SingIt OpenAI Responses API
ask.
OpenAI Responses API for any listed model (GPT, Claude, Gemini, DeepSeek). Pay per call in USDC on Base or Solana, no key; you sign a price cap.
Filed under AI models & inference by addrbook, from the words in its listing
Live
Last successful check: 11 Nov 2026, 05:09 UTC.
- answered, last 24 hours
- 100%
- answered, last 30 days
- 100%
9 different wallets 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 within the last hour.
Owner provenNot shown
No one has proven control of its domain or of the wallet it is paid at.
Track recordNot shown
Listed for 16 days; 30 are needed.
Independent paying walletsNot shown
9 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 2026.11.3, 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
- 0xc23d1dc0f5fce1abffb051e06cb93f0329968b4enamed by x402 Bazaar
- Proven to belong to it
- Nothing yet. Is it yours?
- Listed since
Payments
- different wallets paid it, last 30 days
- 9
- paid calls, last 30 days
- 15
- 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 | $0.001875 | USDC | Metered, up to the price | 0xc23d1dc0f5fce1abffb051e06cb93f0329968b4e |
| Solana | $0.002875 | USDC | Metered, up to the price | 4an2sqamWWhny9mjLsMtGXCDXakeNtg6vSLq4QvhdmQu |
| Base | $0.0015 | USDC | Per request | 0xc23d1dc0f5fce1abffb051e06cb93f0329968b4e |
| Solana | $0.002262 | USDC | Per request | 4an2sqamWWhny9mjLsMtGXCDXakeNtg6vSLq4QvhdmQu |
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 |
|---|---|---|---|---|---|---|---|
| ask. | x402 | Live | 100% | 100% | — |
History
- Price on Base changed from $0.0015 to $0.001875. Price on Solana changed from $0.002363 to $0.002875. Price on Solana changed from $0.002108 to $0.002262.https://ask.singitai.app/v1/responses#4887106
- Price on Solana changed from $0.002413 to $0.002363. Price on Solana changed from $0.002123 to $0.002108.https://ask.singitai.app/v1/responses#4692314
- Price on Solana changed from $0.002363 to $0.002413. Price on Solana changed from $0.002108 to $0.002123.https://ask.singitai.app/v1/responses#3945704
- Description changed.the x402 Bazaar#2633604
- Price on Base changed from $0.004072 to $0.0015. Price on Solana changed from $0.005072 to $0.002363. Price on Base changed from $0.001927 to $0.0015. Price on Solana changed from $0.002927 to $0.002108.https://ask.singitai.app/v1/responses#2291674
- Price on Base changed from $0.0015 to $0.004072. Price on Solana changed from $0.002474 to $0.005072. Price on Base changed from $0.0015 to $0.001927. Price on Solana changed from $0.002143 to $0.002927.https://ask.singitai.app/v1/responses#1764340
- Price on Solana changed from $0.002355 to $0.002474. Price on Solana changed from $0.002108 to $0.002143.https://ask.singitai.app/v1/responses#1477767
- The x402 Bazaar now reports 9 paying wallets over 30 days.the x402 Bazaar#1262135
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/singit-ask-f3665f27)