Datasets:

electricsheepafrica
/

nigerian-banking-chargebacks

chargeback_id stringlengths 13 13	transaction_date timestamp[ns]date 2023-01-01 00:00:00 2024-12-30 00:00:00	dispute_date timestamp[ns]date 2023-01-31 00:00:00 2024-12-30 00:00:00	card_number stringlengths 19 19	amount_ngn float64 1k 5M	dispute_reason stringclasses 5 values	days_to_resolution int64 16 81	chargeback_won bool 2 classes
CB-0001530531	2024-06-28T00:00:00	2023-06-23T00:00:00	**--**-8462	33,926.095927	fraud	47	false
CB-0001217298	2024-04-09T00:00:00	2023-10-01T00:00:00	**--**-6515	12,689.684141	item_not_received	34	false
CB-0001095331	2023-06-30T00:00:00	2024-04-09T00:00:00	**--**-6990	28,926.232409	fraud	42	true
CB-0000250774	2023-01-15T00:00:00	2023-05-10T00:00:00	**--**-7417	105,690.172934	fraud	56	false
CB-0001557300	2024-11-28T00:00:00	2023-07-04T00:00:00	**--**-5329	117,326.201498	other	39	true
CB-0001528436	2023-08-04T00:00:00	2023-08-16T00:00:00	**--**-7241	2,532.843206	unauthorized	36	true
CB-0000640305	2023-12-08T00:00:00	2024-11-30T00:00:00	**--**-4264	12,563.782757	item_not_received	46	false
CB-0000075803	2024-01-28T00:00:00	2024-04-27T00:00:00	**--**-7262	883,453.123178	fraud	40	true
CB-0001723149	2023-11-18T00:00:00	2024-07-16T00:00:00	**--**-9871	18,742.042281	not_as_described	48	false
CB-0000639018	2024-09-22T00:00:00	2024-07-09T00:00:00	**--**-2642	93,973.305738	not_as_described	46	false
CB-0000013809	2024-06-13T00:00:00	2024-06-29T00:00:00	**--**-8167	47,639.936501	fraud	37	true
CB-0000713797	2023-07-12T00:00:00	2023-07-20T00:00:00	**--**-8657	586,404.527115	item_not_received	61	true
CB-0000831668	2023-11-19T00:00:00	2023-09-13T00:00:00	**--**-3511	49,910.917692	item_not_received	35	false
CB-0000669505	2024-09-16T00:00:00	2024-06-07T00:00:00	**--**-8462	7,404.272299	item_not_received	39	true
CB-0000930397	2024-08-02T00:00:00	2023-07-27T00:00:00	**--**-3218	75,008.13134	item_not_received	56	false
CB-0000442224	2024-05-10T00:00:00	2024-02-05T00:00:00	**--**-3058	273,106.515287	item_not_received	49	false
CB-0001745450	2024-07-08T00:00:00	2024-07-05T00:00:00	**--**-6937	767,524.34666	fraud	48	false
CB-0000322979	2024-08-19T00:00:00	2024-04-05T00:00:00	**--**-1246	33,671.889766	other	38	true
CB-0000492907	2023-09-16T00:00:00	2024-06-05T00:00:00	**--**-7142	247,457.170007	fraud	39	true
CB-0000357778	2024-06-13T00:00:00	2024-02-07T00:00:00	**--**-8081	115,893.77947	fraud	50	false
CB-0000269399	2024-09-15T00:00:00	2024-05-31T00:00:00	**--**-1893	34,630.457272	fraud	52	true
CB-0000967908	2023-01-14T00:00:00	2024-08-17T00:00:00	**--**-5485	17,861.093283	item_not_received	39	true
CB-0001888480	2023-08-04T00:00:00	2023-06-20T00:00:00	**--**-5499	61,177.625708	fraud	44	true
CB-0001284472	2023-01-11T00:00:00	2024-08-12T00:00:00	**--**-2977	11,320.507012	not_as_described	44	false
CB-0000653514	2024-09-06T00:00:00	2024-09-16T00:00:00	**--**-8006	32,044.824446	unauthorized	45	true
CB-0000101253	2023-02-15T00:00:00	2023-04-02T00:00:00	**--**-1952	47,034.037122	other	44	true
CB-0001858344	2023-08-12T00:00:00	2023-10-06T00:00:00	**--**-5868	334,194.996683	not_as_described	38	true
CB-0000313215	2023-11-12T00:00:00	2023-08-03T00:00:00	**--**-7736	1,916.20445	fraud	49	false
CB-0000169245	2024-06-13T00:00:00	2024-09-07T00:00:00	**--**-1947	79,479.637124	not_as_described	41	true
CB-0000432606	2024-02-15T00:00:00	2024-03-01T00:00:00	**--**-6940	209,928.234025	item_not_received	41	false
CB-0001695343	2024-07-25T00:00:00	2023-12-17T00:00:00	**--**-9665	16,973.773287	fraud	45	true
