API Documentation

Name: Rocket Payload Price Index (RPPI)
Creator: RPPI
License: https://rppi.space/terms

Access RPPI index data via our REST API. All endpoints return JSON and are publicly accessible.

Base URL

https://rppi.space

Quick Start

curl

curl https://rppi.space/api/v1/index/RPPI-SSO-RS-6x12/latest

JavaScript

const res = await fetch('https://rppi.space/api/v1/index/RPPI-SSO-RS-6x12/latest');
const data = await res.json();
console.log(`Current price: $${data.value}/kg`);

Python

import requests

res = requests.get('https://rppi.space/api/v1/index/RPPI-SSO-RS-6x12/latest')
data = res.json()
print(f"Current price: ${data['value']}/kg")

Endpoints

GET/api/v1/indexes

List all available index symbols with their latest values

Response

{
  "indexes": [
    {
      "symbol": "RPPI-SSO-RS-6x12",
      "hub": "SSO",
      "grade": "RS",
      "leadTime": "6x12",
      "description": "SSO Rideshare Standard 6-12 month lead time (Flagship)",
      "isActive": true,
      "latestValue": 7200.5,
      "latestAsOf": "2025-01-14T16:00:00Z"
    }
  ]
}

GET/api/v1/index/{symbol}/latest

Get the latest fix for a specific index

Parameters

Name	Type	Description
symbol	string	Index symbol (e.g., RPPI-SSO-RS-6x12)

Response

{
  "symbol": "RPPI-SSO-RS-6x12",
  "value": 7200.5,
  "currency": "USD",
  "unit": "USD/kg",
  "asOf": "2025-01-14T16:00:00Z",
  "confidence": 78,
  "status": "FIRM",
  "methodologyVersion": "1.1.0",
  "dataCoverage": {
    "contributors": 7,
    "executedTrades": 5,
    "firmQuotes": 9,
    "indicatives": 4,
    "totalMassKg": 1840,
    "topContributorShare": 0.31
  }
}

GET/api/v1/index/{symbol}/history

Get historical values for an index

Parameters

Name	Type	Description
symbol	string	Index symbol
startDate?	string	Start date (ISO 8601)
endDate?	string	End date (ISO 8601)
granularity?	string	'daily' or 'weekly'

Response

{
  "symbol": "RPPI-SSO-RS-6x12",
  "granularity": "daily",
  "startDate": "2025-01-01T00:00:00Z",
  "endDate": "2025-01-14T16:00:00Z",
  "values": [
    { "date": "2025-01-01T16:00:00Z", "value": 7150.2, "confidence": 75, "status": "FIRM" },
    { "date": "2025-01-02T16:00:00Z", "value": 7180.5, "confidence": 72, "status": "FIRM" }
  ]
}

GET/api/v1/index/{symbol}/volatility

Get annualized volatility for an index

Parameters

Name	Type	Description
symbol	string	Index symbol
windowDays?	number	Rolling window (default: 30)

Response

{
  "symbol": "RPPI-SSO-RS-6x12",
  "annualizedVol": 0.1523,
  "windowDays": 30,
  "startDate": "2024-12-15T16:00:00Z",
  "endDate": "2025-01-14T16:00:00Z",
  "dataPoints": 28
}

GET/api/v1/index/{symbol}/capacity-metrics

Get capacity utilization metrics

Parameters

Name	Type	Description
symbol	string	Index symbol

Response

{
  "symbol": "RPPI-SSO-RS-6x12",
  "bookedKg": 18500,
  "availableKg": 6200,
  "fillRatio": 0.75,
  "contributors": 6,
  "avgLeadTimeDays": 210,
  "recordedAt": "2025-01-14T00:00:00Z"
}

GET/api/v1/methodology

Get full methodology documentation

Response

{
  "version": "1.1.0",
  "publishedAt": "2025-01-01T00:00:00Z",
  "changelog": ["..."],
  "productDefinition": { "..." },
  "calculationMethod": { "..." },
  "normalizationRules": ["..."],
  "confidenceScoring": { "..." }
}

Rate Limits

Public API access is rate-limited to 100 requests/minute per IP. For higher limits or commercial use, please contact us.

Status Codes

200Success

404Index not found or no data available

429Rate limit exceeded

500Internal server error