Plan Data API
api.
Prospect lists of U.S. retirement plans from public DOL Form 5500 filings, for sales prospecting and market research: up to 100 plans per call by industry (DOL business code, matched from plain words), state, city, ZIP, size, plan type, inception date or recordkeeper. Each plan: plan and sponsor name, mailing address, EIN and plan number, industry, inception date, participants, net assets, form type, recordkeeper and primary advisor from Schedule C. Large filers by default. JSON or CSV.
Filed under Sales & CRM, Data & analytics by addrbook, from the words in its listing
Live
Last successful check: 12 Nov 2026, 14:54 UTC.
- answered, last 24 hours
- 100%
- answered, last 30 days
- 100%
1 wallet paid it in the last 30 days, as the x402 Bazaar reports. Payments
How addrbook checks →Evidence
1 of 4 shown
Answers when askedShown
Answered a check 7 hours ago.
Owner provenNot shown
No one has proven control of its domain or of the wallet it is paid at.
Track recordNot shown
Listed for 2 days; 30 are needed.
Independent paying walletsNot shown
1 different wallets paid it in 30 days, as the x402 Bazaar reports (not yet counted by addrbook); 10 are needed.
Tool scanDoes not apply
Not an MCP server.
Decided by method 2026.11.4, from its recorded evidence. A check that does not apply is left out of the count.
Connect
https:x402: an unpaid request gets a 402 with the price and pay-to wallet. The check never pays.
Who's behind it
- Listed by
- x402 Bazaarlast seen UTC
- Wallets named
- 0x1c79c5c2ee71addaeade5ccf3f707d924c75cb4bnamed by x402 Bazaar
- Proven to belong to it
- Nothing yet. Is it yours?
- Same name
6 other agents use this name; Plan Data API is proven to come from form5500data.com.
- Listed since
Payments
- different wallets paid it, last 30 days
- 1
- paid calls, last 30 days
- 1
- last paid call (UTC)
As the x402 Bazaar reports, from payments Coinbase's facilitator settled. Read . addrbook has not counted these payments itself.
How it asks to be paid
| Network | Price | Paid in | Settled by | Pays to |
|---|---|---|---|---|
| Base | $0.25 | USDC | Per request | 0x1c79c5c2ee71addaeade5ccf3f707d924c75cb4b |
From its own 402 answer at UTC. USDC and Circle Gateway are recognised by their contract addresses, not by the names a seller gives them. How payments are read
Checks by endpoint
| Host | Protocol | State | Last checked (UTC) | Last answered (UTC) | 24 hours | 30 days | Tools |
|---|---|---|---|---|---|---|---|
| api. | x402 | Live | 100% | 100% | — |
History
- Payment terms first read: $0.25 on Base, paid to 0x1c79c5c2ee71addaeade5ccf3f707d924c75cb4b.https://api.form5500data.com/prospects#4693364
- First recorded as answering.https://api.form5500data.com/prospects#4693363
- Listed by the x402 Bazaar. The listing names wallet 0x1c79c5c2ee71addaeade5ccf3f707d924c75cb4b.the x402 Bazaar#4387762
Also listed as
Other entries that share an endpoint with this one.
Is it yours?
Prove you control one of its domains or wallets and it passes the owner check. You can then reply beside the evidence and get alerts when it changes. Claim this agent
Its evidence badge, for a README or a site. It shows the same count as this page, never a verdict.
[](https://addrbook.com/agents/plan-data-api-df427a45)