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UK Parliament Bills

The UK Parliament Bills API.

cost
Free every endpoint, within the daily allowance
after that
from $0.001 / call · card or USDC
endpoints
6

No signup needed over MCP: 50 free calls a day, or 500 with a free key.

Bill types Free

Categories of bill.

cost
Free then $0.001 / call
MCP tool
uk-parliament-bills__bill-types
method
GET

Free up to 50 calls a day over MCP (500 with a free key), then $0.001 per call by card credit or USDC. Free key · Pay by card

GET https://fourzerotwo.si/v1/uk-parliament-bills/bill-types

# free: send a free key from https://fourzerotwo.si/free
curl -H "X-API-Key: fzt_…" "https://fourzerotwo.si/v1/uk-parliament-bills/bill-types"

# no key: returns 402 with the price, for x402 agents
curl -i "https://fourzerotwo.si/v1/uk-parliament-bills/bill-types"

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Bill Free

Title, current stage, house, sponsors and royal assent status of a bill.

cost
Free then $0.002 / call
MCP tool
uk-parliament-bills__bill
method
GET

Free up to 50 calls a day over MCP (500 with a free key), then $0.002 per call by card credit or USDC. Free key · Pay by card

GET https://fourzerotwo.si/v1/uk-parliament-bills/bill

ParamTypeDescription
id integer Bill id (from bill search)
# free: send a free key from https://fourzerotwo.si/free
curl -H "X-API-Key: fzt_…" "https://fourzerotwo.si/v1/uk-parliament-bills/bill?id=3462"

# no key: returns 402 with the price, for x402 agents
curl -i "https://fourzerotwo.si/v1/uk-parliament-bills/bill?id=3462"

by fourzerotwo

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Bill stages Free

Every stage a bill has passed through, with dates.

cost
Free then $0.002 / call
MCP tool
uk-parliament-bills__stages
method
GET

Free up to 50 calls a day over MCP (500 with a free key), then $0.002 per call by card credit or USDC. Free key · Pay by card

GET https://fourzerotwo.si/v1/uk-parliament-bills/stages

ParamTypeDescription
id integer Bill id (from bill search)
# free: send a free key from https://fourzerotwo.si/free
curl -H "X-API-Key: fzt_…" "https://fourzerotwo.si/v1/uk-parliament-bills/stages?id=3462"

# no key: returns 402 with the price, for x402 agents
curl -i "https://fourzerotwo.si/v1/uk-parliament-bills/stages?id=3462"

by fourzerotwo

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Bill publications Free

Bill texts, explanatory notes and impact assessments.

cost
Free then $0.002 / call
MCP tool
uk-parliament-bills__publications
method
GET

Free up to 50 calls a day over MCP (500 with a free key), then $0.002 per call by card credit or USDC. Free key · Pay by card

GET https://fourzerotwo.si/v1/uk-parliament-bills/publications

ParamTypeDescription
id integer Bill id (from bill search)
# free: send a free key from https://fourzerotwo.si/free
curl -H "X-API-Key: fzt_…" "https://fourzerotwo.si/v1/uk-parliament-bills/publications?id=3462"

# no key: returns 402 with the price, for x402 agents
curl -i "https://fourzerotwo.si/v1/uk-parliament-bills/publications?id=3462"

by fourzerotwo

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Bill news Free

News articles about a bill.

cost
Free then $0.002 / call
MCP tool
uk-parliament-bills__news
method
GET

Free up to 50 calls a day over MCP (500 with a free key), then $0.002 per call by card credit or USDC. Free key · Pay by card

GET https://fourzerotwo.si/v1/uk-parliament-bills/news

ParamTypeDescription
id integer Bill id (from bill search)
# free: send a free key from https://fourzerotwo.si/free
curl -H "X-API-Key: fzt_…" "https://fourzerotwo.si/v1/uk-parliament-bills/news?id=3462"

# no key: returns 402 with the price, for x402 agents
curl -i "https://fourzerotwo.si/v1/uk-parliament-bills/news?id=3462"

by fourzerotwo

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Contains Parliamentary information licensed under the Open Parliament Licence v3.0.