Alpaca · Capability
OAuth API — Stock Pricing Data API
OAuth API — Stock Pricing Data API. 2 operations. Lead operation: Bars. Self-contained Naftiko capability covering one Alpaca business surface.
What You Can Do
GET
Getbarsstocks
— Bars
/v1/v2/stocks/{symbol}/bars
GET
Gettradesstocks
— Trades
/v1/v2/stocks/{symbol}/trades
MCP Tools
bars
Bars
read-only
idempotent
trades
Trades
read-only
idempotent
Capability Spec
naftiko: 1.0.0-alpha2
info:
label: OAuth API — Stock Pricing Data API
description: 'OAuth API — Stock Pricing Data API. 2 operations. Lead operation: Bars. Self-contained Naftiko capability
covering one Alpaca business surface.'
tags:
- Alpaca
- Stock Pricing Data API
created: '2026-05-19'
modified: '2026-05-19'
binds:
- namespace: env
keys:
ALPACA_API_KEY: ALPACA_API_KEY
capability:
consumes:
- type: http
namespace: oauth-stock-pricing-data-api
baseUri: https://data.alpaca.markets/v2
description: OAuth API — Stock Pricing Data API business capability. Self-contained, no shared references.
resources:
- name: v2-stocks-symbol-bars
path: /v2/stocks/{symbol}/bars
operations:
- name: getbarsstocks
method: GET
description: Bars
outputRawFormat: json
outputParameters:
- name: result
type: object
value: $.
inputParameters:
- name: Apca-Api-Key-Id
in: header
type: string
- name: Apca-Api-Secret-Key
in: header
type: string
- name: start
in: query
type: string
description: Filter data equal to or after this time in RFC-3339 format. Fractions of a second are not accepted.
- name: end
in: query
type: string
description: Filter data equal to or before this time in RFC-3339 format. Fractions of a second are not accepted.
- name: timeframe
in: query
type: string
description: 'Timeframe for the aggregation. Values are customizeable, frequently used examples: 1Min, 15Min, 1Hour,
1Day.'
- name: symbol
in: path
type: string
description: The symbol to query for
required: true
- name: v2-stocks-symbol-trades
path: /v2/stocks/{symbol}/trades
operations:
- name: gettradesstocks
method: GET
description: Trades
outputRawFormat: json
outputParameters:
- name: result
type: object
value: $.
inputParameters:
- name: Apca-Api-Key-Id
in: header
type: string
- name: Apca-Api-Secret-Key
in: header
type: string
- name: start
in: query
type: string
description: Filter data equal to or after this time in RFC-3339 format. Fractions of a second are not accepted.
- name: end
in: query
type: string
description: Filter data equal to or before this time in RFC-3339 format. Fractions of a second are not accepted.
- name: symbol
in: path
type: string
description: The symbol to query for
required: true
authentication:
type: apikey
key: APCA-API-KEY-ID
value: '{{env.ALPACA_API_KEY}}'
placement: header
exposes:
- type: rest
namespace: oauth-stock-pricing-data-api-rest
port: 8080
description: REST adapter for OAuth API — Stock Pricing Data API. One Spectral-compliant resource per consumed operation,
prefixed with /v1.
resources:
- path: /v1/v2/stocks/{symbol}/bars
name: v2-stocks-symbol-bars
description: REST surface for v2-stocks-symbol-bars.
operations:
- method: GET
name: getbarsstocks
description: Bars
call: oauth-stock-pricing-data-api.getbarsstocks
with:
Apca-Api-Key-Id: rest.Apca-Api-Key-Id
Apca-Api-Secret-Key: rest.Apca-Api-Secret-Key
start: rest.start
end: rest.end
timeframe: rest.timeframe
symbol: rest.symbol
outputParameters:
- type: object
mapping: $.
- path: /v1/v2/stocks/{symbol}/trades
name: v2-stocks-symbol-trades
description: REST surface for v2-stocks-symbol-trades.
operations:
- method: GET
name: gettradesstocks
description: Trades
call: oauth-stock-pricing-data-api.gettradesstocks
with:
Apca-Api-Key-Id: rest.Apca-Api-Key-Id
Apca-Api-Secret-Key: rest.Apca-Api-Secret-Key
start: rest.start
end: rest.end
symbol: rest.symbol
outputParameters:
- type: object
mapping: $.
- type: mcp
namespace: oauth-stock-pricing-data-api-mcp
port: 9090
transport: http
description: MCP adapter for OAuth API — Stock Pricing Data API. One tool per consumed operation, routed inline through
this capability's consumes block.
tools:
- name: bars
description: Bars
hints:
readOnly: true
destructive: false
idempotent: true
call: oauth-stock-pricing-data-api.getbarsstocks
with:
Apca-Api-Key-Id: tools.Apca-Api-Key-Id
Apca-Api-Secret-Key: tools.Apca-Api-Secret-Key
start: tools.start
end: tools.end
timeframe: tools.timeframe
symbol: tools.symbol
outputParameters:
- type: object
mapping: $.
- name: trades
description: Trades
hints:
readOnly: true
destructive: false
idempotent: true
call: oauth-stock-pricing-data-api.gettradesstocks
with:
Apca-Api-Key-Id: tools.Apca-Api-Key-Id
Apca-Api-Secret-Key: tools.Apca-Api-Secret-Key
start: tools.start
end: tools.end
symbol: tools.symbol
outputParameters:
- type: object
mapping: $.