentication, and 17 more developer resources.
Kin Score
Standards implemented 2
Standards this provider implements or carries. De facto ones are profiled and measured by the API Commons; formal ones come from the standards directory and are linked by the provider's own tags. The evidence column says how each claim was established — not that it was made.
APIs 19
Individual APIs this provider publishes, each with its own machine-readable definition.
Horizon Pulse Agent utilities API
Tools for agents working with x402.
Horizon Pulse Bls API
The Bls API from Horizon Pulse — 2 operation(s) for bls.
Horizon Pulse Company facts from SEC EDGAR data API
Data from SEC EDGAR; not affiliated with or endorsed by the SEC.
Horizon Pulse Crypto market data API
Crypto market data on Base and Ethereum.
Horizon Pulse Domain API
The Domain API from Horizon Pulse — 4 operation(s) for domain.
Horizon Pulse Email API
The Email API from Horizon Pulse — 1 operation(s) for email.
Horizon Pulse Funding Pulse Weekly API
© 2026 Federal Reserve Bank of New York. Content from the New York Fed subject to the Terms of Use at newyorkfed.org. Horizon Pulse is not affiliated with the New York Fed. The ...
Horizon Pulse No-charge (informational) API
The No-charge (informational) API from Horizon Pulse — 2 operation(s) for no-charge (informational).
Horizon Pulse PII pattern scan API
Best-effort pattern match, not a compliance guarantee.
Horizon Pulse Pros API
The Pros API from Horizon Pulse — 1 operation(s) for pros.
Horizon Pulse Sec API
The Sec API from Horizon Pulse — 4 operation(s) for sec.
Horizon Pulse Seller due-diligence API
The Seller due-diligence API from Horizon Pulse — 1 operation(s) for seller due-diligence.
Horizon Pulse Site API
The Site API from Horizon Pulse — 2 operation(s) for site.
Horizon Pulse Treasury API
The Treasury API from Horizon Pulse — 2 operation(s) for treasury.
Horizon Pulse Us API
The Us API from Horizon Pulse — 1 operation(s) for us.
Horizon Pulse Verified brief API
The Verified brief API from Horizon Pulse — 1 operation(s) for verified brief.
Horizon Pulse Vuln API
The Vuln API from Horizon Pulse — 2 operation(s) for vuln.
Horizon Pulse Weather API
The Weather API from Horizon Pulse — 3 operation(s) for weather.
Horizon Pulse Web and documents API
Read, call and render the public web.
Scroll for all 19
MCP Servers 1
Model Context Protocol servers that expose these APIs to AI agents.
Agent Skills 1
Packaged agent skills for driving this provider's APIs from an AI assistant.
horizonpulse-dev-agent-skill
AGENT SKILLSemantic Vocabularies 1
JSON-LD contexts and semantic vocabularies used across these APIs.
Horizonpulse Dev Context
JSON-LDSpectral Rules 1
Spectral governance rulesets for linting and validating these APIs. Counts are the severity each rule declares, not results of running them.
Horizon Pulse API Rules
SPECTRALJSON Schema 6
Standalone JSON Schema definitions for this provider's data models.
BalanceResponse
JSON SCHEMABazaarCheckResponse
JSON SCHEMAGroceryNormalizeResponse
JSON SCHEMAMarketQuoteResponse
JSON SCHEMAMarketSearchResponse
JSON SCHEMAX402CheckDeepResponse
JSON SCHEMASecurity Posture 2
Authentication, domain security, vulnerability disclosure, and trust-center signals.
Agentic Access (API Evangelist recommendations) 1
Recommended x-agentic-access execution contracts for AI agents.
Resources
Documentation 1
Reference material describing how the API behaves
Agent Surfaces 4
MCP servers, agent skills, and machine-readable catalogs
Design & Contract 6
Pagination, idempotency, versioning, errors, and events
Build 1
SDKs, sample code, and the tooling you integrate with
Access & Security 2
Authentication, authorization, and security posture
Operate 1
Status, limits, changes, and where to get help
Commercial 1
Pricing, plans, and the legal terms of use
Company 2
The organization behind the API
Other 2
Properties that don't map to a standard resource type
Source (apis.yml)
Horizon Pulse API — frequently asked questions
Does Horizon Pulse have an API?
Yes. APIs.io lists 19 APIs from Horizon Pulse, including Horizon Pulse Agent utilities API, Horizon Pulse Bls API and Horizon Pulse Company facts from SEC EDGAR data API, and 16 more.
Is there an OpenAPI specification for the Horizon Pulse API?
Yes. APIs.io indexes 19 OpenAPI specifications for Horizon Pulse, each linked for download from this page.
How do I authenticate with the Horizon Pulse API?
Horizon Pulse uses bearer-token authentication (apiKey · 1 scheme). The details are profiled on APIs.io as Horizon Pulse Authentication.
Does Horizon Pulse have an MCP server?
Yes. APIs.io lists 1 MCP server for Horizon Pulse: Remote MCP server at horizonpulse.dev.
Is the Horizon Pulse API ready for AI agents?
Horizon Pulse has a Kin Score of 32.8 out of 100 (thin) and an Agent Readiness score of 27.9 (agent-aware), scored by API Evangelist on 2026-11-13.
Work with this as data
Every provider here is available over the APIs.io API and to AI agents over MCP.