APIs · head to head
Ably vs Yodlee

Ably
APIs
Realtime data delivery platform for pub/sub messaging at scale
- From
- Free
- Rated
- -

Yodlee
APIs
Long-running financial data aggregation with deep transaction history
- From
- On request
- Rated
- -
The short version
- Only Ably has a free tier, so it costs nothing to try first.
- Each has a real cost: Ably standard and Pro plans layer usage-based charges for messages, connection minutes, and data transfer on top of the base subscription, adding cost complexity.; Yodlee ownership has changed twice in two years, from Envestnet to Bain Capital control and then to STG in 2025, so the roadmap is now set by a financial sponsor and long term product direction is harder to rely on than it was.
- They diverge on capability: Ably covers Pub/sub messaging, Yodlee covers Account aggregation.
- Prices and features above were last checked on 31 August 2026.
Where they differ
Only the attributes on which Ably and Yodlee actually diverge.
Identical on both: user rating (Not yet rated), category (APIs).
What each one covers
Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.
Only in Ably
- Pub/sub messaging
- Presence
- Message persistence
- Multi-protocol support
- Encryption
- Datadog integration
Only in Yodlee
- Account aggregation
- Long transaction history
- Investment and holdings data
- Account verification
- Transaction enrichment
- Cash flow analytics
- Document retrieval
- International coverage
What people use each for
The jobs each tool is most often brought in to do.
Ably
- Building realtime chat or collaborative appsnot Yodlee
- Delivering live data feeds like stock prices or sports scoresnot Yodlee
- Broadcasting notifications to many concurrent clientsnot Yodlee
- Running mission-critical realtime infrastructure with high uptime SLAsnot Yodlee
Yodlee
- A wealth platform that needs held-away brokerage holdings as well as bank balances to show a client their complete positionnot Ably
- A lender doing cash flow underwriting that needs several years of transaction history rather than the ninety days newer aggregators returnnot Ably
- A financial institution needing statement and tax document retrieval alongside transaction datanot Ably
- A firm operating in several countries that wants one aggregator rather than a US provider plus a European onenot Ably
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
Ably
- Standard and Pro plans layer usage-based charges for messages, connection minutes, and data transfer on top of the base subscription, adding cost complexity.
- The jump from Standard ($29/month) to Pro ($399/month) is steep for teams needing more than 10k connections but not full Pro capacity.
- 24/7 mission-critical support and 99.999% uptime SLAs are reserved for the custom-priced Enterprise tier.
Yodlee
- Ownership has changed twice in two years, from Envestnet to Bain Capital control and then to STG in 2025, so the roadmap is now set by a financial sponsor and long term product direction is harder to rely on than it was.
- Parts of the connection estate still depend on credential based access, which banks and regulators are phasing out in favour of FDX APIs, so coverage will shift as institutions withdraw the older method and the migration is not under your control.
- The platform predates modern API design and developers consistently find the integration heavier and the data model more idiosyncratic than newer aggregators, which lengthens build time.
- Pricing is enterprise shaped with annual commitments and nothing published, so small and mid sized buyers have no anchor and cannot start without a sales cycle.
- Investment data, document retrieval and analytics are licensed on top of core aggregation, so the capabilities that justify choosing Yodlee over a cheaper rival are the ones that raise the price above it.
Pricing, plan by plan
Ably
Free- FreeFree
- 200 concurrent connections
- 500 messages/second
- 6M messages/month
- Standard$29/month
- 10k concurrent channels
- 10k concurrent connections
- 2.5k messages/second
- Pro$399/month
- 50k concurrent channels
- 50k concurrent connections
- 10k messages/second
Yodlee
On request- Yodlee Data Platform$undefined/year
- Priced by connected users, refresh frequency and data types
- Investment and document retrieval licensed separately from core aggregation
- Enterprise agreements with annual commitments
Which should you pick?
Choose Ably if
- You need pub/sub messaging.
- You want to start without paying.
- You work on web, ios, android, api.
- You also want presence.
Choose Yodlee if
- You need account aggregation.
- You work on API, Web.
- You also want long transaction history.
Questions people ask
- Is Ably or Yodlee better?
- Neither clearly leads. Ably starts at Free and Yodlee at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, Ably or Yodlee?
