---
title: "Read the conditional SOFR-pop dossier"
method: GET
path: "/undertow/x402/riptide"
---

# Read the conditional SOFR-pop dossier

`GET /undertow/x402/riptide`

## Request

- Base URL: `https://api.seiche.info`
- URL: `https://api.seiche.info/undertow/x402/riptide`
- Auth: none required

200 free whenever there is no live SOFR pop to sell: flat water, or the dossier unavailable. That answer spends no free taste. 402 only on a live-pop morning, for the dossier itself

## Response `200`

Successful JSON response

- object

## Other responses

- `402`: Payment required; body and headers carry an x402 offer
- `503`: Payment rail is not configured on this deployment

---

[API](https://skmtc.dev/seiche/apis/undertow-attested-feed-api.md) · [All operations](https://skmtc.dev/seiche/apis/undertow-attested-feed-api/llms.txt) · [OpenAPI document](https://skmtc.dev/seiche/apis/undertow-attested-feed-api/revisions/753dd60ef479?raw)