CB-0001369407	2024-05-27T00:00:00	2023-05-10T00:00:00	**--**-5991	38,661.126832	fraud	44	true
CB-0001312193	2024-03-21T00:00:00	2024-07-29T00:00:00	**--**-2176	57,957.869525	fraud	47	false
CB-0001472478	2023-03-04T00:00:00	2024-02-26T00:00:00	**--**-5831	115,427.658562	not_as_described	36	true
CB-0001345202	2024-10-09T00:00:00	2024-06-19T00:00:00	**--**-5567	26,752.021529	item_not_received	52	false
CB-0001720195	2023-05-22T00:00:00	2024-06-15T00:00:00	**--**-7572	41,682.512863	unauthorized	43	true
CB-0001312368	2023-02-20T00:00:00	2023-06-21T00:00:00	**--**-2891	34,479.809683	fraud	51	false
CB-0000203623	2023-09-06T00:00:00	2024-07-01T00:00:00	**--**-4609	63,103.099376	unauthorized	45	true
CB-0000271888	2023-04-19T00:00:00	2024-09-07T00:00:00	**--**-5230	323,077.297513	item_not_received	36	true
CB-0000457851	2023-03-05T00:00:00	2023-07-12T00:00:00	**--**-1041	2,130.249907	not_as_described	66	true
CB-0001229660	2023-10-15T00:00:00	2023-05-29T00:00:00	**--**-2976	14,475.182843	unauthorized	41	true
CB-0001893678	2023-04-03T00:00:00	2023-05-07T00:00:00	**--**-5619	2,794.649427	unauthorized	49	true
CB-0001597144	2024-04-10T00:00:00	2023-07-16T00:00:00	**--**-4288	43,937.275613	fraud	58	false
CB-0000267577	2023-01-11T00:00:00	2024-04-03T00:00:00	**--**-2987	16,340.680319	fraud	47	true
CB-0000035781	2024-11-22T00:00:00	2024-02-26T00:00:00	**--**-9925	85,882.768158	fraud	42	true
CB-0000895800	2024-09-21T00:00:00	2024-03-12T00:00:00	**--**-6653	22,892.96802	fraud	42	true
CB-0001657886	2024-03-04T00:00:00	2024-06-02T00:00:00	**--**-1052	94,759.392187	unauthorized	35	false
CB-0001609622	2023-10-16T00:00:00	2023-08-31T00:00:00	**--**-4955	65,803.138407	item_not_received	50	false
CB-0000407648	2024-09-20T00:00:00	2023-04-18T00:00:00	**--**-3613	9,621.8023	fraud	29	true
CB-0000551049	2024-10-31T00:00:00	2023-05-14T00:00:00	**--**-5657	219,621.081886	fraud	49	false
CB-0001593606	2023-02-07T00:00:00	2023-03-29T00:00:00	**--**-3199	81,393.552694	fraud	35	false
CB-0000756113	2024-03-17T00:00:00	2023-10-10T00:00:00	**--**-3576	40,755.270417	item_not_received	48	false
CB-0001873878	2023-04-23T00:00:00	2024-04-26T00:00:00	**--**-2771	29,386.690436	item_not_received	51	false
CB-0001289406	2023-08-07T00:00:00	2023-05-15T00:00:00	**--**-6197	45,362.811024	fraud	57	true
CB-0001741275	2024-07-28T00:00:00	2024-12-24T00:00:00	**--**-2313	103,547.651327	fraud	40	false
CB-0000532052	2023-05-23T00:00:00	2024-02-26T00:00:00	**--**-9614	107,411.921366	item_not_received	45	false
CB-0001607440	2024-07-30T00:00:00	2024-10-02T00:00:00	**--**-1951	763,610.487245	unauthorized	48	true
CB-0000778322	2024-11-07T00:00:00	2023-02-15T00:00:00	**--**-6414	146,472.894829	fraud	41	true
CB-0000565312	2023-04-29T00:00:00	2023-11-20T00:00:00	**--**-5618	42,453.282276	item_not_received	42	true
CB-0001024277	2024-04-14T00:00:00	2024-01-20T00:00:00	**--**-9430	45,154.186793	not_as_described	43	false
CB-0000135846	2023-09-01T00:00:00	2023-09-05T00:00:00	**--**-3461	825,658.351374	not_as_described	50	true
CB-0001035092	2023-07-27T00:00:00	2024-11-06T00:00:00	**--**-7367	287,852.297601	fraud	46	true
CB-0000444803	2024-03-13T00:00:00	2023-10-14T00:00:00	**--**-1019	47,595.689515	not_as_described	47	true
CB-0001869341	2024-02-29T00:00:00	2023-08-09T00:00:00	**--**-5219	170,691.400121	fraud	43	true
CB-0000454982	2023-11-07T00:00:00	2024-10-13T00:00:00	**--**-2094	29,479.58697	not_as_described	42	false
CB-0001806758	2023-06-02T00:00:00	2024-04-26T00:00:00	**--**-4440	9,004.252157	not_as_described	47	true
