# SnowSignals x402 Gateway

**Canonical:** https://apis.io/apis/snowsignals/snowsignals-x402-gateway/  
**Provider:** SnowSignals — https://apis.io/providers/snowsignals/  
**Base URL:** https://pay.snowsignals.io  
**Documentation:** https://x402.snowsignals.io

SnowSignals x402 Gateway is one of 2 APIs that [SnowSignals](https://apis.io/providers/snowsignals/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include Crypto, Market Data, and x402. The published artifact set on APIs.io includes API documentation, an OpenAPI specification, and a GitHub repository.

Pay-per-call retail gateway for the same TrendVane phase reads over the x402 payment protocol (v2) — no account, API key, or OAuth anywhere: a metered GET answers 402 with a signed quote (exact amount in USDC on Base, eip155:8453) and the agent pays per request; the free discovery routes (/phases with the live price list, /phase/resolution-stats) need no payment at all. First-party Cloudflare Worker fronting the v1 daas origin as a house account; went live 2026-09-10, probed the same day.

## Operations (4)

| Method | Path | Summary |
|---|---|---|
| GET | `/phase/boundary` | Settled phase (last closed bar) |
| GET | `/phase/updates` | Live phase (current bar) |
| GET | `/phases` | Metadata + price list (free) |
| GET | `/phase/resolution-stats` | Phase resolution statistics (free) |

## Machine-readable artifacts (5)

- **Documentation** — https://x402.snowsignals.io
- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/snowsignals/refs/heads/main/openapi/snowsignals-x402-openapi.json
- **Overlay** — https://raw.githubusercontent.com/api-evangelist/snowsignals/refs/heads/main/overlays/snowsignals-x402-overlay.yaml
- **LLMsTxt** — https://raw.githubusercontent.com/api-evangelist/snowsignals/refs/heads/main/llms/snowsignals-x402-llms.txt
- **GitHubRepository** — https://github.com/snowkidind/snowsignals-x402

## Other SnowSignals APIs (1)

- [SnowSignals API](https://apis.io/apis/snowsignals/snowsignals-api/)

## Tags

Crypto, Market Data, x402

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/snowsignals/snowsignals-x402-gateway/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/snowsignals/.