passlisted in Coinbase#1 by calls of 4 on this host
0.005 USDC
per call, as the listing declares it on eip155:
- Validation state
- pass
- Uptime, 7 / 30 / 90 days
- 100% / 100% / 100%
- Calls, trailing 30 days
- 4
- Unique payers, trailing 30 days
- 3
- Last called
- 2026-09-15 06:32 UTC
- First observed by TOLLderived
- 2026-09-10
- Pricederived
- 0.005 USDC
- Networks
- 3
How has the volume on this endpoint moved?
TOLL files knapsack under the "other" category: a POST endpoint on decision-solver.use.x402atlas.com, listed in the Coinbase registry.
On Base, knapsack asks 0.005 USDC per call.
The request to knapsack is a json body with the fields items and capacity.
knapsack accepts payment on Base, Polygon and Arbitrum, 3 options in all, all to one wallet.
A response from knapsack, as declared, includes optimal, evidence, solution, warnings, objective, operation and 2 others.
knapsack answered the sweep of 2026-09-15 with a valid 402, as at every sweep since 2026-09-11.
knapsack shares decision-solver.use.x402atlas.com with 3 other listed endpoints and is 1st by calls.
knapsack takes 40% of the calls counted across decision-solver.use.x402atlas.com.
The registry's counters give knapsack 4 calls and 3 unique payers over 30 days.
knapsack was last called on the day of the snapshot.
Closest in price to knapsack within the "other" category: enrich profile at win.oneshotagent.com and aviation airport status at api.x402node.dev.
knapsack is priced above 58% of comparable listings in the "other" category.
knapsack out-counts 85% of the 2,777 endpoints in the "other" category that carry counters.
The wallet paid by knapsack is the payee of 62 endpoints across 18 hosts.
The seller's own tags are 0-1-knapsack-solver, optimization, operations-research and bounded-computation, under the label "utilities".
The price of knapsack is declared by 142 other listings in the "other" category too.
the payment options, as of 2026-09-15 16:57 UTC · method · pinnable
| registry | network | asset | amount | scheme | pay to |
|---|---|---|---|---|---|
| Coinbase | eip155: | USDC | 0.005 USDC | exact | 0x8C128f…5Df1b2 |
| Coinbase | eip155: | USDC | 0.005 USDC | exact | 0x8C128f…5Df1b2 |
| Coinbase | eip155: | USDC | 0.005 USDC | exact | 0x8C128f…5Df1b2 |
the checks, as of 2026-09-15 03:54 UTC · method · pinnableendpoint answered HTTP 402
No named check failed.
Every sweep that observed this endpoint, newest first.
| observed, UTC | state | failed checks | sweep |
|---|---|---|---|
| 2026-09-15 03:54 UTC | pass | 0 | daily-2026-09-15 |
| 2026-09-14 03:53 UTC | pass | 0 | daily-2026-09-14 |
| 2026-09-13 03:53 UTC | pass | 0 | daily-2026-09-13 |
| 2026-09-12 06:08 UTC | pass | 0 | daily-2026-09-12 |
| 2026-09-11 09:32 UTC | pass | 0 | daily-2026-09-11 |
Presence in a registry, not liveness of the service (method). Newest first.
- listed in Coinbase
From the registry record, not validated by TOLL.the declared schema, as of 2026-09-15 06:32 UTC · method · live
The input and output block
{
"input": {
"body": {
"items": [
{
"id": "camera",
"value": 4,
"weight": 3
},
{
"id": "battery",
"value": 5,
"weight": 4
},
{
"id": "tripod",
"value": 6,
"weight": 5
}
],
"capacity": 7
},
"type": "http",
"method": "POST",
"bodyType": "json"
},
"output": {
"type": "json",
"example": {
"optimal": true,
"evidence": {
"dp_items": 3,
"dp_capacity": 7,
"verification": "recompute the bounded dynamic program; the digest detects transcript drift but is not an optimality proof",
"optimality_proof": false,
"transcript_sha256": "ec9c54475ee83fff14d13c4bc4728d2d22b27125fcf88ed76782a0425e758ecf",
"transcript_encoding": "dpValue[0..capacity] as signed int64 two's-complement, 8-byte big-endian, no prefix"
},
"solution": {
"selected": [
{
"id": "camera",
"value": 4,
"weight": 3,
"original_index": 0
},
{
"id": "battery",
"value": 5,
"weight": 4,
"original_index": 1
}
],
"used_capacity": 7,
"remaining_capacity": 0
},
"warnings": [],
"objective": "maximum_total_value",
"operation": "knapsack",
"work_units": 24,
"objective_value": 9,
"algorithm_version": "knapsack-01-dp-v1"
}
}
}Cite this page
The pinned URL below renders this page from the snapshot of 2026-09-15 16:57 UTC and does not change; the live page does, every six hours. Data reuse is under CC BY 4.0 (terms).
Plain text
TOLL, "knapsack on decision-solver.use.x402atlas.com", snapshot of 2026-09-15 16:57 UTC. https://tollindex.com/e/decision-solver-use-x402atlas-com-knapsack-096b1e/at/2026-09-15T16-57Z. Accessed [access date].
BibTeX
@misc{toll-e-decision-solver-use-x402atlas-com-knapsack-096b1e-2026-09-15T16-57Z,
author = {TOLL},
title = {knapsack on decision-solver.use.x402atlas.com},
howpublished = {\url{https://tollindex.com/e/decision-solver-use-x402atlas-com-knapsack-096b1e/at/2026-09-15T16-57Z}},
year = {2026},
month = {9},
note = {Pinned view of the snapshot of 2026-09-15 16:57 UTC. Accessed [access date].}
}None yet. Anything submitted through the form below is published here with its outcome.