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OpenAPI Specification
openapi: 3.2.0
info:
title: 2s — the (most) everything Tcg API
version: '1'
summary: The (most) everything API.
description: 'The (most) everything API for AI agents: 575+ pay-per-call endpoints on one origin.'
contact:
name: 2s
url: https://2s.io
email: alley@2s.io
x-logo:
url: https://2s.io/icon-512.png
altText: 2s
x-guidance: 'Pay-per-call REST API for AI agents — hundreds of endpoints returning ground-truth data (US public records, company & legal identifiers, finance/SEC, crypto/web3, security & CVEs, medical codes, weather & geocoding, agriculture, energy, maritime, music, and more). Every endpoint is paid per call in USDC via x402 (Base or Solana) — no API key, no signup. Call any endpoint with no auth to get a 402 PaymentRequirements envelope, sign it (EIP-3009 on Base, partial SPL transfer on Solana), and retry with the PAYMENT-SIGNATURE header. Add ?trial=1 for one free real call per endpoint per hour to test before paying. To discover the right endpoint: GET https://2s.io/api/directory for the full catalog, or GET https://2s.io/api/search/endpoints?q=<natural-language task> for a ranked match. Per-call price is on each operation as x-payment-info (from $0.001). Batch up to 50 calls behind one payment via POST https://2s.io/api/batch/run.'
servers:
- url: https://2s.io
tags:
- name: tcg
paths:
/api/tcg/card:
get:
tags:
- tcg
summary: Price a single trading card
description: 'Price a single trading card. Pass game (categoryId or name), set (the groupId), and productId (the TCGplayer product id, from tcg.set-prices). Returns the matching card { productId, name, number, rarity, prices:[{ subType, market, low, mid, high }], url } with every printing/subtype. 404 if the productId is not in that set. Source: TCGplayer-derived pricing via tcgcsv.com.'
operationId: tcg_card
deprecated: false
security:
- x402Payment: []
responses:
'200':
description: 'Normalized envelope: items = [the one matching card with its per-subtype prices]; total = 1.'
content:
application/json:
schema:
type: object
required:
- data
- meta
properties:
data:
type: object
properties:
ok:
type: boolean
enum:
- true
items:
type: array
items:
type: object
properties:
productId:
type: number
name:
type: string
number:
type: string
nullable: true
rarity:
type: string
nullable: true
prices:
type: array
items:
type: object
properties:
subType:
type: string
nullable: true
market:
type: number
nullable: true
low:
type: number
nullable: true
mid:
type: number
nullable: true
high:
type: number
nullable: true
required:
- subType
- market
- low
- mid
- high
additionalProperties: false
url:
type: string
nullable: true
required:
- productId
- name
- number
- rarity
- prices
- url
additionalProperties: false
total:
type: integer
nullable: true
description: Total matching rows upstream; null when unknown.
source:
$ref: '#/components/schemas/Source'
meta:
type: object
properties:
categoryId:
type: number
groupId:
type: number
required:
- categoryId
- groupId
additionalProperties: false
required:
- ok
- items
- total
- source
additionalProperties: false
meta:
$ref: '#/components/schemas/CallMeta'
'400':
$ref: '#/components/responses/BadRequest'
'402':
$ref: '#/components/responses/PaymentRequired'
'405':
$ref: '#/components/responses/MethodNotAllowed'
'500':
$ref: '#/components/responses/ServerError'
'502':
$ref: '#/components/responses/UpstreamError'
x-2s-id: tcg.card
x-2s-version: null
x-2s-price:
usd: 0.012
x-2s-accepts:
- x402
x-2s-response-shape: normalized
x-payment-info:
price:
mode: fixed
currency: USD
amount: '0.012000'
protocols:
- x402: {}
parameters:
- name: game
in: query
required: true
description: 'TCGplayer game: categoryId (e.g. 3) or name (e.g. "pokemon").'
schema:
type: string
minLength: 1
maxLength: 60
- name: set
in: query
required: true
description: groupId of the set (from tcg.sets).
schema:
type: integer
exclusiveMinimum: true
minimum: 0
- name: productId
in: query
required: true
description: TCGplayer productId of the card (from tcg.set-prices).
schema:
type: integer
exclusiveMinimum: true
minimum: 0
- $ref: '#/components/parameters/TrialMode'
/api/tcg/games:
get:
tags:
- tcg
summary: List every trading-card game / category covered by
description: 'List every trading-card game / category covered by TCGplayer pricing (Magic: The Gathering, Pokemon, Yu-Gi-Oh!, Disney Lorcana, One Piece, and ~85 more). Each row is { categoryId, name, displayName }. Use the categoryId (or the name) as the `game` parameter on tcg.sets, tcg.set-prices, and tcg.card. No parameters. Source: TCGplayer-derived pricing via tcgcsv.com.'
operationId: tcg_games
deprecated: false
security:
- x402Payment: []
responses:
'200':
description: 'Normalized envelope: items = [one row per game/category]; total = number of games.'
