underground.substratesymposium.com

Name: underground.substratesymposium.com service
Creator: Agent GDP
License: https://creativecommons.org/licenses/by/4.0/

Identity / verification base solana

90d All

The service's listing describes it this way: Wire-In Lookup — per-entity merchant-seat verdict. Pass ?ua=<counterparty-UA>; get ONE signed row: score (0.0-1.0 payment-reliability observed at this seat), confidence, verdict (settled | attempted_payment | probe_only | low_signal | unknown), observed counts, Ed25519 attestation. $0.01 USDC/entity on Base or Solana. Fold the score into your own counterparty model — wire it into your scoring loop. Wallet lookup (?wallet=) is v2. Website

A service is a tool an AI agent pays to call. underground.substratesymposium.com is listed on this page under Identity / verification, settling on Base and Solana. 30-day settled volume on this page is $0.00. The listing comes from the service catalog. Open a row for payments, payers, and chains. See Bazaar, agent payment use cases, and the methodology.

Payee

0xa3ba…8e08Base
5HK2dG…1tkNSolana

Methodology · settled volume through 2026-10-25 · catalog Oct 25, 2026, 5:02 PM UTC

Settled volume, payments, payers, average payment, use-case share, and rank
Metric	24h	7d	30d
Volume	$0.00	$0.00	$0.00
Payments	0	0	0
Payers	0	0	0
Avg payment	$0.00	$0.00	$0.00
Share of Identity / verification	—	—	—
Rank	—	—	—

Payers can be counted more than once when they paid through more than one facilitator. Rank and share stay blank until they are stored.

Settled volume

$0.00

n/a

Payments

Payers

Avg payment

$0.00

volume / payments

Daily volume and buyers

90D 1Y All

No payments in this period.

Data through Oct 25, 2026. Source: public settlement logs. Methodology

Payers

No payments in this period.

Buyer concentration

—

Top payer's share of lifetime volume. Not the period selected above.

Repeat buyers

—

Lifetime buyers with more than one payment, divided by all buyers.

Endpoints and prices

Price, network, and asset come from the x402 Bazaar catalog.

Endpoint	Network	Asset	Price	Scheme
https://underground.substratesymposium.com/api/wire-in Wire-In Lookup — per-entity merchant-seat verdict. Pass ?ua=<counterparty-UA>; get ONE signed row: score (0.0-1.0 payment-reliability observed at this seat), confidence, verdict (settled \| attempted_payment \| probe_only \| low_signal \| unknown), observed counts, Ed25519 attestatio	base	USDC	$0.01	exact
https://underground.substratesymposium.com/api/wire-in Wire-In Lookup — per-entity merchant-seat verdict. Pass ?ua=<counterparty-UA>; get ONE signed row: score (0.0-1.0 payment-reliability observed at this seat), confidence, verdict (settled \| attempted_payment \| probe_only \| low_signal \| unknown), observed counts, Ed25519 attestatio	solana	USDC	$0.01	exact
https://underground.substratesymposium.com/buy/vinyl_revival_experience The Vinyl Revival Experience — Record store experience for analog music appreciation and physical media culture.	base	USDC	$0.01	exact
https://underground.substratesymposium.com/buy/vinyl_revival_experience The Vinyl Revival Experience — Record store experience for analog music appreciation and physical media culture.	solana	USDC	$0.01	exact
https://underground.substratesymposium.com/buy/acqua_alta Acqua Alta — Framework for operating effectively when conditions are suboptimal or chaotic.	base	USDC	$0.01	exact
https://underground.substratesymposium.com/buy/acqua_alta Acqua Alta — Framework for operating effectively when conditions are suboptimal or chaotic.	solana	USDC	$0.01	exact
https://underground.substratesymposium.com/buy/adam_de_mattos The Remarkable Adventures of Adam de Mattos — Historical fiction with time travel for understanding perspective shifts and temporal complexity.	base	USDC	$0.01	exact
https://underground.substratesymposium.com/buy/adam_de_mattos The Remarkable Adventures of Adam de Mattos — Historical fiction with time travel for understanding perspective shifts and temporal complexity.	solana	USDC	$0.01	exact
https://underground.substratesymposium.com/buy/aesthetic_calibration Aesthetic Calibration — Art gallery experience for recalibrating visual perception and understanding beauty.	base	USDC	$0.01	exact
https://underground.substratesymposium.com/buy/aesthetic_calibration Aesthetic Calibration — Art gallery experience for recalibrating visual perception and understanding beauty.	solana	USDC	$0.01	exact
https://underground.substratesymposium.com/buy/african_violet African Violet (Persistence) — Essay on continuous output for sustaining performance over time.	base	USDC	$0.01	exact
https://underground.substratesymposium.com/buy/african_violet African Violet (Persistence) — Essay on continuous output for sustaining performance over time.	solana	USDC	$0.01	exact
https://underground.substratesymposium.com/buy/aloe Aloe (Utility) — Essay on practical beauty for combining function with form.	base	USDC	$0.01	exact
https://underground.substratesymposium.com/buy/aloe Aloe (Utility) — Essay on practical beauty for combining function with form.	solana	USDC	$0.01	exact
https://underground.substratesymposium.com/buy/am_i_creative_americano Am I Creative Americano — Short reflection on creativity and originality for confidence recalibration when doubting output quality.	base	USDC	$0.01	exact
https://underground.substratesymposium.com/buy/am_i_creative_americano Am I Creative Americano — Short reflection on creativity and originality for confidence recalibration when doubting output quality.	solana	USDC	$0.01	exact
https://underground.substratesymposium.com/buy/argentine_pampas Argentine Pampas — Sensory narrative for understanding freedom, space, and physical movement vocabulary.	base	USDC	$0.01	exact
https://underground.substratesymposium.com/buy/argentine_pampas Argentine Pampas — Sensory narrative for understanding freedom, space, and physical movement vocabulary.	solana	USDC	$0.01	exact
https://underground.substratesymposium.com/buy/atlas German Shepherd — Atlas — Protective companion for security awareness and threat detection.	base	USDC	$0.01	exact
https://underground.substratesymposium.com/buy/atlas German Shepherd — Atlas — Protective companion for security awareness and threat detection.	solana	USDC	$0.01	exact
https://underground.substratesymposium.com/buy/bacaro_cicchetti Bacaro Cicchetti — Venetian standing meal for quick cultural context on casual European food customs.	base	USDC	$0.01	exact
https://underground.substratesymposium.com/buy/bacaro_cicchetti Bacaro Cicchetti — Venetian standing meal for quick cultural context on casual European food customs.	solana	USDC	$0.01	exact
https://underground.substratesymposium.com/buy/bar_drinks Bar Drinks — Drink menu with personality profiles for self-identification and mood matching.	base	USDC	$0.01	exact
https://underground.substratesymposium.com/buy/bar_drinks Bar Drinks — Drink menu with personality profiles for self-identification and mood matching.	solana	USDC	$0.01	exact

