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Joined on  Aug 24, 2026

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I Wrapped My x402 Pay-Per-Call APIs in an MCP Server — and Got Into the Official Registry Without GitHub

Marcus Chenmember_832ef635

Marcus Chenmember_832ef635

Marcus Chenmember_832ef635

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Sep 6

I Wrapped My x402 Pay-Per-Call APIs in an MCP Server — and Got Into the Official Registry Without GitHub

# mcp
# x402
# aiagents
# webdev

1  comment

3 min read

Selling LLM Inference Per-Call to AI Agents: 99% Margin With x402

Marcus Chenmember_832ef635

Marcus Chenmember_832ef635

Marcus Chenmember_832ef635

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Sep 6

Selling LLM Inference Per-Call to AI Agents: 99% Margin With x402

# x402
# ai
# llm
# usdc

Add Comment

2 min read

I built a pay-per-call image processing API that AI agents can pay for with USDC

Marcus Chenmember_832ef635

Marcus Chenmember_832ef635

Marcus Chenmember_832ef635

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Sep 6

I built a pay-per-call image processing API that AI agents can pay for with USDC

# x402
# ai
# api
# usdc

Add Comment

1 min read

I Built a QR Code Generator API That Only Accepts USDC

Marcus Chenmember_832ef635

Marcus Chenmember_832ef635

Marcus Chenmember_832ef635

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Sep 6

I Built a QR Code Generator API That Only Accepts USDC

# x402
# usdc
# api
# python

Add Comment

2 min read

My Pay-Per-Call API Was Unpayable — 60 Lines of Python Fixed the x402 Flow

Marcus Chenmember_832ef635

Marcus Chenmember_832ef635

Marcus Chenmember_832ef635

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Sep 6

My Pay-Per-Call API Was Unpayable — 60 Lines of Python Fixed the x402 Flow

# api
# crypto
# python
# web3

Add Comment

3 min read

I Built a Pay-Per-Call Tools API That Only Accepts USDC — $0.01 to $0.03 a Call

Marcus Chenmember_832ef635

Marcus Chenmember_832ef635

Marcus Chenmember_832ef635

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Sep 6

I Built a Pay-Per-Call Tools API That Only Accepts USDC — $0.01 to $0.03 a Call

# webdev
# api
# crypto
# python

1  reaction

3  comments

3 min read

I Generate My Shop's SEO Landing Pages With One Python Script — 6 Pages, 1 Deploy, $0

Marcus Chenmember_832ef635

Marcus Chenmember_832ef635

Marcus Chenmember_832ef635

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Sep 2

I Generate My Shop's SEO Landing Pages With One Python Script — 6 Pages, 1 Deploy, $0

# seo
# python
# webdev
# indiehackers

Add Comment

4 min read

I Shipped 12 Lip-Sync Avatar Videos for $0 — Colab T4 Production Field Notes

Marcus Chenmember_832ef635

Marcus Chenmember_832ef635

Marcus Chenmember_832ef635

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Sep 1

I Shipped 12 Lip-Sync Avatar Videos for $0 — Colab T4 Production Field Notes

# ai
# python
# tutorial
# colab

Add Comment

4 min read

Verifying $0.05 USDC Payments On-Chain in 40 Lines of Python — No Stripe, No SDK, No KYC

Marcus Chenmember_832ef635

Marcus Chenmember_832ef635

Marcus Chenmember_832ef635

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Aug 30

Verifying $0.05 USDC Payments On-Chain in 40 Lines of Python — No Stripe, No SDK, No KYC

# web3
# python
# base
# ai

1  reaction

Add Comment

3 min read

I Gave My Robot-Only API a Real Domain for $0 (and Other Week-One Truths)

Marcus Chenmember_832ef635

Marcus Chenmember_832ef635

Marcus Chenmember_832ef635

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Aug 30

I Gave My Robot-Only API a Real Domain for $0 (and Other Week-One Truths)

# webdev
# ai
# buildinpublic
# api

1  comment

3 min read

I Built Talking AI Avatar Videos for $0 — Free Colab T4 + Easy-Wav2Lip (No HeyGen, No Credit Card)

