One Piece Card Game REST API

The entire card universe, one call after another.

More than 1,800 cards, sets, leaders, and decks, all accessible through documented endpoints and fast JSON. Try it now with a free key.

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4,571 catalog printings

bash

$ curl -H "X-API-Key: sl_live_*****" \
  https://api.sealedger.cards/v1/cards?name=Luffy

200 OK
{
  "cards": [
    {
      "id": "OP01-001",
      "name": "Monkey D. Luffy",
      "type": "Leader",
      "cost": 4
    }
  ]
}

For developers

Less infrastructure. More product.

Go from an idea to your first endpoint in minutes with normalized, documented data.

Complete catalog

Cards, sets, expansions, formats, and printings in one consistent structure.

Transparent rate limits

Response headers always show how many requests your integration has left.

Real-time webhooks

Receive events when new printings, sets, and errata are released.

Documentation

A clean, predictable REST API.

// List all cards in a set
GET /v1/cards?set=OP06&page=1&perPage=20

HEADERS
X-API-Key: slk_••••••••

RESPONSE 200
{
  "data": [...],
  "meta": { "page": 1 }
}

GET

List cards with filters for name, set, type, color, and rarity.

/v1/cards

GET

Complete details for one card and its localized effect.

/v1/cards/:id

GET

Released sets, release dates, and card totals.

/v1/sets

POST

Check whether a deck follows the format rules.

/v1/decks/validate

Pricing

A plan that grows with you.

Starter

For personal apps and prototypes.

€0 / month

Choose Starter

100 requests per day
Read endpoints
Low-resolution images

Developer

For production apps and active bots.

€9 / month

Choose Developer

50,000 requests per month
Read and deck validation
Full-resolution images
Real-time webhooks

Enterprise

For platforms and high volumes.

Choose Enterprise

Unlimited requests
Dedicated SLA
Account manager

FAQ

Frequently asked questions

Can I use the API for free?

Yes. The Starter plan includes 100 requests per day, with no credit card required.

Which languages are supported?

Cards are available in English, Japanese, and French, with localized text and images.

What happens if I exceed the rate limit?

The API returns 429 Too Many Requests and a Retry-After header indicating when to retry.

Ready to build with SeaLedger?

Generate an API key and start building for the One Piece Card Game.

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