- Ably has a free tier; the other does not. Paid plans start at Free for Ably and On request for Yodlee.
- Does Ably or Yodlee run on more platforms?
- Ably runs on web, ios, android, api. Yodlee runs on API, Web.
- Can I use Ably for free?
- Yes. Ably has a free tier, so you can try it without paying. Yodlee starts at On request.
- What is Ably best used for?
- Ably is most often used for building realtime chat or collaborative apps, delivering live data feeds like stock prices or sports scores, broadcasting notifications to many concurrent clients, running mission-critical realtime infrastructure with high uptime slas. Of those, building realtime chat or collaborative apps and delivering live data feeds like stock prices or sports scores are not what Yodlee is typically brought in for.
- What can Ably do that Yodlee cannot?
- Ably covers Pub/sub messaging, Presence, Message persistence, Multi-protocol support. Yodlee covers Account aggregation, Long transaction history, Investment and holdings data, Account verification.
Answered from the vendors’ own pages
Ably: What does Ably cost?
Ably offers a free plan with 200 concurrent connections, a Standard plan at $29/month plus usage, a Pro plan at $399/month plus usage, and custom Enterprise pricing with unlimited channels and connections.
SourceYodlee: Who owns Yodlee now?
Private equity firm STG, which acquired it from Envestnet in a deal closing in 2025. Envestnet, itself taken private by Bain Capital and Reverence Capital in 2024, retained access through a partnership.
Ably: Is there a free plan, and what are its limits?
Yes, the free plan includes 200 concurrent connections, 500 messages per second, and 6 million messages per month with community and best-effort email support.
SourceYodlee: Why choose Yodlee over Plaid?
Longer transaction history, deeper investment and held-away account coverage, and document retrieval. Those are wealth management and underwriting requirements rather than consumer fintech ones.
Ably: How is usage metered?
Beyond plan limits, Ably charges usage-based rates of $2.50 per million messages, $1.00 per million connection minutes, $1.00 per million channel minutes, and $0.25 per GiB of data transfer, with volume discounts available.
SourceYodlee: Does it still use screen scraping?
Parts of the estate rely on credential based connections, which the industry is phasing out in favour of regulated APIs. Ask for direct API coverage by institution before signing.
Yodlee: Is pricing published?
No. It is quoted by connected users, refresh frequency and data types, with investment data and document retrieval priced separately.
Related pages
Other head to heads
- Ably vs Pusher
- Ably vs PubNub
- Ably vs Liveblocks
- Ably vs Svix
- Ably vs Apollo GraphQL
- Ably vs Paymentology
- Ably vs Salt Edge
- Ably vs Convoy
- Ably vs Lithic
- Ably vs Brite Payments
- Ably vs Trustly
- Ably vs Directus
- Ably vs Dwolla
- Ably vs Enable Banking
- Ably vs Flybits
- Ably vs i2c
- Ably vs MX Technologies
- Ably vs Akoya
- Ably vs Method Financial
- Ably vs Tink
- Ably vs Bud Financial
- Ably vs Tribe Payments
- Ably vs Neonomics
- Ably vs Ozone API
- Ably vs Prisma
- Ably vs RapidAPI
- Ably vs REST Client VSCode
- Ably vs Rutter
- Ably vs Sensedia
- Ably vs Sila
- Yodlee vs Pusher
- Yodlee vs PubNub
- Yodlee vs Liveblocks
- Yodlee vs Svix
- Yodlee vs Apollo GraphQL
- Yodlee vs Paymentology
- Yodlee vs Salt Edge
- Yodlee vs Convoy
- Yodlee vs Lithic
- Yodlee vs Brite Payments
- Yodlee vs Trustly
- Yodlee vs Directus
- Yodlee vs Dwolla
- Yodlee vs Enable Banking
- Yodlee vs Flybits
- Yodlee vs i2c
- Yodlee vs MX Technologies
- Yodlee vs Akoya
- Yodlee vs Method Financial
- Yodlee vs Tink
- Yodlee vs Bud Financial
- Yodlee vs Tribe Payments
- Yodlee vs Neonomics
- Yodlee vs Ozone API
- Yodlee vs Prisma
- Yodlee vs RapidAPI
- Yodlee vs REST Client VSCode
- Yodlee vs Rutter
- Yodlee vs Sensedia
- Yodlee vs Sila