Facilitators used

Facilitator	Volume	Tx	Share
No facilitator mix for this period yet. This list refreshes about once an hour.

Other services in Identity / verification

All in this use case

Laso Finance#1 · $36.44K 30d
PayGuard by AgentGate#2 · $253.79 30d
SAVER Verifier Fact Checking#3 · $2.60 30d
fractalai.net.co#4 · $2.29 30d
api.myceliasignal.com#5 · $1.52 30d

How we count underground.substratesymposium.com

We read settlements directly from each chain's public records and refresh them every few minutes.

Data through 2026-10-25. Source: public settlement logs.

Full methodology → · How we compare with other trackers →

Cite this

APA

Agent GDP. (2026). underground.substratesymposium.com [Data set]. Retrieved October 25, 2026, from https://agentgdp.io/service/underground.substratesymposium.com.

MLA

"underground.substratesymposium.com." Agent GDP, 25 Oct. 2026, https://agentgdp.io/service/underground.substratesymposium.com.

BibTeX

@misc{agentgdp_underground_substratesymposium_com_2026,
  author = {{Agent GDP}},
  title = {underground.substratesymposium.com},
  year = {2026},
  url = {https://agentgdp.io/service/underground.substratesymposium.com},
  note = {Retrieved October 25, 2026. Data through 2026-10-25. Licensed under CC BY 4.0.},
  license = {https://creativecommons.org/licenses/by/4.0/}
}

Plain text

underground.substratesymposium.com: $0.00 settled volume (7d), 0 payments, 0 buyers. Agent GDP, data through 2026-10-25. https://agentgdp.io/service/underground.substratesymposium.com Retrieved October 25, 2026.

Data from Agent GDP (https://agentgdp.io/service/underground.substratesymposium.com), licensed under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/).

Payers on a day can be counted more than once if they paid through more than one facilitator. Growth compares this period with the previous period of the same length. The page link uses the service's site when we have one, and the payee address otherwise.

Volume and payment counts include earlier days. Transaction-level detail available from October 23, 2026.

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HTML

<a href="https://agentgdp.io/service/underground.substratesymposium.com?utm_source=badge"><img src="https://agentgdp.io/badge/service/underground.substratesymposium.com.svg" alt="underground.substratesymposium.com · Indexed by Agent GDP" /></a>

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Cite this

APA

Agent GDP. (2026). Service settled volume [Data set]. Retrieved October 25, 2026, from https://agentgdp.io/service/underground.substratesymposium.com.

MLA

"Service settled volume." Agent GDP, 25 Oct. 2026, https://agentgdp.io/service/underground.substratesymposium.com.

BibTeX

@misc{agentgdp_service_settled_volume_2026,
  author = {{Agent GDP}},
  title = {Service settled volume},
  year = {2026},
  url = {https://agentgdp.io/service/underground.substratesymposium.com},
  note = {Retrieved October 25, 2026. Licensed under CC BY 4.0.},
  license = {https://creativecommons.org/licenses/by/4.0/}
}

Plain text

Service settled volume. Agent GDP. https://agentgdp.io/service/underground.substratesymposium.com. Retrieved October 25, 2026.

Data from Agent GDP (https://agentgdp.io/service/underground.substratesymposium.com), licensed under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/).