FinTech APIs vs. AI Agents: 45 Financial Providers Ranked (2026)

Financial APIs handle the most valuable data on the web. We audited 45 finance and fintech API providers — from market data to payments — to see which ones are truly ready for AI agents.

Sites Audited

Average Score

49/100

Top Performer

apilayer.com

How does your finance & fintech apis compare?

#	Site	Score	Grade	Discovery	Data Quality	Actionability
	apilayer.com	90	A	98	91	74
2	twelvedata.com	89	A	100	93	58
3	site.financialmodelingprep.com	89	A	100	92	59
4	abstractapi.com	86	A	95	89	64
5	plaid.com	86	A	94	94	52
6	razorpay.com	81	B+	93	85	47
7	alpaca.markets	78	B+	81	91	47
8	mercadopago.com.br	78	B+	78	93	47
9	zoho.com	78	B+	88	75	62
10	boleto.cloud	77	B+	80	90	47
11	polygon.io	76	B+	70	93	52
12	marketstack.com	75	B+	77	87	47
13	portfoliooptimizer.io	72	B	80	80	42
14	billplz.com	71	B	76	83	38
15	dashboard.nbshare.io	67	B	48	93	52
16	fred.stlouisfed.org	55	C+	36	79	43
17	econdb.com	54	C	45	73	32
18	docs.klarna.com	47	C	59	33	52
19	docs.moov.io	44	D	44	39	52
20	styvio.com	41	D	51	36	33
21	mono.co	39	D	35	40	47
22	labs.ig.com	39	D	43	41	27
23	intrinio.com	39	D	39	39	38
24	stockdata.org	37	D	39	33	39
25	binlist.net	36	D	38	34	36
26	sandbox.developerhub.citi.com	36	D	34	35	44
27	finnhub.io	36	D	34	40	32
28	fiscaldata.treasury.gov	35	D	30	41	33
29	finage.co.uk	35	D	38	27	47
30	frontaccounting.com	33	D	25	31	52
31	sec.gov	33	D	22	38	43
32	hotstoks.com	33	D	34	32	32
33	aletheiaapi.com	32	D	30	33	36
34	smartapi.angelbroking.com	32	D	24	37	36
35	openfigi.com	30	D	20	34	43
36	alphavantage.co	29	F	18	37	33
37	developer.tradier.com	28	F	24	30	32
38	mfapi.in	26	F	18	33	27
39	api.youneedabudget.com	25	F	14	31	37
40	developers.bb.com.br	8	F	8	0	24
41	iexcloud.io	8	F	8	0	24
42	nordigen.com	8	F	8	0	24
43	yahoofinanceapi.com	8	F	8	0	24

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