CB-0001806509	2023-12-07T00:00:00	2024-03-24T00:00:00	**--**-4725	11,348.796602	unauthorized	44	true
CB-0000289691	2023-05-29T00:00:00	2024-07-24T00:00:00	**--**-4565	199,571.681895	item_not_received	43	true
CB-0000528844	2023-11-11T00:00:00	2023-02-18T00:00:00	**--**-1789	31,778.076586	item_not_received	44	false
CB-0001358499	2024-10-14T00:00:00	2023-02-26T00:00:00	**--**-8617	216,323.99254	fraud	45	true
CB-0001751442	2024-10-26T00:00:00	2023-05-27T00:00:00	**--**-1433	112,672.472265	other	47	true
CB-0001072240	2023-03-26T00:00:00	2023-07-06T00:00:00	**--**-5480	10,337.914531	fraud	43	true
CB-0001455213	2024-08-10T00:00:00	2023-09-14T00:00:00	**--**-3467	2,192.692569	unauthorized	40	false
CB-0000532588	2024-03-21T00:00:00	2024-01-25T00:00:00	**--**-3746	119,011.802999	fraud	44	false
CB-0000716785	2024-03-28T00:00:00	2024-03-19T00:00:00	**--**-1526	156,934.453018	other	53	false
CB-0000826551	2023-04-12T00:00:00	2023-03-24T00:00:00	**--**-2371	12,196.841746	fraud	45	false
CB-0000307973	2023-07-03T00:00:00	2023-10-23T00:00:00	**--**-6123	31,245.049069	other	47	false
CB-0001341276	2023-03-20T00:00:00	2024-09-05T00:00:00	**--**-1000	23,376.693227	item_not_received	41	false
CB-0000998082	2023-03-06T00:00:00	2023-04-22T00:00:00	**--**-6802	19,784.798633	unauthorized	55	true
CB-0000743848	2023-08-12T00:00:00	2023-07-26T00:00:00	**--**-3343	59,659.274598	not_as_described	45	true
CB-0000506351	2023-09-15T00:00:00	2024-02-02T00:00:00	**--**-8707	29,286.724665	fraud	36	true
CB-0001912559	2024-03-08T00:00:00	2023-11-01T00:00:00	**--**-6415	7,305.078878	item_not_received	56	false
CB-0001453243	2024-03-27T00:00:00	2024-01-14T00:00:00	**--**-1506	4,460.726633	item_not_received	34	true
CB-0001335719	2024-04-16T00:00:00	2023-07-26T00:00:00	**--**-5254	46,883.888822	not_as_described	34	false
CB-0001845968	2024-04-17T00:00:00	2024-08-31T00:00:00	**--**-4838	5,131.773055	not_as_described	49	true
CB-0001808820	2024-10-10T00:00:00	2023-03-16T00:00:00	**--**-1889	148,119.514788	fraud	44	false
CB-0001217581	2023-05-10T00:00:00	2024-05-08T00:00:00	**--**-5874	72,924.510103	item_not_received	46	false
CB-0001772960	2024-10-27T00:00:00	2023-08-03T00:00:00	**--**-8797	369,530.967008	item_not_received	36	false
CB-0000854355	2023-01-27T00:00:00	2023-02-26T00:00:00	**--**-8735	23,633.886775	not_as_described	37	true
CB-0001597326	2024-10-25T00:00:00	2023-07-20T00:00:00	**--**-3830	2,547.194637	unauthorized	54	true
CB-0001058074	2024-02-28T00:00:00	2024-01-01T00:00:00	**--**-2206	1,045.880791	unauthorized	38	false
CB-0001561864	2023-05-17T00:00:00	2023-08-13T00:00:00	**--**-3358	89,194.174625	item_not_received	46	true
CB-0000681341	2024-03-02T00:00:00	2023-11-18T00:00:00	**--**-9081	47,216.705679	unauthorized	36	false
CB-0000383494	2024-02-29T00:00:00	2024-02-02T00:00:00	**--**-4788	417,185.636662	fraud	37	true
CB-0000414287	2024-12-03T00:00:00	2024-09-09T00:00:00	**--**-3329	105,864.171043	not_as_described	36	false
CB-0000623316	2024-06-21T00:00:00	2023-10-07T00:00:00	**--**-3369	232,392.444767	fraud	58	true
CB-0001936370	2023-09-29T00:00:00	2023-02-20T00:00:00	**--**-3320	4,548.772932	fraud	44	false
CB-0001960692	2024-01-24T00:00:00	2024-09-15T00:00:00	**--**-3320	23,899.162895	unauthorized	44	true
CB-0000356341	2024-12-18T00:00:00	2023-11-29T00:00:00	**--**-4250	41,493.352218	not_as_described	41	true
CB-0000877313	2024-07-26T00:00:00	2024-09-05T00:00:00	**--**-1869	91,239.300993	item_not_received	36	true

