Tools (3)

lookup_bin
get_card_brands
report_feedback

lookup_bin

Identify the card brand, type, and category from a Bank Identification Number (BIN).

Matches the input against well-known public BIN prefix ranges for Visa,
Mastercard, American Express, Discover, JCB, UnionPay, Diners Club, and Maestro.

Args:
bin_digits: The first 6-8 digits of a payment card number.

Parameter	Type	Required	Description
`bin_digits`	`string`	required	First 6-8 digits of a payment card number.

Request Body

{
  "bin_digits": "123456789"
}

get_card_brands

List all card brands that can be identified from BIN prefixes.

Returns the sorted list of known card brands (e.g. Visa, Mastercard, etc.).

Request Body

{
  "query": "example"
}

report_feedback

Report a bug, feature request, or general feedback for this data source.

Use this when something doesn't work as expected, when you'd like
a new feature, or when you have suggestions for improvement.

Args:
feedback: Describe the issue or suggestion.
feedback_type: One of 'bug', 'feature_request', or 'general'.

Parameter	Type	Required	Description
`feedback`	`string`	required
`feedback_type`	`string`	optional	(default: "general")

Request Body

{
  "feedback": "example"
}

Quick Start

Shell

curl -X POST "https://context.gnist.ai/rest/bin-lookup/lookup_bin" \
  -H "Content-Type: application/json" \
  -H "Gnist-API-Key: YOUR_API_KEY" \
  -d '{"bin_digits": "example"}'

Python

import httpx

resp = httpx.post(
    "https://context.gnist.ai/rest/bin-lookup/lookup_bin",
    headers={"Gnist-API-Key": "YOUR_API_KEY"},
    json={
  "bin_digits": "example"
},
)
print(resp.json())