
AgentGatePay
x402
Real-world tasks your agent can't do alone.

Zoho Invoice
Wise
The Invoice Machine
ChargeDesk
InvoiceOcean
EasyBill
Coupa
Your financial operations platform. The intelligent way to create and pay bills, send invoices, manage expenses, control budgets, and access the credit your business needs to grow—all on one platform.

Which is more popular?
Based on our record, Bill.com seems to be a lot more popular than Underscore Done. While we know about 259 links to Bill.com, we've tracked only 1 mention of Underscore Done.
Website, pricing, platforms and company facts side by side.
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| Website | underscoredone.com | bill.com |
| Pricing | ||
| Company | Startup from the United States · 2026 | Startup from the United States |
| Listed in |
In their own words, as submitted to SaaSHub.


Underscore Done (_done) is a suite of pay-per-call utility APIs built for AI agents. No API keys, no subscriptions - agents pay per request with USDC via the x402 protocol
No description of Bill.com yet.
What each product offers, as listed by its team.


No features have been listed yet.
Possible disadvantages
An editorial look at what each product does well and who it suits.


No analysis of Underscore Done yet.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
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Bill.com Review by LedgerGurus
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How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Underscore Done and Bill.com.
Underscore Done's answer
We provide data and actions that AI cannot achieve.
Also we don't require accounts, registration, api keys. And we charge per usage and never charge monthly subscriptions.
Underscore Done's answer
Ai Agents that work on behalf of people.
Share your experience with using Underscore Done and Bill.com. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


We have no reviews of Underscore Done yet. Be the first one to post
Are you looking for an alternative to Bill.com for your invoicing needs? We’ve got you covered! We asked nine business leaders and experts to share their top alternatives to Bill.com for invoicing. From affordable...
Bill.com is suitable for slower-growth small businesses with low payment volumes and limited remittances capabilities. The average revenue per customer of Bill.com is $1,500. Therefore, many AP automation capabilities...
Plastiq is a simplified and more affordable option compared to Bill.com. They offer a solution for accounts payable and receivable without a sign-up fee, subscription fee, or fees for most transactions. They do,...
Recommendations tracked on public social media and blogs since March 2021.


_done is a catalog of small, pay-per-call utility APIs aimed at AI agents: things like DNS and WHOIS lookups, screenshots, OCR, hashing, QR codes, and SEO extraction. Every call costs one cent in USDC over x402. There's no account and no... - Source: dev.to / 12 days ago
I mean.... This is how it is everywhere... You could use bill.com but it still has a monthly fee, however if youre sending multiple invoices like so, the monthly fee is paid for in just 2 clients of yours... Honestly a $66 processing fee... Source: almost 3 years ago
Bill.com have just gotten back to me saying they haven't received the money back (which nationwide said would have only taken 5 days from the 23rd November) and that SWIFT have told them that they did infact have my full name on the... Source: almost 3 years ago
What platforms do you use to collect payment from our clients? I was thinking of using bill.com or stripe for now until I find a new method and then pay out the influencers. Source: about 3 years ago
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