Seshat Markets · OpenAPI Overlay 1.0.0

API Evangelist enhancements for the Kronos Quant Signal API

6 actions 6 updates update extends ../openapi/seshat-markets-kronos-quant-signal-api-openapi.json

Derived by API Evangelist Built from the contracts Seshat Markets publishes. Seshat Markets did not publish this file.

View Overlay File View on GitHub Overlay Specification

What the actions change

x-agent-notex-rate-limitx-artifactsx-payment-model

Targets 5

$.info

$.paths['/feeds/kronos/catalog'].get

$.paths['/feeds/kronos/sample/btc_usdt'].get

$.paths['/feeds/kronos/predict/{symbolKey}'].get

$.paths['/feeds/kronos/playground/{symbolKey}'].post

OpenAPI Overlay

overlay: 1.0.0
info:
  title: API Evangelist enhancements for the Kronos Quant Signal API
  version: 1.0.0
x-generated: '2026-09-05'
x-method: generated
x-source: catalog artifacts in this repository (never mutates the original spec)
extends: ../openapi/seshat-markets-kronos-quant-signal-api-openapi.json
actions:
- target: $.info
  update:
    x-artifacts:
      llms-txt: ../llms/seshat-markets-llms.txt
      agent-skill: ../skills/seshat-markets-kronos-agent-quickstart.md
      agent-card: ../a2a/seshat-markets-agent-card.json
      x402-manifest: ../well-known/seshat-markets-x402.json
      plans: ../plans/seshat-markets-plans-pricing.yml
      rate-limits: ../rate-limits/seshat-markets-rate-limits.yml
      error-catalog: ../errors/seshat-markets-problem-types.yml
      conventions: ../conventions/seshat-markets-conventions.yml
- target: $.info
  update:
    x-payment-model: >-
      Keyless x402 USDC micropayments on Solana mainnet and Base mainnet ($0.001-$0.05 per
      request); free discovery/testing endpoints require no payment. Failed requests are not
      charged; upfront-flow 5xx responses carry retry_token (X-Retry-Token, 1h TTL) and
      refund_reference.
- target: $.paths['/feeds/kronos/catalog'].get
  update:
    x-agent-note: Documented first call for agents - returns symbols, timeframes, cache TTLs and per-endpoint x402 pricing.
- target: $.paths['/feeds/kronos/sample/btc_usdt'].get
  update:
    x-agent-note: Free delayed production output for integration testing - validate parsing here before paying.
- target: $.paths['/feeds/kronos/predict/{symbolKey}'].get
  update:
    x-rate-limit: 10/min per IP cached, 2/min per IP with ?refresh=true, 20/min per wallet
- target: $.paths['/feeds/kronos/playground/{symbolKey}'].post
  update:
    x-rate-limit: 3 per 5 minutes per IP and per payer wallet

Work with this as data

Every overlay here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for openapi overlays

4 MCP tools reach this

find_overlaysBrowse and filter every overlay in the catalog.
apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
resolveTurn a domain, URL or GitHub org into the provider it belongs to.
find_cohortsEvery scored population of providers in the catalog.

All 92 tools →

Call it yourself

curl for this page

This overlay

curl "https://apis.io/api/v1/overlays/seshat-markets-kronos-overlay"

All openapi overlays

curl "https://apis.io/api/v1/overlays?limit=25"

Calls without X-API-Key need no key. Calls with it need a paid plan — get a key.

Get an API key

Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

GitHub Google LinkedIn

A second provider on the same verified email joins the account you already have.