End of preview. Expand in Data Studio

Card Chargebacks & Disputes

Dataset Description

Nigerian card chargebacks and disputes with win/loss labels

This is a production-grade synthetic dataset with authentic Nigerian banking context, designed for chargeback win/loss prediction, dispute management, and fraud chargeback detection.

Key Features

🇳🇬 Nigerian Context: Real bank names, states, demographics
📊 ML-Ready Labels: Chargeback won flag (60% win rate)
⚡ Large Scale: 2,000,000 rows
🎯 Realistic Distributions: Lognormal amounts, dispute reason distributions, resolution time patterns
📅 Temporal Coverage: 2023-01-01 to 2024-12-31

Dataset Structure

Splits

Train: 1,400,000 rows (70%)
Validation: 300,000 rows (15%)
Test: 300,000 rows (15%)

Schema

Key columns: chargeback_id, transaction_date, dispute_date, masked card_number, amount_ngn, dispute_reason, days_to_resolution, chargeback_won

Usage

from datasets import load_dataset

# Load full dataset
dataset = load_dataset("electricsheepafrica/nigerian_chargebacks")

# Load specific split
train_data = load_dataset("electricsheepafrica/nigerian_chargebacks", split="train")

Labels

Type: Chargeback won flag (60% win rate)
Use Case: chargeback win/loss prediction, dispute management, and fraud chargeback detection

Nigerian Context

Nigerian chargeback patterns, common dispute reasons (fraud 35%, item not received 25%, not as described 20%), typical resolution times, and factors affecting win rates (3DS, documentation, receipts).

Citation

@dataset{nigerian_banking_chargebacks,
  title = {Nigerian Card Chargebacks & Disputes},
  author = {Electric Sheep Africa},
  year = {2025},
  publisher = {Hugging Face},
  howpublished = {\url{https://huggingface.co/datasets/electricsheepafrica/nigerian_chargebacks}}
}

License

Apache 2.0 - Free for commercial and research use.

Contact

Organization: Electric Sheep Africa
Collection: Nigeria Banking & Finance Datasets

Downloads last month: 10

Size of downloaded dataset files:

42.5 MB

Size of the auto-converted Parquet files:

42.5 MB

Number of rows:

2,000,000

Collection including electricsheepafrica/nigerian-banking-chargebacks

Nigerian Banking

Collection

20 Nigerian banking datasets for ML research, fraud detection, and financial analytics. • 20 items • Updated Oct 20, 2025 • 1