content:
application/json:
schema:
type: object
required:
- data
- meta
properties:
data:
type: object
properties:
ok:
type: boolean
enum:
- true
items:
type: array
items:
type: object
properties:
categoryId:
type: number
name:
type: string
displayName:
type: string
required:
- categoryId
- name
- displayName
additionalProperties: false
total:
type: integer
nullable: true
description: Total matching rows upstream; null when unknown.
source:
$ref: '#/components/schemas/Source'
required:
- ok
- items
- total
- source
additionalProperties: false
meta:
$ref: '#/components/schemas/CallMeta'
'400':
$ref: '#/components/responses/BadRequest'
'402':
$ref: '#/components/responses/PaymentRequired'
'405':
$ref: '#/components/responses/MethodNotAllowed'
'500':
$ref: '#/components/responses/ServerError'
'502':
$ref: '#/components/responses/UpstreamError'
x-2s-id: tcg.games
x-2s-version: null
x-2s-price:
usd: 0.012
x-2s-accepts:
- x402
x-2s-response-shape: normalized
x-payment-info:
price:
mode: fixed
currency: USD
amount: '0.012000'
protocols:
- x402: {}
parameters:
- $ref: '#/components/parameters/TrialMode'
/api/tcg/set-prices:
get:
tags:
- tcg
summary: Price an entire trading-card set in one call
description: 'Price an entire trading-card set in one call. Pass game (categoryId or name, e.g. "pokemon") and set (the groupId from tcg.sets). Returns each card joined to its prices: { productId, name, number, rarity, prices:[{ subType, market, low, mid, high }], url }. subType separates printings (Normal, Foil, Reverse Holofoil, 1st Edition, etc.). Capped to limit cards (default 100, max 500); total is the full set size (pre-limit), meta.returned is how many rows came back. This is the core "value a whole set / list card prices" call. Source: TCGplayer-derived pricing via tcgcsv.com.'
operationId: tcg_set-prices
deprecated: false
security:
- x402Payment: []
responses:
'200':
description: 'Normalized envelope: items = cards with their per-subtype prices (capped to limit); total = full set card count; meta.returned = rows returned.'
content:
application/json:
schema:
type: object
required:
- data
- meta
properties:
data:
type: object
properties:
ok:
type: boolean
enum:
- true
items:
type: array
items:
type: object
properties:
productId:
type: number
name:
type: string
number:
type: string
nullable: true
rarity:
type: string
nullable: true
prices:
type: array
items:
type: object
properties:
subType:
type: string
nullable: true
market:
type: number
nullable: true
low:
type: number
nullable: true
mid:
type: number
nullable: true
high:
type: number
nullable: true
required:
- subType
- market
- low
- mid
- high
additionalProperties: false
url:
type: string
nullable: true
required:
- productId
- name
- number
- rarity
- prices
- url
additionalProperties: false
total:
type: integer
nullable: true
description: Total matching rows upstream; null when unknown.
source:
$ref: '#/components/schemas/Source'
meta:
type: object
properties:
categoryId:
type: number
groupId:
type: number
returned:
type: number
required:
- categoryId
- groupId
- returned
additionalProperties: false
required:
- ok
- items
- total
- source
additionalProperties: false
meta:
$ref: '#/components/schemas/CallMeta'
'400':
$ref: '#/components/responses/BadRequest'
'402':
$ref: '#/components/responses/PaymentRequired'
'405':
$ref: '#/components/responses/MethodNotAllowed'
'500':
$ref: '#/components/responses/ServerError'
'502':
$ref: '#/components/responses/UpstreamError'
x-2s-id: tcg.set-prices
x-2s-version: null
x-2s-price:
usd: 0.012
x-2s-accepts:
- x402
x-2s-response-shape: normalized
x-payment-info:
price:
mode: fixed
currency: USD
amount: '0.012000'
protocols:
- x402: {}
parameters:
- name: game
in: query
required: true
description: 'TCGplayer game: categoryId (e.g. 3) or name (e.g. "pokemon").'
schema:
type: string
minLength: 1
maxLength: 60
- name: set
in: query
required: true
description: groupId of the set (from tcg.sets).
schema:
type: integer
exclusiveMinimum: true
minimum: 0
- name: limit
in: query
required: false
description: Max cards to return (default 100, max 500).
schema:
type: integer
minimum: 1
maximum: 500
- $ref: '#/components/parameters/TrialMode'
/api/tcg/sets:
get:
tags:
- tcg
summary: List the sets (groups) for a trading-card game - e.g
description: 'List the sets (groups) for a trading-card game — e.g. every Pokemon or Magic: The Gathering set. Pass game (a categoryId like 3, or a name like "pokemon"/"magic" — resolved against tcg.games), optional q (case-insensitive substring filter on set name), and optional limit (default 100, max 500). Each row is { groupId, name, abbreviation, publishedOn, isSupplemental }. Use the groupId as the `set` parameter on tcg.set-prices / tcg.card. total is the full match count (pre-limit). Source: TCGplayer-derived pricing via tcgcsv.com.'
operationId: tcg_sets
deprecated: false
security:
- x402Payment: []
responses:
'200':
description: 'Normalized envelope: items = sets (capped to limit); total = full match count; meta.categoryId is the resolved game id.'
