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

46/100

Top Performer

apilayer.com

How does your finance & fintech apis compare?

#	Site	Score	Grade	Discovery	Data Quality	Actionability
	apilayer.com	90	A	98	89	74
2	twelvedata.com	88	A	99	93	58
3	abstractapi.com	85	A	100	87	52
4	plaid.com	82	B+	82	96	52
5	razorpay.com	82	B+	93	88	47
6	alpaca.markets	78	B+	81	91	47
7	polygon.io	78	B+	76	92	52
8	boleto.cloud	77	B+	80	90	47
9	mercadopago.com.br	77	B+	76	93	47
10	billplz.com	73	B	76	87	38
11	portfoliooptimizer.io	72	B	80	79	42
12	marketstack.com	67	B	57	87	47
13	zoho.com	67	B	62	74	62
14	dashboard.nbshare.io	63	C+	44	87	52
15	fred.stlouisfed.org	55	C+	36	79	43
16	econdb.com	54	C	45	73	32
17	docs.klarna.com	47	C	59	33	52
18	styvio.com	46	C	59	36	38
19	mono.co	42	D	44	38	47
20	labs.ig.com	39	D	43	41	27
21	intrinio.com	39	D	40	39	38
22	stockdata.org	37	D	39	33	39
23	binlist.net	36	D	38	34	36
24	sandbox.developerhub.citi.com	36	D	34	35	44
25	finnhub.io	36	D	34	40	32
26	fiscaldata.treasury.gov	35	D	30	41	33
27	finage.co.uk	35	D	38	27	47
28	aletheiaapi.com	33	D	30	34	36
29	frontaccounting.com	33	D	25	31	52
30	sec.gov	32	D	21	38	43
31	hotstoks.com	31	D	29	32	32
32	openfigi.com	30	D	20	34	43
33	alphavantage.co	29	F	18	37	33
34	developer.tradier.com	28	F	24	30	32
35	site.financialmodelingprep.com	27	F	18	27	43
36	mfapi.in	26	F	18	33	27
37	api.youneedabudget.com	25	F	14	31	37
38	smartapi.angelbroking.com	23	F	18	25	27
39	docs.moov.io	16	F	28	0	24
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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