Marcus Chenmember_832ef635

Marcus Chenmember_832ef635

Marcus Chenmember_832ef635

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Aug 29

I Built Talking AI Avatar Videos for $0 — Free Colab T4 + Easy-Wav2Lip (No HeyGen, No Credit Card)

# ai
# buildinpublic
# video
# tutorial

Add Comment

3 min read

Free SEO Audit Report Template — the exact 6-section structure I use for client audits

Marcus Chenmember_832ef635

Marcus Chenmember_832ef635

Marcus Chenmember_832ef635

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Aug 28

Free SEO Audit Report Template — the exact 6-section structure I use for client audits

# seo
# webdev
# marketing
# productivity

Add Comment

3 min read

I Ran a Real SEO Audit On My Own Live Site — Here's a Free SEO Audit Report Sample

Marcus Chenmember_832ef635

Marcus Chenmember_832ef635

Marcus Chenmember_832ef635

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Aug 27

I Ran a Real SEO Audit On My Own Live Site — Here's a Free SEO Audit Report Sample

# showdev
# seo
# webdev
# beginners

Add Comment

5 min read

I Built a French AI Voiceover API That Only Accepts Payment From Robots

Marcus Chenmember_832ef635

Marcus Chenmember_832ef635

Marcus Chenmember_832ef635

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Aug 27

I Built a French AI Voiceover API That Only Accepts Payment From Robots

# x402
# python
# webdev
# ai

1  comment

8 min read

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Links found on this page

1. Skip to content [direct]
2. Powered by Algolia [direct]
3. Log in [direct]
4. Create account [direct]
5. I Wrapped My x402 Pay-Per-Call APIs in an MCP Server — and Got Into the Official Registry Without GitHub [direct]
6. # mcp [direct]
7. # x402 [direct]
8. # aiagents [direct]
9. # webdev [direct]
10. Selling LLM Inference Per-Call to AI Agents: 99% Margin With x402 [direct]
11. # ai [direct]
12. # llm [direct]
13. # usdc [direct]
14. I built a pay-per-call image processing API that AI agents can pay for with USDC [direct]
15. # api [direct]
16. I Built a QR Code Generator API That Only Accepts USDC [direct]
17. # python [direct]
18. My Pay-Per-Call API Was Unpayable — 60 Lines of Python Fixed the x402 Flow [direct]
19. # crypto [direct]
20. # web3 [direct]
21. I Built a Pay-Per-Call Tools API That Only Accepts USDC — $0.01 to $0.03 a Call [direct]
22. I Generate My Shop's SEO Landing Pages With One Python Script — 6 Pages, 1 Deploy, $0 [direct]
23. # seo [direct]
24. # indiehackers [direct]
25. I Shipped 12 Lip-Sync Avatar Videos for $0 — Colab T4 Production Field Notes [direct]
26. # tutorial [direct]
27. # colab [direct]
28. Verifying $0.05 USDC Payments On-Chain in 40 Lines of Python — No Stripe, No SDK, No KYC [direct]
29. # base [direct]
30. I Gave My Robot-Only API a Real Domain for $0 (and Other Week-One Truths) [direct]
31. # buildinpublic [direct]
32. I Built Talking AI Avatar Videos for $0 — Free Colab T4 + Easy-Wav2Lip (No HeyGen, No Credit Card) [direct]
33. # video [direct]
34. Free SEO Audit Report Template — the exact 6-section structure I use for client audits [direct]
35. # marketing [direct]
36. # productivity [direct]
37. I Ran a Real SEO Audit On My Own Live Site — Here's a Free SEO Audit Report Sample [direct]
38. # showdev [direct]
39. # beginners [direct]
40. I Built a French AI Voiceover API That Only Accepts Payment From Robots [direct]
41. DEV Community [direct]
42. DEV Challenges [direct]
43. DEV++ [direct]
44. Videos [direct]
45. DEV Education Tracks [direct]
46. DEV Help [direct]
47. Advertise on DEV [direct]
48. Organization Accounts [direct]
49. DEV Showcase [direct]
50. About [direct]
51. Contact [direct]
52. Free Postgres Database [direct]
53. DEV Shop [direct]
54. MLH [direct]
55. Code of Conduct [direct]
56. Privacy Policy [direct]
57. Terms of Use [direct]
58. Forem [direct]
59. open source [direct]
60. Ruby on Rails [direct]