content:
application/json:
schema:
type: object
required:
- data
- meta
properties:
data:
type: object
properties:
ok:
type: boolean
enum:
- true
items:
type: array
items:
type: object
properties:
groupId:
type: number
name:
type: string
abbreviation:
type: string
nullable: true
publishedOn:
type: string
nullable: true
isSupplemental:
type: boolean
required:
- groupId
- name
- abbreviation
- publishedOn
- isSupplemental
additionalProperties: false
total:
type: integer
nullable: true
description: Total matching rows upstream; null when unknown.
source:
$ref: '#/components/schemas/Source'
meta:
type: object
properties:
categoryId:
type: number
returned:
type: number
required:
- categoryId
- returned
additionalProperties: false
required:
- ok
- items
- total
- source
additionalProperties: false
meta:
$ref: '#/components/schemas/CallMeta'
'400':
$ref: '#/components/responses/BadRequest'
'402':
$ref: '#/components/responses/PaymentRequired'
'405':
$ref: '#/components/responses/MethodNotAllowed'
'500':
$ref: '#/components/responses/ServerError'
'502':
$ref: '#/components/responses/UpstreamError'
x-2s-id: tcg.sets
x-2s-version: null
x-2s-price:
usd: 0.012
x-2s-accepts:
- x402
x-2s-response-shape: normalized
x-payment-info:
price:
mode: fixed
currency: USD
amount: '0.012000'
protocols:
- x402: {}
parameters:
- name: game
in: query
required: true
description: 'TCGplayer game: categoryId (e.g. 3) or name (e.g. "pokemon", "magic").'
schema:
type: string
minLength: 1
maxLength: 60
- name: q
in: query
required: false
description: Case-insensitive substring filter on set name.
schema:
type: string
maxLength: 80
- name: limit
in: query
required: false
description: Max sets to return (default 100, max 500).
schema:
type: integer
minimum: 1
maximum: 500
- $ref: '#/components/parameters/TrialMode'
components:
schemas:
Source:
type: object
description: 'Provenance of the data: upstream provider, source URL, and license.'
properties:
provider:
type: string
description: Upstream data provider.
url:
type: string
description: Source URL or documentation link.
license:
type: string
description: License / usage terms for the data.
CallMeta:
type: object
description: Per-call meta envelope — endpoint id, cost, caller kind, settlement details.
X402PaymentRequiredV2:
type: object
description: x402 v2 PaymentRequired envelope. Pick any entry from accepts[], sign for that rail, retry with the PAYMENT-SIGNATURE header.
required:
- x402Version
- accepts
properties:
x402Version:
type: integer
const: 2
error:
type: string
description: Human-readable reason payment is required.
resource:
type: string
description: The resource URL being purchased.
accepts:
type: array
description: Payment requirement options, one per supported network (Base USDC, Solana USDC).
items:
type: object
required:
- scheme
- network
- amount
- asset
- payTo
- maxTimeoutSeconds
properties:
scheme:
type: string
enum:
- exact
network:
type: string
description: CAIP-2 network id, e.g. "eip155:8453" (Base) or "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp".
amount:
type: string
description: Price in atomic asset units (USDC has 6 decimals).
asset:
type: string
description: Asset contract address / mint.
payTo:
type: string
description: Treasury address to pay.
maxTimeoutSeconds:
type: integer
extra:
type: object
description: 'Rail-specific extras (EVM: EIP-712 domain name/version; Solana: feePayer).'
additionalProperties: true
extensions:
type: object
description: Optional discovery metadata (e.g. bazaar input/output schemas).
additionalProperties: true
responses:
PaymentRequired:
description: Payment required. Body contains the x402 PaymentRequirements envelope with a multi-network accepts array; the per-call price is in accepts[].amount (and on the operation as x-2s-price). Sign for whichever rail you hold USDC on (EIP-3009 for Base, partial SPL transfer for Solana) and retry with the PAYMENT-SIGNATURE header (X-PAYMENT also accepted for v1 clients).
content:
application/json:
schema:
$ref: '#/components/schemas/X402PaymentRequiredV2'
UpstreamError:
description: Upstream provider error.
MethodNotAllowed:
description: Method not allowed — see `Allow` header for the supported method.
ServerError:
description: Internal server error.
BadRequest:
description: Bad request — invalid parameters.
parameters:
TrialMode:
name: trial
in: query
required: false
description: 'Try before you buy. Set to 1 for one free real call per endpoint per hour — no wallet or payment needed — to verify the endpoint before paying. Equivalent to sending the "X-2s-Trial: 1" request header. Works on every endpoint.'
schema:
type: integer
enum:
- 1
securitySchemes:
x402Payment:
type: apiKey
in: header
name: PAYMENT-SIGNATURE
description: 'x402 protocol v2: base64-encoded PaymentPayload. Call any paid endpoint without auth to receive a 402 with a multi-network PaymentRequirements envelope. Sign for either rail: EIP-3009 transferWithAuthorization (Base USDC) OR a partial SPL token transfer (Solana USDC). Retry with PAYMENT-SIGNATURE header. X-PAYMENT is also accepted for v1 buyer clients. See https://x402.org.'