Global LEI Register
GLEIF's Global LEI Index of ~2.9M legal entities. Not endorsed by GLEIF.
- cost
- Free every endpoint, within the daily allowance
- after that
- from $0.002 / call · card or USDC
- endpoints
- 11
No signup needed over MCP: 50 free calls a day, or 500 with a free key.
LEI lookup Free
Legal name, addresses, jurisdiction, legal form, status and registration for one LEI.
- cost
- Free then $0.003 / call
- MCP tool
- gleif__lookup
- method
- GET
Free up to 50 calls a day over MCP (500 with a free key), then $0.003 per call by card credit or USDC. Free key · Pay by card
GET https://fourzerotwo.si/v1/gleif/lookup
| Param | Type | Description |
|---|---|---|
| lei | string | 20-character Legal Entity Identifier |
# free: send a free key from https://fourzerotwo.si/free curl -H "X-API-Key: fzt_…" "https://fourzerotwo.si/v1/gleif/lookup?lei=5493001KJTIIGC8Y1R12" # no key: returns 402 with the price, for x402 agents curl -i "https://fourzerotwo.si/v1/gleif/lookup?lei=5493001KJTIIGC8Y1R12"
by fourzerotwo
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Search by legal name Free
Entities whose legal name matches.
- cost
- Free then $0.003 / call
- MCP tool
- gleif__search
- method
- GET
Free up to 50 calls a day over MCP (500 with a free key), then $0.003 per call by card credit or USDC. Free key · Pay by card
GET https://fourzerotwo.si/v1/gleif/search
| Param | Type | Description |
|---|---|---|
| name | string | Legal name |
# free: send a free key from https://fourzerotwo.si/free curl -H "X-API-Key: fzt_…" "https://fourzerotwo.si/v1/gleif/search?name=Bloomberg%20Finance%20L.P." # no key: returns 402 with the price, for x402 agents curl -i "https://fourzerotwo.si/v1/gleif/search?name=Bloomberg%20Finance%20L.P."
by fourzerotwo
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Fuzzy name match Free
Best fuzzy matches of a name to LEIs — for messy company names.
- cost
- Free then $0.003 / call
- MCP tool
- gleif__fuzzy
- method
- GET
Free up to 50 calls a day over MCP (500 with a free key), then $0.003 per call by card credit or USDC. Free key · Pay by card
GET https://fourzerotwo.si/v1/gleif/fuzzy
| Param | Type | Description |
|---|---|---|
| q | string | Approximate name |
# free: send a free key from https://fourzerotwo.si/free curl -H "X-API-Key: fzt_…" "https://fourzerotwo.si/v1/gleif/fuzzy?q=deutsche%20bank" # no key: returns 402 with the price, for x402 agents curl -i "https://fourzerotwo.si/v1/gleif/fuzzy?q=deutsche%20bank"
by fourzerotwo
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Autocomplete Free
Name autocompletion across the LEI index.
- cost
- Free then $0.002 / call
- MCP tool
- gleif__autocomplete
- 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/gleif/autocomplete
| Param | Type | Description |
|---|---|---|
| q | string | Partial name |
# free: send a free key from https://fourzerotwo.si/free curl -H "X-API-Key: fzt_…" "https://fourzerotwo.si/v1/gleif/autocomplete?q=barcla" # no key: returns 402 with the price, for x402 agents curl -i "https://fourzerotwo.si/v1/gleif/autocomplete?q=barcla"
by fourzerotwo
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Direct parent Free
The direct accounting parent of an entity.
- cost
- Free then $0.003 / call
- MCP tool
- gleif__direct-parent
- method
- GET
Free up to 50 calls a day over MCP (500 with a free key), then $0.003 per call by card credit or USDC. Free key · Pay by card
GET https://fourzerotwo.si/v1/gleif/direct-parent
| Param | Type | Description |
|---|---|---|
| lei | string | LEI |
# free: send a free key from https://fourzerotwo.si/free curl -H "X-API-Key: fzt_…" "https://fourzerotwo.si/v1/gleif/direct-parent?lei=G5GSEF7VJP5I7OUK5573" # no key: returns 402 with the price, for x402 agents curl -i "https://fourzerotwo.si/v1/gleif/direct-parent?lei=G5GSEF7VJP5I7OUK5573"
by fourzerotwo
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Ultimate parent Free
The ultimate accounting parent of an entity.
- cost
- Free then $0.003 / call
- MCP tool
- gleif__ultimate-parent
- method
- GET
Free up to 50 calls a day over MCP (500 with a free key), then $0.003 per call by card credit or USDC. Free key · Pay by card
GET https://fourzerotwo.si/v1/gleif/ultimate-parent
| Param | Type | Description |
|---|---|---|
| lei | string | LEI |
# free: send a free key from https://fourzerotwo.si/free curl -H "X-API-Key: fzt_…" "https://fourzerotwo.si/v1/gleif/ultimate-parent?lei=G5GSEF7VJP5I7OUK5573" # no key: returns 402 with the price, for x402 agents curl -i "https://fourzerotwo.si/v1/gleif/ultimate-parent?lei=G5GSEF7VJP5I7OUK5573"
by fourzerotwo
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Direct children Free
Entities directly owned by this entity.
- cost
- Free then $0.003 / call
- MCP tool
- gleif__direct-children
- method
- GET
Free up to 50 calls a day over MCP (500 with a free key), then $0.003 per call by card credit or USDC. Free key · Pay by card
GET https://fourzerotwo.si/v1/gleif/direct-children
| Param | Type | Description |
|---|---|---|
| lei | string | LEI |
# free: send a free key from https://fourzerotwo.si/free curl -H "X-API-Key: fzt_…" "https://fourzerotwo.si/v1/gleif/direct-children?lei=G5GSEF7VJP5I7OUK5573" # no key: returns 402 with the price, for x402 agents curl -i "https://fourzerotwo.si/v1/gleif/direct-children?lei=G5GSEF7VJP5I7OUK5573"
by fourzerotwo
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Branches Free
Registered branches of an entity.
- cost
- Free then $0.003 / call
- MCP tool
- gleif__branches
- method
- GET
Free up to 50 calls a day over MCP (500 with a free key), then $0.003 per call by card credit or USDC. Free key · Pay by card
GET https://fourzerotwo.si/v1/gleif/branches
| Param | Type | Description |
|---|---|---|
| lei | string | LEI |
# free: send a free key from https://fourzerotwo.si/free curl -H "X-API-Key: fzt_…" "https://fourzerotwo.si/v1/gleif/branches?lei=G5GSEF7VJP5I7OUK5573" # no key: returns 402 with the price, for x402 agents curl -i "https://fourzerotwo.si/v1/gleif/branches?lei=G5GSEF7VJP5I7OUK5573"
by fourzerotwo
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LEI by ISIN Free
Which entity issued a security, by ISIN.
- cost
- Free then $0.003 / call
- MCP tool
- gleif__by-isin
- method
- GET
Free up to 50 calls a day over MCP (500 with a free key), then $0.003 per call by card credit or USDC. Free key · Pay by card
GET https://fourzerotwo.si/v1/gleif/by-isin
| Param | Type | Description |
|---|---|---|
| isin | string | ISIN |
# free: send a free key from https://fourzerotwo.si/free curl -H "X-API-Key: fzt_…" "https://fourzerotwo.si/v1/gleif/by-isin?isin=US0378331005" # no key: returns 402 with the price, for x402 agents curl -i "https://fourzerotwo.si/v1/gleif/by-isin?isin=US0378331005"
by fourzerotwo
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LEI by BIC Free
Which entity holds a SWIFT/BIC code.
- cost
- Free then $0.003 / call
- MCP tool
- gleif__by-bic
- method
- GET
Free up to 50 calls a day over MCP (500 with a free key), then $0.003 per call by card credit or USDC. Free key · Pay by card
GET https://fourzerotwo.si/v1/gleif/by-bic
| Param | Type | Description |
|---|---|---|
| bic | string | BIC |
# free: send a free key from https://fourzerotwo.si/free curl -H "X-API-Key: fzt_…" "https://fourzerotwo.si/v1/gleif/by-bic?bic=DEUTDEFFXXX" # no key: returns 402 with the price, for x402 agents curl -i "https://fourzerotwo.si/v1/gleif/by-bic?bic=DEUTDEFFXXX"
by fourzerotwo
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ISINs issued Free
Securities (ISINs) issued by an entity.
- cost
- Free then $0.003 / call
- MCP tool
- gleif__isins
- method
- GET
Free up to 50 calls a day over MCP (500 with a free key), then $0.003 per call by card credit or USDC. Free key · Pay by card
GET https://fourzerotwo.si/v1/gleif/isins
| Param | Type | Description |
|---|---|---|
| lei | string | LEI |
# free: send a free key from https://fourzerotwo.si/free curl -H "X-API-Key: fzt_…" "https://fourzerotwo.si/v1/gleif/isins?lei=HWUPKR0MPOU8FGXBT394" # no key: returns 402 with the price, for x402 agents curl -i "https://fourzerotwo.si/v1/gleif/isins?lei=HWUPKR0MPOU8FGXBT394"
by fourzerotwo
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Source: Global Legal Entity Identifier Foundation (GLEIF), LEI data available under CC0 1.0.